



Crabtree 61/C40 Starbreaker 1 Module Single Pole C Curve/Type C Miniature Circuit Breaker MCB 40A 6kA
61/C40
Starbreaker 1 Module Single Pole C Curve MCB – Robust 40A Circuit Protection
The Starbreaker Single Pole Miniature Circuit Breaker (MCB) provides reliable overcurrent and short-circuit protection for electrical installations. Designed with a C Curve tripping characteristic, it is ideal for circuits with higher inrush currents, such as inductive or motor loads.
- Rated Current: 40A – Suitable for protecting circuits with moderate load demands.
- C Curve Tripping Characteristic: Trips between 5-10 times the rated current, making it ideal for inductive loads like motors and transformers.
- Breaking Capacity: 6kA – Provides dependable short-circuit protection in residential and commercial installations.
- Single Pole Configuration: Protects individual circuits while ensuring system stability.
- Compact 1-Module Design: Saves space in consumer units while delivering full protection.
- DIN Rail Mounted: Easily integrates into Starbreaker consumer units and distribution boards.
- Standards Compliant: Manufactured to BS EN 60898 for assured safety and performance.
Technical Specification
- Current Rating: 40A
- Tripping Curve: C Curve
- Breaking Capacity: 6kA
- Voltage Rating: 230/400V AC
- Pole Configuration: Single Pole
- Module Size: 1
- Mounting: DIN Rail
- Standards Compliance: BS EN 60898
✅ Ensure reliable protection for inductive loads with the Starbreaker 40A C Curve MCB!

Ean Code | 5017399037581 |
Range | Starbreaker |
Trip Type | C Curve |
Short Circuit Rating | 6kA |
Product | MCB |
Type | Single Pole |
Ingress Protection | IP20 |
Voltage | 230|400 V |
Pole Configuration | Single Pole (1P) |
Current Rating | 40A |
Standards | BS EN 60898 BS 7671 EN 50274/60529 |
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.