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CS4TM motor protector for Refrigeration Compressors

Thermal Protector for Compressor, Motor Protector for Refrigeration Compressor, Overload Switch for Air Compressor Motor, Thermal Cutout for Air Compressor

The basic function set of the 4TM with plug-on feature is to protect the motor in a refrigeration compressor from overheating as a result of locked rotor or running overload. The CS4TM provides this protection by sensing the current and temperature of the motor.

Protector drawings:

Model description
CS4TM-XXX-XX
CS4TM basic model designation
XXX opening temperature
XX Current rating identification

Characteristics:
1. Contact capacity: 20A/250VAC 40A/125VAC
2. Trip time: on your request.
3. Contact resistance: ≤100mΩ (measured with ohm meter at 25 °C)
4. Pulling Strength of Terminals: 60 N applied from lead to lead for 5S. No slip-off or loose.
5. Insulation resistance : the resistance between the terminal and plastic case>100 MΩ (measured with 500 VDC at 25 °C)

Open and Close Temperature
Model Opening temperature Closing temperature (reference)
CS4TM100 ℃ 100±5 ℃ 45±10 ℃
CS4TM105 ℃ 105±5 ℃ 45±10 ℃
CS4TM110 ℃ 110±5 ℃ 45±10 ℃
CS4TM115 ℃ 115±5 ℃ 45±10 ℃
CS4TM120 ℃ 120±5 ℃ 45±10 ℃
CS4TM125 ℃ 125±5 ℃ 50±10 ℃
CS4TM130 ℃ 130±5 ℃ 50±10 ℃
CS4TM135 ℃ 135±5 ℃ 50±10 ℃
CS4TM140 ℃ 140±5 ℃ 50±10 ℃
CS4TM145 ℃ 145±5 ℃ 50±10 ℃
CS4TM150 ℃ 150±5 ℃ 55±15 ℃
CS4TM155 ℃ 155±5 ℃ 55±15 ℃
CS4TM160 ℃ 160±5 ℃ 55±15 ℃
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