Four poles, rated 50 A continuous at 40 °C, with a TM240 thermal-magnetic overcurrent release — that means the thermal element handles overloads and the magnetic element clears short-circuits, no undervoltage release or ground-fault monitoring fitted on this variant. The interrupting ratings tell you where it can go: 121 kA at 240 VAC, 75.6 kA at 415 VAC, 52.5 kA at 440 VAC, and 11.9 kA at both 500 VAC and 690 VAC. For a 50 A frame, those are high-interrupting numbers — it clears a fault without upstream coordination issues in most low-voltage switchgear.
At 40 °C, 45 °C, and 50 °C the breaker holds 50 A without derating. At 55 °C it drops to 49 A, at 60 °C to 48 A, at 65 °C to 46 A, and at 70 °C to 45 A — a 10 % reduction at the top of the operating range. Ambient operating range is -25 °C to 70 °C; storage range is -40 °C to 80 °C. Maximum power loss is 14.6 W. Dimensions are 130 mm height, 101.6 mm width, 70 mm depth. The 70 mm depth is the dimension that matters for enclosure depth clearance — standard 200 mm deep enclosures clear it easily, but shallow gland-plate layouts need checking against that 70 mm plus wiring space.