The 4-pole configuration handles three-phase plus neutral, common for North American and European panel builds.
Breaking capacity is 121 kA at 240 V, 75.6 kA at 415 V, 52.5 kA at 440 V, and 11.9 kA at both 500 V and 690 V. The 121 kA at 240 V gives headroom for high-fault utility feeds; the 11.9 kA at 690 V is the limiting value for IEC installations.
At 55 °C it derates to 62 A, at 60 °C to 61 A, at 65 °C to 60 A, and at 70 °C to 58 A. Maximum power loss is 17.3 W — negligible for panel heat budget but worth noting for sealed enclosures.