

⚡ Break limits, not circuits — power your space with Wylex precision!
The Wylex MCB 40A SP Type B is a compact, lightweight miniature circuit breaker designed for reliable protection of electrical circuits. Featuring a 40-amp current rating and DIN rail mounting, it offers easy installation and robust performance, making it an essential component for modern electrical panels.
| Manufacturer | Wylex |
| Part number | NHXB40 |
| Item Weight | 150 g |
| Product Dimensions | 3 x 3 x 3 cm; 150 g |
| Item model number | WYLEX |
| Colour | multi |
| Item Package Quantity | 1 |
| Measurement System | Imperial |
| Plug profile | DIN Rail Mount |
| Included components | nhxb40 |
| Batteries included? | No |
| Batteries Required? | No |
J**R
Arrived on time, Good product, A++
Arrived quickly, great product, A++
C**D
Perfect upgrade from my 32 AMP
Brought a new shower and needed a new MCB, this was affordable and a perfect fit that replaced another MCB
R**R
perfect
does the job ...
D**.
Good value
As advertised
P**N
Five Stars
very reasonable price works well
K**A
Excellent quality works well
Excellent quality works wellThank you
Trustpilot
2 months ago
1 month ago