6kA MCB – 32A 1 Pole C Curve (WMC132C)

The WMC132C is a 32 A single-pole 6 kA Miniature Circuit Breaker (MCB) built for high-load circuits with moderate to high inrush current - including cookers, workshop sockets and small machinery. Its C-curve tripping profile (5–10 × In) provides extra immunity to motor and transformer startup currents while ensuring rapid disconnection under fault conditions.

Fully tested to BS EN 60898, this MCB fits Whitecliffe consumer units and any standard DIN-rail enclosure. It delivers 6 kA breaking capacity and a service life of 20 000 mechanical operations — ideal for domestic and light-commercial installations requiring dependable surge-resistant protection.

• 32 A rated current with C-curve (5–10 × In) tolerance
• 6 kA breaking capacity at 230/400 V AC
• Single-pole design – 18 mm module width
• DIN-rail mounted – fits 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

The WMC132C provides 6 kA protection for heavier domestic and light-commercial circuits. For standard resistive loads, choose a B Curve MCB; for combined earth-fault protection, use our Type A RCBOs.

• Part Code: WMC132C
• Type: Single Pole MCB
• Rated Current (In): 32 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 (A2)
• Typical Applications: Cookers, machinery, workshop sockets and fixed equipment with moderate inrush currents

Fit the WMC132C by a qualified electrician into a suitable consumer unit or distribution board. Confirm rating and curve match the circuit design and expected load.

• Mount securely on 35 mm DIN rail with correct busbar alignment
• Use C-curve for circuits with higher inrush (e.g. motors, tools, welders)
• Check Z_s, cable size and disconnection times against BS 7671
• Tighten terminals to manufacturer torque spec and record test values

Where should a 32 A C Curve MCB be used?

Ideal for circuits feeding motors, cookers or tools where startup currents are higher than normal. The C-curve prevents nuisance tripping while maintaining fast fault clearing.

Is the WMC132C compatible with Whitecliffe boards?

Yes – it fits all Whitecliffe consumer units and standard DIN-rail enclosures.

Can this breaker protect industrial equipment?

Yes – it’s suitable for light industrial loads within a 6 kA fault-level environment. For heavier industrial systems, see our 10 kA range.

What does C Curve mean on an MCB?

It defines the trip threshold. C-curve devices trip between 5–10 × the rated current, handling motor and transformer inrush without unwanted trips.

Do you supply D Curve options?

Yes – Type D (10–20 × In) MCBs for heavy industrial and transformer circuits are available on request.