32 A MCCB with shunt trip — line protection for 3-phase panels
The Siemens SENTRON 3VA1032-4ED36-0JA0 is a 3-pole molded case circuit breaker (MCCB) rated for line protection duty. It carries a continuous current of 32 A across ambient temperatures from 40 °C to 50 °C, derating to 30 A at 70 °C — a thermal curve that matters when the breaker shares a crowded enclosure with other heat sources. Breaking capacity hits 121 kA at 240 V and stays at 75.6 kA at 415 V, then drops to 11.9 kA at 500 V and 690 V. That 415 V figure is the one most plant engineers will check first for 400 V class distribution — it tells you this MCCB can clear a bolted fault on a 400 V bus without upstream fuses needing to open. The overcurrent release is a TM210 thermal-magnetic type, and the auxiliary release is a shunt trip (STL) — meaning you can remotely trip this breaker via a control signal, which is standard for emergency-stop circuits or downstream interlock schemes. Rated insulation voltage is 800 V, so it's comfortable on 480 V or 600 V class systems.
Sourcing and lifecycle — active production, quoted to order
The basic switch inside this assembly carries the order code 3VA10324ED360AA0 — that's the core switching mechanism. If you're stocking spares, that sub-assembly number is what the repair depot will ask for.
Panel fit — DIN-rail compatible, 70 mm deep
Dimensions are 76.2 mm wide, 130 mm tall, and 70 mm deep — a standard 3-pole MCCB footprint that drops into most SENTRON panelboards and distribution blocks without re-drilling. The 70 mm depth is shallow enough for 200 mm deep enclosures; just watch the gland-plate clearance if you're running cables behind the breaker. Maximum power loss is 10.6 W — negligible for thermal budgeting in a single-breaker panel, but worth summing if you're packing a dozen of these into a sealed enclosure. Operating range is -25 °C to 70 °C; storage range is -40 °C to 80 °C.