



Vimark B1240 Protect+ 1 Module B Curve/Type B Single Pole Miniature Circuit Breaker MCB 40A 6kA
B1240
Vimark Protect+ 40A Type B MCB – High-Capacity, Compact Protection for Demanding Circuits
The Vimark Protect+ 40A Type B Miniature Circuit Breaker is a single pole device designed to safeguard higher-load circuits from overloads and short circuits. With its compact 1 module footprint and 6kA breaking capacity, it provides dependable performance for domestic and commercial installations.
- Type B Tripping Curve: Suitable for circuits with low inrush currents such as lighting, heating, and socket outlets.
- 40A Rated Current: Ideal for high-demand final circuits requiring strong, reliable protection.
- 6kA Breaking Capacity: Effectively interrupts fault currents to maintain circuit safety and compliance.
- Slimline 1 Module Width: Space-saving design optimised for use in consumer units and distribution boards.
- DIN Rail Mounting: Ensures quick, secure, and standardised installation.
Technical Specification
- Type: Type B (Curve B)
- Poles: Single Pole
- Rated Current: 40A
- Breaking Capacity: 6kA
- Modules: 1
✅ Choose the Vimark Protect+ 40A MCB for compact, high-capacity protection where performance and reliability matter most!

Ean Code | 5016211218627 |
Range | Deta Protect+ |
Trip Type | B Curve |
Short Circuit Rating | 6kA |
Cable Capacity | 25 mm2 |
Product | MCB |
Type | Single Pole |
Voltage | 230 V |
Warranty | 10 Years |
Pole Configuration | Single Pole (1P) |
Mounting | DIN Rail |
Width | 18 mm |
Current Rating | 40A |
Standards | IEC 60898-1 |
Number Of Poles | Single Pole (1P) |
Number Of Modules | 1 |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 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.