Screw compressors

HKR2500AD Hydraulic screw compressor unit with 2,500 L/min air output from DynasetThe HKR2500 screw compressor delivers a constant compressed air supply of 2,500 L/min at 7 bar and reaches a maximum pressure of 10 bar (145 PSI) - ideal for mobile applications with high air requirements. Whether on construction sites, in municipal vehicles or in mobile workshops: The HKR2500 impresses with its compact design, high efficiency and reliable performance.The automatic speed control, the integrated air pressure control with pressure relief and the integrated pressure gauge ensure optimum control and operational safety. The hydraulic output range is 27-100 l/min at max. 245 bar, nominal 37-67 l/min at 175-225 bar - perfectly matched for machines with medium to high hydraulic pressure.In the HKR2500AD version, the HKR2500 is supplied in a weatherproof housing that allows it to be mounted on a loading platform . All necessary components are installed in the housing.An oil cooler is already integrated in the housing.Equipped in this way, the HKR2500AD unit is primarily designed for installation on the loading area and is the ideal solution for work vehicles, pick-ups and service vans, making it perfect for pneumatic applications in the field.Typical applications:Attachments for construction, agricultural and municipal machinery and hydraulic systems for commercial vehicles up to 7.5 tonnesKW Hydraulik - your partner for mobile high-performance compressed air systems.All connections of the HKR hydraulic compressor are located on the same side of the device. Seen from the left-hand side, the air outlet (PA) comes first, followed by the electrical cable entry, the load sensing line (LS) and finally the hydraulic pressure line and the return line on the right-hand side of the unit.What's in the box? Let's talk about the technical data.The HKR-AD screw compressor units are available for 12 and 24 volt systems.The uniqueness of this compressor series lies in its extreme performance. The HKR2500-AD delivers up to 88 CFM of air at 145 PSI, all in a compact unit.An important feature is that you can perfectly customise the air output of the compressor to your needs by controlling the hydraulic flow. In addition, the unit has a speed control cartridge that allows the user to exceed the hydraulic oil flow by up to 50% of the rated value, thus protecting the compressor.The HKR Hydraulic Above Deck compressor has an integrated hydraulic oil coolerwhich ensures optimum performance even in continuous, demanding applications. The housing is designed to withstand harsh conditions through the use of robust covers and frame construction. This robust construction ensures a long service life without compromise.Maintenance of the HKR hydraulic screw compressor is effortless. At its heart is the reliable DYNASET HKR hydraulic screw compressor, which requires minimal maintenance. The unit is designed so that the user has easy access to all main components.Easy installation and low maintenanceInstalling the HKR compressor for installation on the loading area is very simple:Choose the installation location on your lorry.Bolt the device to the integrated mounting frame and the lifting points - no dismantling required.Connect the hydraulic hoses (pressure and return) and plug in the electrical control cable.Connect the air hose to the air outlet.Technical dataEffective flow rate: 2,500 l/min at 7 bar (87 PSI), 7-10 bar (145 PSI) Oil volume: 27-100 L/min at max. 245 barNominal: 37-67 L/min at 175-225 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

EKR2500 - Electric screw compressor with 2,500 l/min compressed air output from DynasetThe DYNASET EKR electric screw compressor converts the electrical energy of a mobile machine, vehicle or ship into compressed air.The EKR electric screw compressor is the ideal solution for anyone looking for a powerful, machine-integrated, electrically driven compressor for continuous use. This compact and robust device is specially designed for demanding 24/7 operation and is therefore ideal for pneumatic applications in electric mining machines, drilling rigs, agricultural machinery, construction machinery and maintenance vehicles. Seamlessly integrated into the machine, it utilises the existing battery as a power source and eliminates the need for a separate motor or