A thermal overload relay is a small electromechanical device that protects motors from overheating. These relays help to control the electrical current that goes to the motor to prevent it from overheating.
- B3.70
- Square D
- Thermal Overload Unit
- SQD Heater
- Melting Alloy Heater SQD Heater
- 2.51 to 3.30 Full Load Amps,
- For Use With Square D NEMA Motor Starters
- Size: 00, 0, 1, 1P, 6

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