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The WKC350B 3 Pole 10kA MCB is a 50A B Curve breaker providing reliable short-circuit and overload protection for three-phase circuits. Rated at 10kA breaking capacity and compliant with BS 7671 (18th Edition), it’s a trusted solution for industrial boards, EV installations, and solar PV systems. Compact and bi-directional, it fits standard DIN rail consumer units and distribution boards.
Installer Tip: The B Curve is recommended for resistive loads such as lighting and socket outlets. For inductive or high inrush loads, see the C Curve or D Curve versions.
Key Features
- 50A rated current – suitable for larger three-phase resistive loads
- B Curve tripping – fast disconnection for general-purpose circuits
- 10kA breaking capacity – safe interruption of high fault currents
- 3 Pole design: full protection across three phases
- Bi-directional: allows wiring from top or bottom
- Applications: commercial lighting, socket banks, EV & PV installs
Compare 50A 3 Pole Variants
| Model | Curve | Rated Current | Breaking Capacity |
|---|---|---|---|
| WKC350B (This Product) | B Curve | 50A | 10kA |
| WKC350C | C Curve | 50A | 10kA |
| WKC350D | D Curve | 50A | 10kA |
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