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Fusebox 10kA MCBs

Showing 1–20 of 72 results

Fusebox 10kA MCBs 1 Pole - Curve B

Fusebox 10kA MCBs 1 Pole - Curve B (9)

Fusebox 10kA MCBs 1 Pole - Curve C

Fusebox 10kA MCBs 1 Pole - Curve C (9)

Fusebox 10kA MCBs 1 Pole - Curve D

Fusebox 10kA MCBs 1 Pole - Curve D (9)

Fusebox 10kA MCBs 2 Pole - Curve C

Fusebox 10kA MCBs 2 Pole - Curve C (9)

Fusebox 10kA MCBs 2 Pole - Curve D

Fusebox 10kA MCBs 2 Pole - Curve D (9)

Fusebox 10kA MCBs 3 Pole - Curve B

Fusebox 10kA MCBs 3 Pole - Curve B (9)

Fusebox 10kA MCBs 3 Pole - Curve C

Fusebox 10kA MCBs 3 Pole - Curve C (9)

Fusebox 10kA MCBs 3 Pole - Curve D

Fusebox 10kA MCBs 3 Pole - Curve D (9)

Single Pole 10kA Fusebox RCBO - Curve B

FuseBox 6A Single Pole 10kA B Curve MCB

FuseBox 6A Single Pole 10kA B Curve MCB

29 In stock
More Available within 2-3 Working Days*
SKU: MT10B061
£3.22 £3.86
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FuseBox 10A Single Pole 10kA B Curve MCB

FuseBox 10A Single Pole 10kA B Curve MCB

10 In stock
More Available within 2-3 Working Days*
SKU: MT10B101
£3.22 £3.86
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FuseBox 16A Single Pole 10kA B Curve MCB

FuseBox 16A Single Pole 10kA B Curve MCB

Usually Dispatched within 2-4 Working Days*
SKU: MT10B161
£3.22 £3.86
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FuseBox 20A Single Pole 10kA B Curve MCB

FuseBox 20A Single Pole 10kA B Curve MCB

5 In stock
More Available within 2-3 Working Days*
SKU: MT10B201
£3.22 £3.86
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FuseBox 20A Single Pole 10kA B Curve MCB

FuseBox 25A Single Pole 10kA B Curve MCB

12 In stock
More Available within 2-3 Working Days*
SKU: MT10B251
£3.22 £3.86
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FuseBox 32A Single Pole 10kA B Curve MCB

FuseBox 32A Single Pole 10kA B Curve MCB

35 In stock
More Available within 2-3 Working Days*
SKU: MT10B321
£3.22 £3.86
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FuseBox 40A Single Pole 10kA B Curve MCB

FuseBox 40A Single Pole 10kA B Curve MCB

7 In stock
More Available within 2-3 Working Days*
SKU: MT10B401
£3.22 £3.86
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FuseBox 50A Single Pole 10kA B Curve MCB

FuseBox 50A Single Pole 10kA B Curve MCB

11 In stock
More Available within 2-3 Working Days*
SKU: MT10B501
£3.34 £4.01
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FuseBox 63A Single Pole 10kA B Curve MCB

FuseBox 63A Single Pole 10kA B Curve MCB

6 In stock
More Available within 2-3 Working Days*
SKU: MT10B631
£3.34 £4.01
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Single Pole 10kA Fusebox RCBO - Curve C

FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 6A Single Pole 10kA C Curve MCB

7 In stock
More Available within 2-3 Working Days*
SKU: MT10C061
£3.22 £3.86
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FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 10A Single Pole 10kA C Curve MCB

7 In stock
More Available within 2-3 Working Days*
SKU: MT10C101
£3.22 £3.86
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FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 16A Single Pole 10kA C Curve MCB

4 In stock
More Available within 2-3 Working Days*
SKU: MT10C161
£3.22 £3.86
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FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 20A Single Pole 10kA C Curve MCB

