The Siemens 3VA1132-3EF32-0JA0 is a 3-pole SENTRON molded case circuit breaker (MCCB) rated for 32 A at 40 °C, with a TM240 thermal-magnetic overcurrent release and an integrated shunt trip (STL) auxiliary release. Breaking capacity reaches 75.6 kA at 240 V AC, 52.5 kA at 415 V, and 32 kA at 440 V, tapering to 11.9 kA at both 500 V and 690 V.
At 55 °C the continuous rating derates to 31 A, and at 65 °C to 30 A. The 70 mm depth and 76.2 mm width fit standard 3-pole MCCB mounting footprints in distribution boards; the 130 mm height leaves clearance for cable entry from above or below. Maximum power loss is 10.6 W. In a sealed enclosure with multiple breakers ganged, this heat adds up — account for it in the thermal budget, especially above 50 °C where the derating curve starts to bite.
For a BOM line that needs this exact shunt-trip variant, the order code is the one to specify — the base breaker without the shunt trip is a different code, and adding a field-installed shunt trip later costs more in labor and panel rework.