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The WKC363B 3 Pole 10kA MCB is a 63A B Curve breaker engineered to protect heavy-duty three-phase circuits from short-circuit and overload faults. With a robust 10kA breaking capacity and full compliance to BS 7671 (18th Edition), it’s trusted in industrial distribution boards, EV charger setups, and solar PV systems. Compact, DIN rail mountable, and bi-directional, it delivers reliable disconnection under demanding fault conditions.
Installer Tip: Choose the B Curve version for resistive loads. For inductive or high-inrush applications, check the C Curve or D Curve models.
Key Features
- 63A rated current – handles heavy three-phase resistive loads
- B Curve tripping – quick disconnection (3–5x In)
- 10kA breaking capacity – safe clearance under high fault levels
- 3 Pole design: covers all three phases
- Bi-directional: top or bottom wiring flexibility
- Applications: industrial distribution boards, heavy lighting, socket circuits, EV & PV installs
Compare 63A 3 Pole Variants
| Model | Curve | Rated Current | Breaking Capacity |
|---|---|---|---|
| WKC363B (This Product) | B Curve | 63A | 10kA |
| WKC363C | C Curve | 63A | 10kA |
| WKC363D | D Curve | 63A | 10kA |
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