Electric heating elements are used wherever heat needs to be generated or precisely and efficiently dissipated. They are an indispensable component of modern industrial and manufacturing processes – from mechanical and plant engineering to building technology, as well as the food and packaging industry, plastics processing, and the medical, energy, and electrical engineering sectors. Everywhere, they ensure reliable temperature and energy control, guarantee stable process conditions, and contribute significantly to quality, efficiency, and process safety.
The KRAH Group offers a wide range of electric heating elements and customized heating solutions. Whether as a single component or a complete assembly, we develop products that meet the highest standards of efficiency, reliability, and service life. Our heating elements are used both for heat generation and for the controlled conversion and dissipation of electrical energy, for example in heating applications or as damping or braking resistors. Together with our customers, we create tailored solutions for industrial processes, equipment, and systems worldwide.
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Applications
Industry
E-Mobility
Automotive
Product Groups
Power Resistors
Electronic Controllers

RXDG
High-voltage auxiliary heater for integration into the cooling circuit & temperature control of the passenger compartment
RXDG - High-voltage auxiliary heater for integration into the cooling circuit & temperature control of the passenger compartment. Technical data & application areas here.
#High-Voltage-Coolant-Heater #E-Mobility #High-Voltage-Coolant-Heater #Liquid-cooled #Heating-Elements

RXDG-F
High-voltage heater for integration into the cooling circuit and temperature control of the passenger compartment and battery.
#High-Voltage-Coolant-Heater #E-Mobility #High-Voltage-Coolant-Heater #Heating-Elements

RXDG-S
High-voltage auxiliary heater for integration into the cooling circuit and temperature control of the passenger compartment and battery.
#High-Voltage-Coolant-Heater #E-Mobility #High-Voltage-Coolant-Heater #Heating-Elements

RXDG-F
Contour-following, meandering tool heating
technical dataresistance range min
1,5 Ω
rated power max
3600 W
resistance range max
480 Ω
Voltage max
500 V
pipe diameter
6,5 / 8,0 / 8,5 / 10,0 / 12,0 / 14,0 mm
Connection type
Bolts, threads, strands, flat connectors
#Industry #Heating-Elements

RXDG-S
Larger surface area thanks to the helical design. Compact construction with high performance; mechanically stable and vibration-resistant.
technical dataresistance range min
1,5 Ω
rated power max
3600 W
resistance range max
480 Ω
Voltage max
500 V
pipe diameter
6,5 7 8,0 / 8,5 / 10,0 / 12,0 / 14,0 mm
Connection type
Bolts, threads, strands, flat connectors
#Industry #Heating-Elements

RXDG-L
Ribbed radiator for increased surface radiation. Typically used for heating air, in air heaters, air conditioning systems, etc.
technical dataresistance range min
1,5 Ω
rated power max
3600 W
resistance range max
480 Ω
Voltage max
500 V
pipe diameter
6,5 / 8,0 / 8,5 / 10,0 / 12,0 / 14,0 mm
Connection type
Bolts, threads, strands, flat connectors
#Industry #Heating-Elements

RXDG-F
Contour-following, meandering tool heating
technical dataresistance range min
1,5 Ω
rated power max
3600 W
resistance range max
480 Ω
Voltage max
500 V
pipe diameter
6,5 / 8,0 / 8,5 / 10,0 / 12,0 / 14,0 mm
Connection type
Bolts, threads, strands, flat connectors
#Industry #Heating-Elements

RXDG-F
Contour-following, meandering tool heating
technical dataresistance range min
1,5 Ω
rated power max
3600 W
resistance range max
480 Ω
Voltage max
500 V
pipe diameter
6,5 / 8,0 / 8,5 / 10,0 / 12,0 / 14,0 mm
Connection type
Bolts, threads, strands, flat connectors
#Industry #Heating-Elements

SWCH-C
Coiled tube cartridge with thermocouple integrated into the brass turned part. Typically used for nozzle heating in plastic injection molding tools.
technical dataVoltage max
220 V - 240 V
resistance range min
100 Ω
resistance range max
440 Ω
#Industry #Mechanical-Engineering #Heating-Elements

SWCH-O
Classic spiral tube cartridge. Typically used for nozzle heating in plastic injection molding tools.
technical dataVoltage max
220 V - 240 V
resistance range min
36 Ω
resistance range max
240 Ω
#Industry #Mechanical-Engineering #Heating-Elements

STCH
Heating element applications, such as tool heating, plastics processing, packaging machinery, and medical devices
#Industry #Mechanical-Engineering #Heating-Elements