Littelfuse SymCom 460-100-SP MotorSaver Protection Relay.

Littelfuse SymCom 460-100-SP MotorSaver is used on 95-120VAC, 60/50Hz single-phase motors to protect them from damaging high and low voltage conditions.An adjustment knob allows the user to set a 1-500 second restart delay. The variable restart delay is also a power-up delay and can be utilized to stagger-start motors on the same system.

These unique microcontroller-based, voltage-sensing circuit constantly monitors the voltage to detect harmful power line conditions. When a harmful condition is detected, the MotorSaver's output relay is deactivated after a specified trip delay. The output relay reactivates after power line conditions return to an acceptable level for a specified amount of time (restart delay). The restart delay is also a power-up delay and can be utilized to stagger-start motors on the same system. The trip delay prevents nuisance tripping due to rapidly fluctuating power line conditions.

Protects 1-Phase Motors From:
• Low voltage
• High voltage
• Rapid Cycling

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