inverter.Technical dataCompressorCompressed air delivery rate: 2,500 litres/min at max. 10 barPower consumptionVoltage, nominal: 400 volts (VDC)Voltage range: 400-700 volts (VDC)Max. current at 400 V: 61 AMax. Current at 700 V: 34 AProtection class: IP65Cooling systemWater/glycol: 50/50Coolant flow rate: 30 l/min at 2 barCooling input temperature, max.: 50°Cooling power requirement*: 17 kWDimensions and weightDimensions: 783x670x576 mm (LxWxH)Weight: 185 kgKey benefits and featuresCompact device for demanding 24/7 continuous operationIdeal for a wide range of pneumatic applications, including mining, drilling, construction and agricultureEasy to operate and quick to install on machines or vehiclesIntegrated directly into the machine so it is always on board and ready for useLow maintenance requirements reduce downtime and operating costsGenerates an air flow of 2,500 l/min to 4,000 l/minDelivers an air pressure of up to 10 bar (145 psi)Compatible with 400 V and 600 V systemsThe compact and robust structure ensures durability in difficult conditionsExcellent power to size ratio, maximising efficiencyOptional extras are available, including a hose reel for convenient operation and high-performance cyclone intake air filters for extreme conditionsHow does the electric screw compressor work?The electric compressor is integrated into the electrical and cooling systems of a machine, vehicle or ship.The electricity from the battery is fed to the integrated electric motor of the electric compressor.The electric motor drives the compressor and generates compressed air.The cooling system of the machine, vehicle or ship keeps the compressor at the optimum operating temperature.The electric screw compressor can work around the clock as long as the battery is sufficiently charged.

EKR4000 - Electric screw compressor with 4,000 l/min compressed air output from DynasetThe DYNASET EKR electric screw compressor converts the electrical energy of a mobile machine, vehicle or ship into compressed air.The EKR electric screw compressor is the ideal solution for anyone looking for a powerful, machine-integrated, electrically driven compressor for continuous use. This compact and robust device is specially designed for demanding 24/7 operation and is therefore ideal for pneumatic applications in electric mining machines, drilling rigs, agricultural machinery, construction machinery and maintenance vehicles. Seamlessly integrated into the machine, it utilises the existing battery as a power source and eliminates the need for a separate motor or inverter.Technical dataCompressorCompressed air delivery rate: 4,000 litres/min at max. 10 barPower consumptionVoltage, nominal: 400 volts (VDC)Voltage range: 400-700 volts (VDC)Max. current at 400 V: 86 AMax. Current at 700 V: 50 AProtection class: IP65Cooling systemWater/glycol: 50/50Coolant flow rate: 35 l/min at 2 barCooling input temperature, max.: 45°Cooling power requirement*: 25 kWDimensions and weightDimensions: 783x670x576 mm (LxWxH)Weight: 185 kgKey benefits and featuresCompact device for demanding 24/7 continuous operationIdeal for a wide range of pneumatic applications, including mining, drilling, construction and agricultureEasy to operate and quick to install on machines or vehiclesIntegrated directly into the machine so it is always on board and ready for useLow maintenance requirements reduce downtime and operating costsGenerates an air flow of 2,500 l/min to 4,000 l/minDelivers an air pressure of up to 10 bar (145 psi)Compatible with 400 V and 600 V systemsThe compact and robust structure ensures durability in difficult conditionsExcellent power to size ratio, maximising efficiencyOptional extras are available, including a hose reel for convenient operation and high-performance cyclone intake air filters for extreme conditionsHow does the electric screw compressor work?The electric compressor is integrated into the electrical and cooling systems of a machine, vehicle or ship.The electricity from the battery is fed to the integrated electric motor of the electric compressor.The electric motor drives the compressor and generates compressed air.The cooling system of the machine, vehicle or ship keeps the compressor at the optimum operating temperature.The electric screw compressor can work around the clock as long as the battery is sufficiently charged.

