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Your cart is empty.MU250 is a voltage relay that combines overvoltage, undervoltage, unbalance, phase loss, phase sequence and delay start functions. It can be connected with or without neutral wire. MU250 incoperates a 4-digit LED display which allows direct numerical readout of set values, actual measured value and system indication. MU250 has two relay outputs (R1 and R2). R1 is On under normal operating condition, R2 can be programmed to on during trip state or during pickup and trip state.
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