EV-CHECK MAX is the range of combined transient and power frequency overvoltage protection devices (SPD+POP), intended for actuation on shunt release of a moulded case circuit breaker (MCCB not included). Type 2+3 / Class II+III, 40 kA (8/20 μs) surges, 4 pole (3P+N), for 230 V with test button for POP.