
The ABB Tmax T3N 250 TMD 125/1250 P MP 4P is an automatic moulded case circuit-breaker designed for high-performance applications. It features a thermomagnetic trip unit with adjustable thermal and fixed magnetic thresholds, ensuring reliable operation in various conditions. With a current rating of 250 A and a maximum short-circuit breaking capacity of 36 kA at 415 V AC, this circuit breaker is perfect for installations requiring precise protection and coordination.
Detailed engineering parameters based on manufacturer documentation