The Siemens SENTRON 3VA1132-5EF36-0HC0 is a 3-pole molded case circuit breaker rated 32 A at 40 °C, with a breaking capacity of 187 kA at 240 V — that is the short-circuit current it can safely interrupt without welding contacts or rupturing the case, so it holds fault coordination downstream even on a high-fault utility feed.
Breaking capacity across voltage — selectivity planning
At 415 V the breaker clears 121 kA; at 440 V it drops to 75.6 kA; at 500 V and 690 V it holds 17 kA. That steep derate above 440 V means the 3VA1132-5EF36-0HC0 is best suited for 240 V or 400/415 V distribution where fault currents are high — on a 690 V line you need to verify the available fault current is under 17 kA.
Thermal rating and ambient derating
At 55 °C it derates to 31 A, at 65 °C to 30 A, and at 70 °C it still carries 30 A. That is a shallow derate curve — useful if the panel runs warm but you need to avoid upsizing the frame.