BOM-line fit – three-phase industrial MCB
The Siemens 5SJ4363-7HG41 is a 3-pole SENTRON miniature circuit breaker with a C-trip curve, rated 400 V AC, and interrupting capacity of 10 kA / 15 kA.
Swap-in specs for a service tech
Occupies 3 modular widths (54 mm wide), depth 70 mm. Combined terminals top and bottom accept solid or ferruled stranded; tighten to 3.5 Nm. Vibration-rated 50 m/s²; sealable for lockout.
Production status and sourcing
Lifecycle stage is current – no end-of-life notification. Sourced as a stocked line item; submit an RFQ for lead time and pricing.
Mounting and environment limits
Snaps onto standard 35 mm DIN rail in any orientation. IP20 with connected conductors, IP40 in the handle zone. Ambient range –40 °C to 75 °C, pollution degree 3, overvoltage category 3.