HKR11000 - Hydraulic screw compressor with a delivery rate of 11,000 l/min from Dynaset The HKR11000 is a powerful, hydraulically driven screw compressor for the highest compressed air requirements in mobile applications. With an effective delivery rate of 11,000 l/min at 6 bar and a maximum pressure of 10 bar (145 PSI), this compressor delivers constant compressed air - ideal for use in construction and municipal machinery as well as commercial vehicles with high performance requirements. Thanks to automatic speed control, integrated air pressure control with pressure relief and pressure gauge for pressure monitoring, the HKR11000 offers maximum control with consistently high efficiency. With a hydraulic requirement of 184 l/min at 345 bar (nominal) and a working range of 115-190 l/min at up to 380 bar, it is designed for extreme conditions. Typical areas of application are Attachments for construction, agricultural and municipal machinery as well as hydraulics for commercial vehicles up to 7.5 tonnes. KW Hydraulik - your solution for maximum compressed air performance in mobile applications. Effective flow rate: 11,000 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 115-190 L/min at max. 380 barNominal: 184 L/min at 345 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR11000 - Hydraulic screw compressor with 11,000 l/min delivery rate from Dynaset The HKR11000 screw compressor from Dynaset is the ideal solution for mobile applications with high compressed air requirements. With an effective flow rate of 11,000 L/min at 6 bar and a maximum pressure of 10 bar (145 PSI), it delivers reliable performance under the toughest conditions. Equipped with automatic speed control, integrated air pressure control with pressure relief and pressure gauge, the HKR11000 offers maximum efficiency and control during operation. The hydraulic power requirement is nominally 270 l/min at 230 bar, with a working range of 165-275 l/min at up to 380 bar - ideal for power-intensive applications. Typical applications can be found in the following areas Attachments for construction, agricultural and municipal machinery as well as hydraulics for commercial vehicles up to 7.5 tonnes. KW Hydraulik - your partner for mobile high-performance compressed air systems with hydraulic drive. Effective flow rate: 11,000 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 165-275 L/min at max. 380 barNominal: 270 L/min at 230 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR1300 - Compact screw compressor with 1,300 L/min compressed air output from Dynaset The HKR1300 is a powerful, hydraulically driven screw compressor with an effective delivery rate of 1,300 l/min at 6 bar and a maximum pressure of 10 bar (145 PSI). It is ideal for mobile compressed air applications where continuous supply, efficiency and compact design are required. With automatic speed control, integrated air pressure control with pressure relief and pressure gauge, the HKR1300 offers a high degree of operational reliability and performance control. The hydraulic output range is 27-40 l/min up to max. 230 bar, nominally 37 l/min at 205 bar - ideal for flexible installation in vehicles or machines. Typical areas of application are Attachments for construction, agricultural and municipal machinery as well as hydraulic systems for commercial vehicles up to 7.5 tonnes. KW Hydraulik - your address for mobile compressed air solutions with system. Effective flow rate: 1,300 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 27-40 L/min at max. 230 barNominal: 37 L/min at 205 barAutomatic speed control Air pressure control with pressure relief Pressure gauge

HKR2000 - Hydraulic screw compressor with 2,000 l/min compressed air output from Dynaset The HKR2000 screw compressor is the ideal solution for continuous mobile use where a constant supply of compressed air and high efficiency are required. With an effective delivery rate of 2,000 L/min at 6 bar and a maximum pressure of 10 bar (145 PSI), it is ideally suited for professional applications in construction, industry and municipal technology. Equipped with automatic speed control, an integrated air pressure control with pressure relief and a pressure gauge, the HKR2000 guarantees safe and powerful operation under changing load conditions. The hydraulic power range is 30-55 l/min at 230 bar, nominally 53 l/min at 205 bar - ideal for machines with medium to high power requirements. Typical areas of application: Attachments for construction, agricultural and municipal machinery as well as hydraulic solutions for commercial vehicles up to 7.5 tonnes. KW Hydraulik - Your specialist for powerful, hydraulically operated compressed air systems. Effective flow rate: 2,000 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 