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The WMC116B is a 16 A single-pole 6 kA Miniature Circuit Breaker (MCB) designed for socket and small-power radial circuits. It combines dependable overcurrent and short-circuit protection with a B-curve tripping characteristic that responds at 3–5 × rated current — ideal for domestic and light-commercial loads with low inrush.
Manufactured to BS EN 60898, the WMC116B fits Whitecliffe consumer units and standard DIN-rail enclosures. It offers long mechanical life and precise thermal-magnetic tripping for reliable circuit protection across 8 000 electrical operations.
Installer Tip: Use 16 A B-curve breakers for socket circuits and small appliances fed by radials or rings. Confirm Zs values and protective coordination to ensure compliance with BS 7671 disconnection times.
- 16 A rated current with B-curve (3–5 × In) tripping
- 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)
- Tested service life: 20 000 mechanical / 8 000 electrical operations
- Contact-position indicator for easy visual status check
| Part Code | Rating | Curve | Typical Use |
|---|---|---|---|
| WMC106B | 6 A | B | Lighting and low-load socket circuits |
| WMC116B | 16 A | B | Socket or small-power radial circuits |
| WMC132B | 32 A | B | Cookers and high-load domestic circuits |
| WMC116C | 16 A | C | Radials with higher inrush (e.g. motors, compressors) |
The WMC116B provides dependable 6 kA fault protection for socket and small-power circuits. For motor or EV installations requiring greater inrush tolerance, view our C Curve MCB range or upgrade to Type A RCBOs for combined overcurrent and earth-fault protection.
