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The WKC463C is a 63A 4 pole 10kA Miniature Circuit Breaker (MCB) engineered for three-phase + neutral protection. With its C Curve trip characteristic, it is designed for heavier inductive loads such as motors, pumps, HVAC systems, EV charger circuits, and commercial sub-distribution boards in industrial and commercial systems, EV charging setups, and solar PV installs.
Tested to a 10kA breaking capacity, the WKC463C ensures dependable overload and short-circuit protection while providing full neutral disconnection. It is DIN-rail mounted, bi-directional, and fully compliant with BS 7671 (18th Edition).
Installer Tip: The 63A C Curve is the largest in the C Curve range. Use it for high-load inductive circuits where inrush currents are common — such as large HVAC compressors, industrial motors, and EV distribution panels. Confirm the installation fault level is ≤10kA.
Key Features
- 63A 4 Pole MCB – C Curve trip characteristic
- 10kA breaking capacity – robust protection for high-demand systems
- Four-pole isolation: protects L1, L2, L3 + Neutral
- Bi-directional feed: suitable for top or bottom install
- DIN-rail mounting: 18mm per module
- Tested to BS 7671 (18th Edition)
Compare WKC 4 Pole 10kA MCBs (C Curve)
| Model | Rating | Curve | Breaking Capacity |
|---|---|---|---|
| WKC450C | 50A | C Curve | 10kA |
| WKC463C (This Product) | 63A | C Curve | 10kA |
