Manufacturer Name: Littelfuse Product Number: 201A-AU OEM Part Number: 201A-AU Product Description: 3-Phase Plug-In Volt Mon/ 190- Weight:0.68lbs/308.44g

The Littelfuse 201A-AU is a three-phase voltage monitoring relay that protects electrical equipment against voltage imbalances, overvoltages, and undervoltages. It operates by constantly checking the voltage levels in each of the three phases of an AC power source.

For an efficient and reliable HVAC system, the Littelfuse three-phase plug in voltage monitor » is a great choice for optimal system performance.

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