



Hager NBN125A 1 Module Single Pole B Curve/Type B Miniature Circuit Breaker MCB 25A 10kA
NBN125A
NBN 1 Module Single Pole Type B Miniature Circuit Breaker (MCB) 25A 10kA – Reliable Circuit Protection
The NBN 1 Module Single Pole Type B Miniature Circuit Breaker (MCB) is designed for secure and efficient circuit protection, ensuring overload and short-circuit safety in residential and commercial electrical installations. With a Type B tripping curve and a high breaking capacity of 10kA, this MCB provides reliable performance and enhanced protection.
- Short-Circuit Protection – Automatically trips in the event of a short circuit, preventing damage to electrical installations.
- Overload Protection – Ensures safe disconnection when excessive current flows through the circuit.
- Precise Control – Allows for manual operation to disconnect and reset the circuit when needed.
- Effective Isolation – Ensures safe circuit disconnection for maintenance and safety procedures.
- Type B Tripping Characteristics – Designed to trip between 3 to 5 times full load current, making it ideal for domestic applications.
- High Breaking Capacity – Rated at 10kA, providing strong short circuit protection.
- Compact 1 Module Design – Saves space in consumer units and distribution boards.
Technical Specification
- Type: Single pole MCB
- Tripping Curve: Type B
- Rated Current: 25A
- Breaking Capacity: 10kA
- Protection: Overload and short circuit
- Functionality: Control and isolation
- Mounting: DIN rail
✅ Choose the NBN 1 Module Single Pole Type B MCB for high-performance, reliable circuit protection in residential and commercial installations!

Ean Code | 3250614618062 |
Trip Type | B Curve |
Short Circuit Rating | 10kA |
Cable Capacity | 35 (Rigid) 25 (Flexible) mm2 |
Product | MCB |
Type | Single Pole |
Voltage | 230|400 V |
Pole Configuration | Single Pole (1P) |
Mounting | DIN Rail |
Width | 17.5 mm |
Current Rating | 25A |
Standards | BS EN 60898 |
Qualifier | |
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)
- 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.