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CS4TM Thermal Overload Relay / Air Compressor Motor Thermal Protection Switch
The basic function set of the 4TM thermal overload relay 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.
Thermal protector drawings
| 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)
| Model | Opening temperature | Closing temperature (reference) |
| 100±5 ℃ | 45±10 ℃ | |
| 105±5 ℃ | 45±10 ℃ | |
| 110±5 ℃ | 45±10 ℃ | |
| 115±5 ℃ | 45±10 ℃ | |
| 120±5 ℃ | 45±10 ℃ | |
| 125±5 ℃ | 50±10 ℃ | |
| 130±5 ℃ | 50±10 ℃ | |
| 135±5 ℃ | 50±10 ℃ | |
| 140±5 ℃ | 50±10 ℃ | |
| 145±5 ℃ | 50±10 ℃ | |
| 150±5 ℃ | 55±15 ℃ | |
| 155±5 ℃ | 55±15 ℃ | |
| 160±5 ℃ | 55±15 ℃ |
Changsheng is a leading bimetal thermal protector manufacturer and thermal protection switch supplier, offering various thermal switching products to meet many electric motor thermal overload protection needs. Our company offers a wide range of compressor motor protector, fridge protector, vending machine protector, and the thermal protection products have passed many certificates like UL, VDE, KC, CE, CQC.
Index
Bimetal Thermal Protector, Overcurrent Protector
Motor Thermal Protection Switch
Jiangsu Changsheng Electric Appliance Co., Ltd.
Tel.: +86-519-85920008
