This electrical auxiliary is a shunt trip release (MX) for new GoPact MCCB 400 and 800. GoPact MCCB has a good price-performance ratio for basic applications and delivers a reliable electrical protection for your applications. The rated operational voltage Un is 208/240VAC 50/60Hz. The MX release opens the circuit breaker when its supply voltage is above 70% of its rated operational voltage. The maximum response time is 23ms. The power consumption is 13.43VA at 208/240VAC 50/60Hz. GoPact MCCB 400 and GoPact MCCB 800 are IEC 60947-1 and IEC 60947-2 certified. GoPact MCCB range benefits from Schneider Electric quality assurance.