It combines a 100 A MCB with D tripping characteristic and a 30 mA Type B residual current device in one 11 modular-width unit. Type B residual current detection means it catches smooth DC fault currents, AC pulsating currents, and high-frequency AC — the full spectrum you get from variable-speed drives, UPS systems, and PV inverters. That 30 mA trip threshold protects personnel against direct-contact faults. The D-curve (10-20x In) handles high inrush loads like motor starters, welding transformers, and large capacitor banks without nuisance tripping on startup.
At 30 °C ambient the device carries its full 100 A. That drops to 92.5 A at 40 °C, 89 A at 45 °C, 85 A at 50 °C, 81 A at 55 °C, and 77 A at 60 °C. Mounting position is any, and supply can enter from top or bottom, which simplifies busbar layout in a crowded enclosure. The 77 mm depth plus 70 mm installation depth means it fits standard flush-mount consumer units and distribution boards without a deep can.
Panel fit and compliance
At 11 modular width units (198 mm) this is a wide device — plan for it in the DIN rail layout before you start wiring. Rated insulation voltage is 440 V, overvoltage category III, pollution degree 2.