30-55 L/min at 230 barNominal: 53 L/min at 205 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR2000 - Compact screw compressor with 2,000 l/min at up to 13 bar from Dynaset The HKR2000 is a powerful, hydraulically driven screw compressor specially designed for mobile use under high loads. With an effective compressed air output of 2,000 l/min at 6 bar and a maximum pressure of 13 bar (189 PSI), it is ideal for tools and applications with increased pressure requirements - for example in civil engineering, on municipal vehicles or in mobile maintenance. Equipped with automatic speed control, air pressure control with pressure relief and an integrated pressure gauge, the HKR2000 ensures safe and efficient operation. The hydraulic power requirement is 30-68 l/min at 210 bar, nominally 53 l/min at 210 bar - ideal for vehicles and machines with medium to high hydraulic potential. Typical areas of application are Attachments for construction, agricultural and municipal machinery and hydraulic solutions for commercial vehicles up to 7.5 tonnes. KW Hydraulik - your expert for mobile screw compressors with a high power reserve. Effective flow rate: 2,000 l/min at 6 bar (87 PSI), max. 13 bar (145 PSI) Oil volume: 30-68 L/min at 210 barNominal: 53 L/min at 210 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR2500 - Hydraulic screw compressor with 2,500 L/min air output from Dynaset The HKR2500 screw compressor delivers a constant compressed air supply of 2,500 l/min at 6 bar and reaches a maximum pressure of 10 bar (145 PSI) - ideal for mobile applications with high air requirements. Whether on construction sites, in municipal vehicles or in mobile workshops: The HKR2500 impresses with its compact design, high efficiency and reliable performance. The automatic speed control, the integrated air pressure control with pressure relief and the integrated pressure gauge ensure optimum control and operational safety. The hydraulic output range is 35-80 l/min at 230 bar, nominally 67 l/min at 205 bar - perfectly matched for machines with medium to high hydraulic pressure. Typical areas of application: Attachments for construction, agricultural and municipal machinery and hydraulic systems for commercial vehicles up to 7.5 tonnes KW Hydraulik - Your partner for mobile high-performance compressed air systems. Effective flow rate: 2,500 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 35-80 L/min at 230 barNominal: 67 L/min at 205 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR4000 - Hydraulically driven screw compressor with 4,000 l/min air output from Dynaset The HKR4000 screw compressor has been specially developed for continuous mobile use under high loads. With an effective delivery rate of 4,000 L/min at 6 bar and a maximum pressure of 10 bar (145 PSI), it offers a reliable compressed air supply for power-intensive tools and machines - e.g. in the construction industry, on municipal vehicles or in mobile maintenance applications. The automatic speed control, an air pressure control with pressure relief and the integrated pressure gauge ensure maximum operational safety and efficient power control. The hydraulic power requirement is 55-105 l/min at 230 bar, nominally 104 l/min at 215 bar - ideal for powerful hydraulic systems. Typical areas of application: Attachments for construction, agricultural and municipal machinery as well as hydraulic solutions for commercial vehicles up to 7.5 tonnes KW Hydraulik - your system partner for powerful, mobile compressed air technology. Effective flow rate: 4,000 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI)Oil volume: 55-105 L/min at 230 barNominal: 104 L/min at 215 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR4000 - High-pressure screw compressor with 4,000 l/min and up to 13 bar from Dynaset The HKR4000 is a powerful, hydraulically driven screw compressor specially designed for mobile applications with high air and pressure requirements. With a delivery rate of 4,000 l/min at 6 bar and a maximum pressure of 13 bar (189 PSI), this compressor is the perfect solution for demanding tasks in the construction industry, on municipal vehicles or on mobile service machines. Thanks to automatic speed control, integrated air pressure control with pressure relief and a pressure gauge, the HKR4000 offers maximum operational reliability, efficient control and a long service life. The hydraulic output range is 55-125 l/min at up to 230 bar, nominally 125 l/min at 220 bar - ideal for powerful hydraulic systems. Typical areas of application: Attachments for construction, agricultural and municipal machinery as well as hydraulics for commercial vehicles up to 7.5 tonnes KW Hydraulik - your partner for mobile compressed air technology with