Siemens 5SN6425-7CP — SENTRON 4-Pole MCB for Panel and Infrastructure Duty
The Siemens 5SN6425-7CP is a 4-pole miniature circuit breaker from the SENTRON 5SN family, rated for 400 V AC at 50 Hz and 72 V DC maximum. The 4-modular-width (72 mm) body snaps onto standard DIN rail, occupying four 18 mm slots. With a mechanical life of 10 000 operating cycles and a per-pole power loss of 2.2 W in hot state, it's built for continuous duty in distribution boards, subpanels, and machine control cabinets. The solid conductor cross-section accepts up to 35 mm², making it suitable for both feeder and branch-circuit wiring.
Breaking Capacity — What the Dual Rating Means for Your Panel
The 6 kA rating under EN 60898 covers standard overcurrent protection in residential and commercial final circuits.
Mounting and Integration — DIN-Rail, 4 MW, 76 mm Deep
The 72 mm width occupies four modular-width units, leaving room for adjacent breakers or accessories in a multi-pole panel layout.