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Novatek UBZ 302 Universal 3 Phase Motor Protection Relay Novatek UBZ 302 P The Novatek UBZ 302 is a microprocessor based digital device that provides protection for 3 phase motors No external power supply is required as the unit uses the same power supply as the motor It has been designed to work in 3 phase electric circuits with or without an isolated neutral connection allowing operation in both in 3 and 4 wire circuits P P The UBZ 302 has 3 built in current measurement transformers
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