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The WMC132B is a 32 A single-pole 6 kA Miniature Circuit Breaker (MCB) engineered for high-load domestic and light-commercial circuits such as cookers, immersion heaters, and fixed plant. It features a B-curve tripping characteristic that operates at 3–5 × rated current to deliver precise overcurrent and short-circuit protection without nuisance tripping.
Manufactured to BS EN 60898, the WMC132B fits Whitecliffe consumer units and all standard DIN-rail enclosures. It provides 6 kA fault capacity at 230/400 V AC and a tested mechanical life of 20 000 operations for reliable performance over years of use.
Installer Tip: Ideal for fixed-load circuits such as cookers, immersion heaters or garage feeds. Verify that cable sizing and Zs values remain within BS 7671 disconnection limits for a 32 A B-curve device.
- 32 A rated current with B-curve (3–5 × In) tripping profile
- 6 kA breaking capacity at 230/400 V AC
- Single-pole design – 18 mm module width
- DIN-rail mounted for consumer units and distribution boards
- Complies with BS EN 60898 and BS 7671 (18th Edition A2)
- Service life tested: 20 000 mechanical / 8 000 electrical operations
- Contact-position indicator for easy visual status check
| Part Code | Rating | Curve | Typical Use |
|---|---|---|---|
| WMC120B | 20 A | B | Radial socket and feed circuits |
| WMC132B | 32 A | B | Cookers, heaters and fixed equipment |
| WMC140B | 40 A | B | Sub-mains or high-current loads |
| WMC132C | 32 A | C | Motors or compressors with higher inrush current |
The WMC132B delivers dependable 6 kA protection for heavier domestic and light-commercial loads. For circuits with motors or transformer inrush, see our C Curve MCB range or use Type A RCBOs to add earth-fault protection.
