Littelfuse, Inc. Monitor - Relay Output 202-200-SP

The 202-200-SP is a single-phase voltage monitoring relay designed to protect motors operating within a voltage range of 190,Äì240 V AC at 50/60 Hz. It features a microcontroller-based voltage-sensing circuit that continuously monitors voltage levels to detect harmful conditions, thereby preventing potential damage to motors. The device includes a fixed trip delay of 4 seconds and an adjustable restart delay ranging from 2 to 300 seconds, allowing for a controlled restart after a fault. This relay is suitable for various applications, including fan motors, air conditioners, compressors, and small conveyor motors. It is equipped with advanced LED indicators for diagnostics and troubleshooting, and its compact size facilitates easy installation in panel assemblies or OEM applications. The 202-200-SP has a temperature range of -40° to 70 °C and offers a dielectric strength of 1480 Vrms minimum. It is compliant with UL508 standards, ensuring reliability and safety in operation.