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The WKC420C is a 20A 4 pole 10kA Miniature Circuit Breaker (MCB) designed for three-phase + neutral systems. With its C Curve trip characteristic, it is suited to inductive load circuits such as motors, HVAC, pumps, and EV charging sub-circuits in commercial boards, EV distribution setups, and solar PV systems.
Offering a 10kA breaking capacity, the WKC420C ensures safe overload and short-circuit protection while isolating all live conductors and neutral. It is bi-directional, DIN-rail mounted, and compliant with BS 7671 (18th Edition).
Installer Tip: The 20A C Curve breaker is a versatile option for medium-duty inductive loads where inrush currents occur, such as fan motors, HVAC, and EV circuits. Confirm system fault level ≤10kA.
Key Features
- 20A 4 Pole MCB – C Curve profile
- 10kA breaking capacity – safe for commercial & industrial installs
- Neutral disconnection: 4P switching (L1, L2, L3, N)
- Bi-directional feed: install top or bottom
- DIN-rail mounting: 18mm per module
- Complies with BS 7671 (18th Edition)
Compare WKC 4 Pole 10kA MCBs (C Curve)
| Model | Rating | Curve | Breaking Capacity |
|---|---|---|---|
| WKC416C | 16A | C Curve | 10kA |
| WKC420C (This Product) | 20A | C Curve | 10kA |
| WKC425C | 25A | C Curve | 10kA |
| WKC432C | 32A | C Curve | 10kA |
