Overload relays are intended to protect motors, controllers, and branch-circuit conductors against excessive heating due to prolonged motor overcurrents up to and including locked rotor currents. Protection of the motor and the other branch-circuit components from higher currents, due to short circuits or grounds, is a function of the branch-circuit fuses, circuit breakers, or motor short-circuit protectors.
- Series : B
- B28.0 Full Load Amps : 15.9 to 22.0
- Square D Overload Heater Element
- Sensing Method : Melting Alloy
- For Use With Square D NEMA Motor Starters 00, 0, 1, 1P, 2

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