It is a 3-pole unit rated 100 A at 65 °C, with a breaking capacity of 70 kA Icu at 380/415 V AC per IEC 60947-2. The magnetic trip responds to short-circuit faults only — no thermal overload element — so motor overload protection must be handled separately by a thermal relay or motor protection relay upstream.
This H-frame breaker delivers 70 kA Icu at 415 V AC, 65 kA at 440 V, and 50 kA at 500 V. At 690 V AC it still holds 10 kA Icu. The high interrupting rating at typical 400 V industrial supply means it can be used as a main or feeder breaker in high-fault panels without cascading upstream. The magnetic trip unit (MA) provides instantaneous short-circuit protection only, with no adjustable time delay — coordination with downstream devices relies on the let-through energy (I²t) of the breaker itself.
Front connections for both line and load sides. IP40 enclosure protection and IK07 impact resistance suit panel-mounted installations in industrial environments.
Mechanical endurance is 50,000 cycles. Electrical durability varies with load: 50,000 cycles at 440 V at half rated current, 30,000 cycles at full rated current, and 10,000 cycles at 690 V at full rated current.