Integrator note — B-curve 4-pole MCB for mixed-load panels
It is a 4-pole (3P+N) unit, so the neutral pole switches with the phases, eliminating the need for a separate neutral disconnect in the panel. The dual standard means it can be specified under either the wiring-rule (EN 60898) or the industrial-equipment (IEC 60947-2) framework, depending on the local code. Rated operational voltage is 400 V AC (multi-phase) with a frequency of 50/60 Hz.
Width is 72 mm (4 modular units), depth 76 mm, height 90 mm, with an installation depth of 70 mm. The quick-assembly fastening method snaps onto standard DIN rail. Terminal design allows combined top and bottom entry, and the neutral conductor is switched internally — no external neutral bar needed. Halogen-free and silicon-free construction.
Environmental range and compliance
Operating temperature range -40 °C to 75 °C, with humidity derating: max 95% RH at 55 °C, 55% at 70 °C, 35% at 75 °C. Certified to IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077 / CSA C22.2 No.235 (5 kA at 277 V AC per UL/CSA). Suitability marked for mechanical engineering and industry applications.