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Single Phase Relay for Motor Protection.
The Over/Under Voltage Monitor is used to protect single phase equipment that is required to operate between two voltage limits. In a normal voltage environment, the internal relay of the Single Phase Monitor will energize and the LED will illuminate allowing normal operation. Abnormal voltage conditions will cause the internal relay of the Voltage Monitoring Relay to de-energize and the LED to turn off.
Unit of Measure


UL File No.

N/A #E101681

Product Type

N/A 1 Phase, Plug in Voltage Monitor

Operating Voltage (AC)

N/A 230 V

Relay Type


Base Terminal Configuration

N/A Plug in 12 Pin Rectangular

Socket Type

N/A 12 Pin Rectangular, SD 12-PC

Under Voltage Trip

N/A - 15% of Setting

Under Voltage Reset

N/A -12% of Setting

Over Voltage Trip

N/A +15% of Setting

Over Voltage Reset

N/A +12% of Setting

Trip Delay

N/A 5 sec. (Delay is reduced to less than 1 sec if Phase Imbalance is 15% or greater.)

Reset Delay

N/A 2 sec. (Standard)

Voltage Ranges

N/A 200 to 240 V

Output Rating at 240V (AC)

N/A 10A Resistive 6A Inductive

Operating Temperature

N/A -40 to +50 ºC

Storage Temperature

N/A -45 to +85 ºC

Enclosure Material

N/A White Lexan

Base Material

N/A Phenolic

Protects Against

N/A Under Voltage

Customer Options

N/A OV = Over Voltage G5 = 5 Second Reset Delay G10 = 10 Second Reset Delay G20 = 20 Second Reset Delay G30 = 30 Second Reset Delay G60 = 60 Second Reset Delay