6kA MCB – 16A 1 Pole C Curve (WMC116C)
£1.84
£2.99
18th Ed. Compliant
2-Year Warranty
UK Stock
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The WMC116C is a 16 A single-pole 6 kA Miniature Circuit Breaker (MCB) engineered for radial and socket circuits subject to higher inrush currents from motors, pumps or power tools. Its C-curve tripping profile (5–10 × In) offers increased tolerance to start-up surges while delivering fast, reliable disconnection under fault...
The WMC116C is a 16 A single-pole 6 kA Miniature Circuit Breaker (MCB) engineered for radial and socket circuits subject to higher inrush currents from motors, pumps or power tools. Its C-curve tripping profile (5–10 × In) offers increased tolerance to start-up surges while delivering fast, reliable disconnection under fault conditions.
Compliant with BS EN 60898, the WMC116C fits Whitecliffe consumer units and most DIN-rail boards. It provides a 6 kA breaking capacity and 20 000-operation mechanical life, making it a dependable choice for domestic and light-commercial applications requiring extra inrush resilience.
Installer Tip: C-curve breakers are ideal for circuits feeding motors, compressors or pumps that cause brief inrush currents. Verify Zs and cable sizing to maintain BS 7671 compliance.
- 16 A rated current with C-curve (5–10 × 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 – 20 000 mechanical / 8 000 electrical operations
| Part Code | Rating | Curve | Typical Use |
|---|---|---|---|
| WMC106C | 6 A | C | Lighting with LED drivers / control gear |
| WMC116C | 16 A | C | Radial or socket circuits with motors / pumps |
| WMC120C | 20 A | C | Feed or equipment circuits with higher inrush |
The WMC116C is ideal for socket and small-power radials where motors or transformers may cause temporary surges. For standard domestic loads, use a B Curve MCB; for combined earth-fault protection, choose our Type A RCBOs.
When should I use a C Curve MCB?
Use C-curve MCBs on circuits with motors, pumps or transformers where startup currents may reach 5–10 times normal load. They prevent nuisance tripping while maintaining fault protection.
Is the WMC116C compatible with Whitecliffe boards?
Yes – it fits all Whitecliffe consumer units and standard DIN-rail boards.
Can this breaker protect socket radials with tools or pumps?
Yes – it’s ideal for garage or workshop circuits where motor inrush would trip a B-curve device.
What does 6 kA mean?
6 kA is the breaker’s rated breaking capacity – the maximum fault current it can interrupt without damage. For higher fault levels, see our 10 kA MCBs.
Do you supply D Curve versions?
Yes – Type D (10–20 × In) devices for industrial loads are available on request. Contact our team for availability.
- Part Code: WMC116C
- Type: Single Pole MCB
- Rated Current (In): 16 A
- Curve: C (5–10 × In tripping characteristic)
- Rated Voltage (Ue): 230/400 V AC
- Rated Frequency: 50/60 Hz
- Breaking Capacity (Icn): 6 kA
- Insulation Voltage (Ui): 500 V
- Impulse Withstand (Uimp): 4 kV
- Dielectric Test Voltage: 2 kV for 1 minute
- Thermal Reference Temp: 30 °C
- Operating Temperature: –5 °C to +40 °C (avg < 35 °C)
- Mechanical Life: 20 000 operations
- Electrical Life: 8 000 operations
- Mounting: 35 mm DIN rail (1 module width)
- Standards: BS EN 60898; BS 7671:2018 (Amendment 2)
- Typical Applications: Radials feeding pumps, motors or small equipment with moderate inrush currents
Install the WMC116C by a qualified electrician in accordance with BS 7671. Confirm rating and curve type match the circuit design and load profile.
- Mount securely on 35 mm DIN rail with correct busbar alignment
- Select C-curve for loads with moderate inrush currents
- Confirm cable size and Zs values meet BS 7671 requirements
- Inspect terminal tightness and record EIC test results
