Voltage monitoring relay 202 series
SPDTthree-phasefor electric motors

Voltage monitoring relay - 202 series - Littelfuse - SPDT / three-phase / for electric motors
Voltage monitoring relay - 202 series - Littelfuse - SPDT / three-phase / for electric motors
Voltage monitoring relay - 202 series - Littelfuse - SPDT / three-phase / for electric motors - image - 2
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Characteristics

Measured/monitored value
voltage
Contact configuration
SPDT
Network
three-phase
Applications
for electric motors
Trigger voltage

Min.: 190 V

Max.: 600 V

Description

The 202-200-SP voltage monitor is designed to protect single-phase motors regardless of size. It can be used with 190V-240VAC, 50/60Hz motors to prevent damage caused by incoming power problems. A unique microcontroller-based voltage-sensing circuit constantly monitors the voltage to detect harmful power line conditions. When a harmful condition is detected, the relay’s output relay is deactivated after a specified trip delay. The output relay reactivates 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.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.