The real fit question is the breaking capacity: this breaker delivers 36 kA Icu at 380/415 V AC, 35 kA at 440 V, and 30 kA at 500 V. This is a 3-pole, Category A breaker — meaning it is not intended for motor starting duty but for distribution protection. It mounts flat on a backplate, takes front-front connections, and fits in an 86 mm deep by 105 mm wide by 161 mm high footprint.
What else to know before you spec it
The mechanical durability is 40,000 cycles; electrical durability ranges from 40,000 cycles at half-rated current and 440 V down to 7,500 cycles at full-rated current and 690 V. That is enough for a distribution feeder that sees a few operations a day, but not for a frequent switching application.
