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Contactum Defender 40A SP B Curve MCB

4.6 (9 reviews)
SKU: 260223155446094 EAN: 5056199025046

Compare 1 price for Contactum Defender 40A SP B Curve MCB — from £3.99 across 1 UK seller including Screwfix.

£3.99 12h ago
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The Contactum Defender CPB40 is a high-performance 40A single pole MCB designed to protect circuits from overloads and short circuits. Featuring a Type B tripping characteristic, it is frequently utilized for high-power domestic circuits such as small electric showers or large cookers. It offers a 6kA breaking capacity and is fully compliant with BS EN 60898-1 for maximum safety and reliability.
Application Electrical Wiring, Residential, Commercial
Box Shape Modular
Brand Contactum
Breaking Capacity 6kA
Colour White
Control Style Toggle Switch
Country/Region of Manufacture United Kingdom
Current Rating 40A
Current Type AC
Features Overload Protection, Short Circuit Protection, Thermal-Magnetic Trip
Finish Matte
Fuse Type Miniature Circuit Breaker (MCB)
Interruption Type Thermal-Magnetic
Material Plastic, Metal
Maximum Amperage 40A
Model Defender
Mounting Style DIN Rail Mounting
MPN CPB40
Number of Gangs 1
Number of Outlets 1
Number of Poles 1
Number of Ports 1
Number of Switches 1
Number of Throws 1
Operation Method On/Off Toggle Switch
Plug Type Screw Terminal
Smart Home Compatibility Not Compatible
Suitable For Contactum Defender Consumer Units, Distribution Boards
Terminal Capacity 25mm²
Tripping Curve B Curve
Type MCB
Unit Quantity 1
Unit Type Unit
Voltage 230V
40A Current Rating
Type B Tripping Characteristic
6kA Breaking Capacity
Single Pole (1P) Configuration
Lockable Dolly Switch for Safety
1 x Contactum Defender 40A SP B Curve MCB

Customer Reviews 9

4.6
9 reviews
5 star
8
4 star
0
3 star
0
2 star
0
1 star
1
Breakers
5.0
December 6, 2025
Crispycheese Verified Purchase

Very good price on sale a real bargain
I always use contactum breakers and boards

OK Breakers..
5.0
July 16, 2023
boatbasher Verified Purchase

These are OK, its a contactum board and hopefully if theres any changes in MCB style in the future they will still support these. Will be buying some of there AFDDs soon for the same job.

Contactum 5* Products
5.0
March 1, 2023
Kris The Tek Verified Purchase

good component that is well constructed, packed well, excelent product.

25amp MCB
5.0
December 22, 2022
Userthatdontwanttobenamed Verified Purchase

Handy to be able to get a 25a MCB without relying on your Electrical supplier.

1.0
November 27, 2022
markb23 Verified Purchase
5.0
August 25, 2022
hozto3lno8lwzrnbtkds2kt8k Verified Purchase
5.0
July 20, 2022
2w204pmizg0sbdp7pzfr0b0un Verified Purchase
5.0
March 26, 2022
6two1zx95hgepolh7m4wsyuyu Verified Purchase
great service
5.0
October 28, 2021
MarkCarr Verified Purchase

product required was in stock and available for immediate delivery

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