high performance and system expertise. Effective flow rate: 4,000 l/min at 6 bar (87 PSI), max. 13 bar (189 PSI)Oil volume: 55-125 L/min at max. 230 barNominal: 125 L/min at 220 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR500 - Compact screw compressor with 500 L/min compressed air output from Dynaset The HKR500 screw compressor is the ideal choice for applications with limited installation space and moderate air requirements. With an effective flow rate of 500 L/min at 6 bar and a maximum pressure of 10 bar (145 PSI), it offers a reliable compressed air supply for tools and machines in mobile use - for example on commercial vehicles, in municipal vehicles or on small construction machines. Equipped with automatic speed control, integrated air pressure control with pressure relief and a pressure gauge, the HKR500 ensures efficient and controlled operation. The hydraulic power requirement is 19-30 l/min at up to 230 bar, nominally 29 l/min at 123 bar - ideal for smaller hydraulic systems with precise compressed air requirements. Typical fields of application: Attachments for construction, agricultural and municipal machinery and hydraulics for commercial vehicles up to 7.5 tonnes KW Hydraulik - your address for compact, powerful screw compressors with hydraulic drive. Effective flow rate: 500 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 19-30 L/min at max. 230 barNominal: 29 L/min at 123 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR5000 - High-performance screw compressor with 5,000 l/min compressed air supply from Dynaset The HKR5000 screw compressor is the ideal solution for mobile applications with high air requirements and long operating times. With an effective delivery rate of 5,000 L/min at 6 bar and a maximum pressure of 10 bar (145 PSI), this model impresses with its efficiency, robustness and continuous compressed air supply - ideal for applications in construction, utility vehicles or the municipal sector. The automatic speed control, integrated air pressure control with pressure relief and pressure gauge ensure a stable and safe working environment. The hydraulic output range is 60-140 l/min at 230 bar, nominally 137 l/min at 210 bar - perfect for machines with high hydraulic output. Typical areas of application: Attachments for construction, agricultural and municipal machinery as well as hydraulic solutions for commercial vehicles up to 7.5 tonnes KW Hydraulik - your system provider for powerful, mobile compressed air solutions. Effective flow rate: 5,000 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 60-140 L/min at 230 barNominal: 137 L/min at 210 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR600 - Compact high-pressure screw compressor with 600 l/min at up to 15 bar from Dynaset The HKR600 is a compact, hydraulically driven screw compressor for applications that require high pressure values with a limited air volume. With a delivery rate of 600 l/min and a maximum pressure of 15 bar (218 PSI), it is ideal for use on small construction vehicles, municipal machines or mobile workshop solutions. Equipped with automatic speed control, air pressure regulation with pressure relief and pressure gauge, the HKR600 ensures efficient and controlled compressed air supply. The hydraulic output range is 16-30 l/min at up to 230 bar, nominally 26 l/min at 195 bar - ideal for vehicles with compact hydraulic systems and limited energy budgets. Typical fields of application: Attachments for construction, agricultural and municipal machinery and hydraulic solutions for commercial vehicles up to 7.5 tonnes KW Hydraulik - Your specialist for compact high-pressure compressor solutions with hydraulic drive. Effective flow rate: 600 l/min. at max. 15 bar (218 PSI)Oil volume: 16-30 L/min at max. 230 barNominal: 26 L/min at 195 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR6500 - Hydraulically driven screw compressor with 6,500 l/min and up to 13 bar from Dynaset The HKR6500 screw compressor is the perfect solution for applications with high air requirements and increased pressure levels. With an effective delivery rate of 6,500 L/min at 6 bar and a maximum pressure of 13 bar (189 PSI), this model delivers constant compressed air for power-intensive tools - e.g. on large construction vehicles, utility vehicles or mobile workshop units. Thanks to automatic speed control, integrated air pressure control with pressure relief and pressure gauge, the HKR6500 guarantees precise control and safe operation - even under continuous load. The hydraulic output range is 70-195 L/min at 230 bar, nominally 183 L/min at 230 bar - ideal for powerful hydraulic systems with constant volume flow. Areas of application: Attachments for construction, agricultural and municipal