
Contactum Defender CPB0640B Single Pole B Curve/Type B MCB 40A 6kA
CPB0640B
Contactum Defender Single Pole B Curve MCB – Reliable Overcurrent Protection
The Contactum Defender Single Pole Miniature Circuit Breaker (MCB) is designed for dependable circuit protection in residential and commercial applications. With a B Curve rating, it provides effective short-circuit and overload protection while ensuring a swift disconnection response for low inrush current circuits.
- B Curve Tripping Characteristic: Designed to trip between 3-5 times the rated current, ideal for general domestic and commercial use.
- Breaking Capacity: 6kA – Provides robust short-circuit protection for enhanced safety.
- Single Pole Configuration: Protects individual circuits while maintaining reliable operation.
- Compact & DIN Rail Mounted: Easily integrates into existing Contactum Defender consumer units and distribution boards.
- Compliant with Standards: Manufactured to BS EN 60898 for guaranteed quality and safety.
Technical Specification
- Current Rating: 40A
- Tripping Curve: B Curve
- Breaking Capacity: 6kA
- Voltage Rating: 230/400V AC
- Pole Configuration: Single Pole
- Mounting: DIN Rail
- Standards Compliance: BS EN 60898
✅ Ensure safe and efficient circuit protection with the Contactum Defender B Curve MCB!
Range | Contactum Defender |
Trip Type | B Curve |
Short Circuit Rating | 6kA |
Cable Capacity | 35 mm2 |
Product | MCB |
Type | Single Pole |
Voltage | 220-250 V |
Pole Configuration | Single Pole (1P) |
Mounting | DIN Rail |
Current Rating | 40A |
Standards | BS EN 60898 |
Ce Approved | Y |
Number Of Poles | Single Pole (1P) |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- STANDARD DELIVERY – 2–3 Working Days From Despatch (subject to stock availability) - £4.99 inc-VAT. (£4.16 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.