This is a MN undervoltage release for drawout Masterpact NW devices. Its rated voltage is 200VDC to 250 VDC or 200VAC to 250 VAC 50/60Hz. It is an auxiliary used for emergency off or remote opening applications. This auxiliary opens the circuit breaker when the control voltage drops to a value below 35% of its rated voltage Un. It complies with IEC 60947-2 standard. Masterpact device can be equipped with 1 MX, 1 XF and 1 MN auxiliaries.
