What this MCCB delivers in the panel
The Siemens SENTRON 3VA1110-6EF36-0DA0 is a 3-pole molded case circuit breaker rated for line protection, carrying 100 A continuously at 40 °C without derating — and it holds that same 100 A all the way up to 50 °C, which is rare in this frame size. Above 50 °C it derates linearly to 90 A at 70 °C, so if your enclosure runs hot near the top of the ambient range, you still have headroom for a 90 A load. Breaking capacity is where this unit earns its place in high-fault panels: 220 kA at 240 V, 154 kA at 415 V, 121 kA at 440 V, and still 17 kA at 690 V. That 220 kA figure at 240 V means it can sit downstream of a large transformer or in a switchboard with a high available fault current without needing a current-limiting fuse ahead of it — the MCCB clears the fault itself. It comes with a TM240 thermal-magnetic release, so the thermal element handles overloads and the magnetic element handles short-circuits. The undervoltage release (UVR) is built in — part of the base design, not an add-on — which matters if your safety circuit needs the breaker to trip on loss of control voltage. Mechanical endurance rated at 15,000 cycles.
Footprint and panel fit
The breaker measures 76.2 mm wide, 130 mm tall, and 70 mm deep — a compact 3-pole footprint that fits standard Siemens SENTRON mounting plates and busbar systems. IP40 on the front means it is protected against tools and small wires entering the face, but the enclosure itself needs to handle the rest of the IP rating for the panel. No auxiliary contacts are fitted from the factory, and there is no trip indicator or voltage trigger. If you need aux contacts, the integrated auxiliary trip order code is 3VA9608-0BB25 — that is the factory-matched accessory for this release variant. Rated insulation voltage is 800 V, so it is suitable for 690 V systems with margin. The storage temperature range of -40 °C to 80 °C covers cold warehouses and hot shipping containers.