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The WKC363C 3 Pole 10kA MCB is a 63A C Curve breaker designed for heavy three-phase circuits that need reliable overload and short-circuit protection. With a 10kA breaking capacity and full compliance with BS 7671 (18th Edition), it’s a trusted choice for industrial boards, EV charging systems, solar PV arrays, and HVAC installations. Compact, DIN rail mountable, and bi-directional, it provides flexibility and safety for demanding installs.
Installer Tip: Use C Curve breakers for inductive loads like motors, HVAC, and EV chargers. For resistive loads, see the B Curve. For heavy inrush machinery, switch to the D Curve.
Key Features
- 63A rated current – protects high-demand three-phase circuits
- C Curve tripping – trips at 5–10x In, ideal for inductive loads
- 10kA breaking capacity – safe operation under high fault levels
- 3 Pole design: covers all three phases
- Bi-directional: wiring possible from either top or bottom
- Applications: industrial distribution, EV chargers, solar PV, HVAC, machinery
Compare 63A 3 Pole Variants
| Model | Curve | Rated Current | Breaking Capacity |
|---|---|---|---|
| WKC363B | B Curve | 63A | 10kA |
| WKC363C (This Product) | C Curve | 63A | 10kA |
| WKC363D | D Curve | 63A | 10kA |
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