20A 2 Pole 10kA MCB – C Curve (WKC220C)
18th Ed. Compliant
2-Year Warranty
UK Stock
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The WKC220C is a 20 A 2 Pole 10 kA Miniature Circuit Breaker (MCB) designed for protecting medium-load circuits with moderate inrush currents. The C-curve tripping profile provides additional tolerance during start-up, making it suitable for small pumps, HVAC units, lighting controls, and automation circuits. This dual-pole breaker disconnects both...
The WKC220C is a 20 A 2 Pole 10 kA Miniature Circuit Breaker (MCB) designed for protecting medium-load circuits with moderate inrush currents. The C-curve tripping profile provides additional tolerance during start-up, making it suitable for small pumps, HVAC units, lighting controls, and automation circuits.
This dual-pole breaker disconnects both live conductors simultaneously, ensuring safe isolation and full compliance with BS EN 60898-1. Its 36 mm compact body mounts easily on any 35 mm DIN rail within consumer units, three-phase panels, or IP-rated enclosures.
Installer Tip: The 20 A C-curve breaker is ideal for small motors and fans that draw higher inrush current. For resistive circuits such as lighting spurs, a B-curve may be sufficient.
Key Features
- 20 A rated – designed for HVAC, pumps, and lighting control feeds
- 10 kA breaking capacity – suitable for commercial and industrial fault levels
- 2-pole design – isolates both live conductors for safer maintenance
- C-curve tripping – handles moderate inrush currents without false trips
- Bi-directional terminals – flexible top or bottom connection
- 36 mm (2-module) profile fits standard DIN-rail enclosures
- Certified to IEC/EN 60898-1 for 18th Edition compliance
Compare 2 Pole 10 kA MCB Variants
| Model | Rating | Curve |
|---|---|---|
| WKC220B | 20 A | B Curve |
| WKC220C (This Product) | 20 A | C Curve |
| WKC220D | 20 A | D Curve |
When is a C-curve MCB required?
C-curve breakers are used for circuits with moderate inrush current such as pumps, fans, or fluorescent and LED lighting control systems.
Does this breaker isolate both live conductors?
Yes – the 2-pole configuration disconnects both lines simultaneously for full isolation.
Can this be used for HVAC circuits?
Yes – ideal for HVAC and fan motor protection in commercial or domestic installations.
Is it compliant with BS EN 60898-1?
Yes – tested and certified to BS EN 60898-1, fully compliant with the 18th Edition Wiring Regulations.
- Model: WKC220C
- Poles: 2
- Rated Current: 20 A
- Curve Type: C
- Breaking Capacity: 10 kA
- Operating Voltage: 230/400 V AC
- Mounting: 35 mm DIN rail (EN 60715)
- Width: 36 mm (2 modules)
- Standard: IEC/EN 60898-1
- Applications: HVAC, pumps, lighting control, automation spurs
To be fitted by a qualified electrician under BS 7671. Always confirm load characteristics and ensure proper curve selection before installation.
- Mount securely on 35 mm DIN rail (EN 60715)
- Tighten terminals to 2.0–2.5 Nm
- Test circuit integrity and polarity before energising
- Clearly label all protected circuits in distribution schedule
