
Lewden E10-3B63 3 Module Triple Pole B Curve/Type B Miniature Circuit Breaker MCB 63A 10kA
E10-3B63
3 Module Triple Pole B Curve Type B MCB – 63A, 10kA for Reliable Three-Phase Circuit Protection
This high-performance triple-pole miniature circuit breaker (MCB) provides essential overcurrent protection for three-phase electrical systems. Featuring a B curve tripping characteristic and 10kA breaking capacity, it is ideal for residential, commercial, and light industrial applications, ensuring enhanced safety and compliance.
- Triple Pole Design: Protects all three phases in a compact 3-module configuration for balanced circuit protection.
- B Curve Tripping Characteristic: Suitable for general applications, offering protection against short circuits and moderate inrush currents.
- 63A Rated Current: Designed for three-phase circuits requiring precise overcurrent protection.
- 10kA Breaking Capacity: Provides robust protection against high fault currents for increased reliability.
- Quick & Secure Installation: DIN rail mounting for easy integration into distribution boards.
Technical Specification
- Configuration: Triple Pole (3P)
- Tripping Curve: B Curve
- Rated Current: 63A
- Breaking Capacity: 10kA
- Mounting: DIN Rail
- Standards Compliance: IEC/EN 60898-1
✅ Ensure superior protection for three-phase circuits with this durable and high-performance MCB!

Trip Type | B Curve |
Short Circuit Rating | 10kA |
Product | MCB |
Type | Triple Pole |
Current Rating | 63A |
Number Of Poles | Triple Pole (3P) |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
Solar Panels, Batteries and Inverters
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**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
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