12 In stock
More Available within 2-3 Working Days*
SKU: MT10C201
£3.22 £3.86
Add to quote
FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 25A Single Pole 10kA C Curve MCB

12 In stock
More Available within 2-3 Working Days*
SKU: MT10C251
£3.22 £3.86
Add to quote
FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 32A Single Pole 10kA C Curve MCB

11 In stock
More Available within 2-3 Working Days*
SKU: MT10C321
£3.22 £3.86
Add to quote
FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 40A Single Pole 10kA C Curve MCB

11 In stock
More Available within 2-3 Working Days*
SKU: MT10C401
£3.22 £3.86
Add to quote
FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 50A Single Pole 10kA C Curve MCB

11 In stock
More Available within 2-3 Working Days*
SKU: MT10C501
£3.34 £4.01
Add to quote
FuseBox 6A Single Pole 10kA C Curve MCB

FuseBox 63A Single Pole 10kA C Curve MCB

8 In stock
More Available within 2-3 Working Days*
SKU: MT10C631
£3.34 £4.01
Add to quote

Single Pole 10kA Fusebox RCBO - Curve D

FuseBox 6A Single Pole 10kA D Curve MCB

FuseBox 6A Single Pole 10kA D Curve MCB

12 In stock
More Available within 2-3 Working Days*
SKU: MT10D061
£3.22 £3.86
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FuseBox 6A Single Pole 10kA D Curve MCB

FuseBox 10A Single Pole 10kA D Curve MCB

12 In stock
More Available within 2-3 Working Days*
SKU: MT10D101
£3.22 £3.86
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Ideas & Inspiration

Get a head start on your projects with our handy ideas and inspiration posts, we have created some helpful guides to help you make the right decisions before buy. Stay current with the latest electrical tips on our blog.

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In the UK, for three-phase electrical installations in accordance with BS 7671, miniature circuit breakers (MCBs) are commonly used as protective devices. The “10kA” rating you mentioned likely refers to the breaking capacity (also known as the short-circuit rating) of the MCB.

Here are some considerations for selecting 10kA MCBs for three-phase installations in compliance with BS 7671:

  1. Breaking Capacity (kA): The 10kA rating indicates that the MCB can safely interrupt fault currents up to 10,000 amperes. This is suitable for many domestic and commercial installations. However, as mentioned earlier, it’s crucial to determine the prospective fault current at the installation location. If the calculated prospective fault current exceeds 10kA, you may need MCBs with a higher breaking capacity.
  2. Pole Configuration: For three-phase installations, you typically use three-pole MCBs. These MCBs are designed to disconnect all three phases simultaneously in the event of a fault.
  3. Current Rating (Amperes): Ensure that the MCBs’ rated current (in amperes) matches the connected loads and the capacity of the wiring. You should perform a load analysis to determine the appropriate current rating for each MCB.
  4. Type: MCBs come in different types, including Type B, Type C, and Type D, each with varying tripping characteristics. The choice of type depends on the specific application and the nature of the connected loads. Refer to BS 7671 and manufacturer guidelines for guidance on MCB type selection.
  5. Coordination: Consider coordination with other protective devices in the distribution system to ensure that the MCB closest to a fault operates before any upstream devices. This helps prevent nuisance tripping and improves overall system reliability.
  6. Manufacturer Recommendations: Follow the manufacturer’s recommendations and data sheets for their specific MCB products. Manufacturers often provide information on compatibility, settings, and application guidelines.
  7. Regulations Compliance: Ensure that your selection and installation of MCBs comply with the latest edition of BS 7671 (the Wiring Regulations) and any local regulations or standards applicable in your area.

It’s important to consult with a qualified electrical engineer or electrician who is knowledgeable about local regulations and has experience with three-phase installations to ensure that your selection and installation of MCBs are safe, compliant, and suitable for your specific application. Additionally, consider conducting a fault current analysis to accurately determine the prospective fault current at your installation location, as this information is critical for selecting the appropriate breaking capacity for your MCBs.

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