Littelfuse SymCom 201-100-DPDT MotorSaver Protection Relay.

Littelfuse SymCom 201-100-DPDT MotorSaver Protection Relay is an 11-pin octal base plug-in voltage monitor designed to protect 3-phase motors regardless of size. The 201-100-DPDT is used on 95-120VAC, 50/60Hz motors. The units feature two isolated sets of contacts that are ideal for use with two control circuits with different voltages.

The unique microcontroller-based voltage and phase-sensing circuit constantly monitors the voltages to detect harmful power line conditions. When a harmful condition is detected, the relay’s output relays are deactivated after a specified trip delay. The output relays reactivate after power line conditions return to an acceptable level and a specified amount of time has elapsed (restart delay). The trip delay prevents nuisance tripping due to rapidly fluctuating power line conditions.

Features:
• Constant monitoring of 3-phase voltage to protect against harmful line conditions, even before the motor is started.
• Two isolated Form C relays (DPDT) that are ideal for use in systems which have two control circuits with different voltages.
• Compact design for 11-pin; DIN rail or surface mount which allows flexibility in panel installation.
• Advanced LED diagnostics provide quick visual indication for cause of trip.
• Advanced LED indication provides diagnostics which can be used for troubleshooting and to determine relay status.

Note: Must use Model OT11PC socket for UL Rating.

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