Crankcase heaters for Bizer 4H 4G 6G 6H 6F
Crankcase heaters are mainly used in new refrigeration semi-hermetic compressors and remanufactured semi-hermetic compressors. The crankcase heaters can match with Bitzer type of compressor S6F,S6H,S6G,4TCS,6F,6G,4FC,6H,4EC,4NCS,4G,4DC,4CC,4H,4PCS…
Insulation Resistance: ≥ DC500V 10MΩ（ normal temp）
Insulation Withstand Voltage: AC1500V- 1min
Insulation withstand High temperature: DC500V- 3MΩ（single machine）-50 s and test.
Withstand Voltage: DC500V- 10MΩ（testing after 96 hours in temperature 40℃,humidity 95%)
Torsion test: Bear 3G 2000C.P.M. with 8hours excalibur
Testing voltage Rated voltage: 120% of rated voltage
The cylindrical degree of the shell: <0.05
The crankcase heater can match well with most of the world’s famous compressors, like Bitzer, Hanbell, RefComp, Frascold, Carrier, Copeland, and Sanyo. Also, customization is available.