Lewden Miniature Circuit Breaker - 6KA, 1 Pole, B Type, 20A

The Lewden range of circuit protection devices are designed and tested for use with Lewden branded...

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City Plumbing GBLewden White 6Ka Miniature Circuit Breaker 1 Pole B Type 20A G06-1B20
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£3.64
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B&QB&Q - 20A Single Pole 6Ka B Curve Mcb
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Product Information

Full details

This guide is for electricians and technicians who need to understand and utilize the Lewden Single Pole 6kA B Curve MCB. The key benefit is reliable circuit protection against overloads and short circuits. Keep in mind that installation must be done by a qualified electrician in accordance with BS7671.

All features

Model Part NumberG06-1B20
BrandLewden

Extended Product Information

FAQs

What does a B curve MCB mean?

A B curve MCB is designed to trip quickly in response to short circuits and is suitable for circuits with low to moderate inrush currents.

What is the purpose of an MCB?

An MCB's purpose is to protect electrical circuits from overcurrent and short-circuit faults, preventing damage to wiring and appliances.

Where should I install the MCB?

Install the MCB within a distribution board or consumer unit, according to the manufacturer's instructions and local electrical codes.

Can I replace an MCB myself?

MCB installation and replacement must be performed by a qualified electrician to comply with safety regulations.

What is the voltage rating of the Lewden MCB?

The Lewden MCB has a voltage rating of 230V.

What is the short circuit rating?

The short circuit rating is 6kA.

How often should I test my MCB?

Regular testing is not usually required, but it's good practice to visually inspect the MCB periodically.

Troubleshooting

The MCB trips frequently.

Check for overloaded circuits, short circuits, or faulty appliances. Reduce the load on the circuit or repair/replace faulty devices.

The MCB won't switch on.

Check the wiring connections and ensure they are secure. Verify that the power supply is working correctly and that there is no fault in the circuit.

The MCB feels hot to the touch.

This could indicate an overload or loose connection. Check the load on the circuit and tighten the connections. If the problem persists, the MCB may need to be replaced.

The MCB is damaged.

Replace the damaged MCB with a new one of the same specifications.

Pros and Cons

Pros

  • Provides essential protection against electrical faults.
  • Suitable for a wide range of electrical systems (6A to 50A).
  • Easy to install on a DIN rail.
  • Complies with BS EN 60898 standards.
  • Compact and space-saving design.
  • Durable and reliable performance.

Cons

  • Requires professional installation by a qualified electrician.
  • Single pole design may not be suitable for all applications.
  • Limited to a 6kA short circuit rating.
  • Only compatible with Lewden distribution boards.
  • May require replacing the whole unit if faulty.
  • Not suitable for use in high-power applications.

Setup, Compatibility & Care

Setup:

  1. Ensure the power is turned off before installation.
  2. Mount the MCB on a DIN rail within the distribution board.
  3. Connect the incoming and outgoing wires to the appropriate terminals.
  4. Ensure all connections are secure and tightened to the recommended torque.
  5. After installation, switch on the MCB to restore power.

Compatibility:

  • The Lewden MCB is compatible with Lewden branded distribution boards.
  • It is suitable for use in electrical systems operating at 230V.
  • Ensure that the MCB's current rating matches the needs of the protected circuit (6A to 50A).

Care:

  • Regularly inspect the MCB for any signs of damage or wear.
  • Check the connections to ensure they remain tight and secure.
  • Avoid exposing the MCB to moisture or extreme temperatures.
  • If the MCB trips frequently, investigate the cause of the overload or short circuit.

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