The Siemens SENTRON 3VA1032-4ED36-0BA0 is a 3-pole molded case circuit breaker (MCCB) rated for 32 A continuous current (Iu) with a TM210 thermal-magnetic release. It's built for line protection — meaning it sits on the feeder side of a distribution panel, protecting cables and busbars from overloads and short circuits. The interrupting ratings climb to 121 kA at 240 V and 75.6 kA at 415 V, so it handles high-fault-current scenarios common in industrial mains without needing a current-limiting fuse upstream.
Ratings and what they mean for fit
The 32 A rating holds flat from 40 °C up to 50 °C — no derating needed in a warm panel. Above that it steps down: 30.72 A at 55 °C, 30.08 A at 60 °C, 29.44 A at 65 °C, and 28.8 A at 70 °C. If your enclosure runs hot, the actual continuous current capacity drops; size the breaker for the ambient you'll see, not the nameplate. The rated insulation voltage (Ui) is 800 V, which covers 480/277 V and 600 V systems with margin. The TM210 release is a fixed thermal-magnetic type — no interchangeable trip units, no electronic adjustments. That keeps the part simple and reliable for standard feeder protection, but it means you can't dial in a different trip curve later. The breaker includes an undervoltage release (UVR) as the auxiliary release design, which will trip the breaker if control voltage drops below a threshold — common for emergency-stop or safety interlock circuits. No auxiliary contacts are built in, so if you need remote status feedback, you'll add the separate auxiliary trip accessory (order code 3VA9608-0BB11).
Where it goes in the panel
This MCCB is a panel-mount device — no DIN-rail clip, so it bolts into a cutout or mounts on a backplate. The footprint is 76.2 mm wide by 130 mm tall by 70 mm deep, which is the standard 3-pole SENTRON 3VA frame size. Plan for that depth behind the door, especially if you're fitting a rotary handle or a door interlock. The front face carries an IP40 protection rating — fine for a clean indoor panel, but not for washdown or outdoor exposure without an enclosure.