machinery as well as hydraulics for commercial vehicles up to 7.5 tonnes KW Hydraulik - your partner for mobile high-pressure compressed air systems with maximum performance. Effective flow rate: 6,500 l/min at 6 bar (87 PSI), max. 13 bar (189 PSI) Oil volume: 70-195 L/min at 230 barNominal: 183 L/min at 230 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR7500 - Hydraulic screw compressor with 7,500 L/min for heavy-duty continuous use from Dynaset The HKR7500 screw compressor offers a powerful compressed air supply with a delivery rate of 7,500 L/min at 6 bar and a maximum pressure of 10 bar (145 PSI) - ideal for mobile use in construction and municipal technology as well as in specialised service vehicles. It was developed for continuous operation under high loads and fulfils even the most demanding requirements in terms of air volume and operational safety. Equipped with automatic speed control, air pressure control with pressure relief and integrated pressure gauge, the HKR7500 offers intelligent control and reliable compressed air supply. The hydraulic power requirement is 70-200 L/min at 270 bar, nominally 183 L/min at 230 bar - ideal for powerful hydraulic systems. Typical areas of application: Attachments for construction, agricultural and municipal machinery as well as hydraulic solutions for commercial vehicles up to 7.5 tonnes KW Hydraulik - your partner for mobile screw compressors with maximum efficiency. Effective flow rate: 7,500 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 70-200 L/min at 270 barNominal: 183 L/min at 230 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

HKR800 - Compact screw compressor with 800 L/min compressed air output from Dynaset The HKR800 screw compressor is a compact and reliable solution for mobile applications with medium air requirements. With a delivery rate of 800 l/min at 6 bar and a maximum pressure of 10 bar (145 PSI), it is ideal for installation in commercial vehicles, municipal technology and compact construction machinery. Equipped with automatic speed control, integrated air pressure control with pressure relief and a pressure gauge, the HKR800 offers efficient control, protection and operational reliability. The hydraulic output range is 21-45 L/min at up to 230 bar, nominally 43 L/min at 135 bar - ideal for vehicles with limited hydraulic volume but constant compressed air requirements. Typical areas of application: Attachments for construction, agricultural and municipal machinery as well as hydraulic solutions for commercial vehicles up to 7.5 tonnes KW Hydraulik - Your specialist for compact, mobile compressed air systems with hydraulic drive. Effective flow rate: 800 l/min at 6 bar (87 PSI), max. 10 bar (145 PSI) Oil volume: 21-45 L/min max. 230 barNominal: 43 L/min at 135 barAutomatic speed controlAir pressure control with pressure reliefPressure gauge

Compact screw compressor from Rotair The Rotair screw compressor is a fully equipped, hydraulically driven high-performance screw compressor that has been specially developed for mobile use on excavators and work machines. With compact dimensions, robust construction and intelligent cooling, it is ideal for tools that require a reliable and constant air supply. The compressor is customised to the respective carrier device and therefore guarantees optimum integration and performance - even under extreme environmental conditions from -15 °C to +45 °C. Thanks to the direct motor-air coupling, hydraulic bypass for cold start operation, efficient electric fan with high-performance cooler and automatic safety shutdown in the event of overtemperature, the screw compressor is ideally equipped for tough continuous operation. All service points are easily accessible, which simplifies maintenance and reduces downtime. Ideal for construction companies, municipal technology and mobile service teams. Available in versions with pressure ranges from 7 to 15 bar and air capacities from 1,000 to 7,000 l/min - individually configurable. KW Hydraulik - your contact for robust, ready-to-connect screw compressors for mobile use. High-performance compressor with hydraulic motor and compact dimensions that can be easily attached to excavators or work machines wherever high-quality compressed air is required.Adapted to the specific excavator model and performance, for customised use depending on the application and tool.Suitable for operation in extreme environmental conditions: Working range between 15 °C (+ 5° F) and +45 °C (+113°F)Easily accessible service pointsDirect motor/air couplingBypass device on the compressor's hydraulic line to ensure the best performance even at low temperatures.An electric fan and a large radiator ensure efficient coolingSafety shutdown at high working temperatures.