VAT:

Circuit Protection

Showing 801–820 of 2380 results

Garo DCBOGRC32 30mA Type A Compact RCBO 32A C Curve

8 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: DCBOGRC32
£10.99

Garo DST2-275-2 2 Pole 1 Module Class 11 Type 2 SPD 275V 20KA

4 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: DST2-275-2
£14.77

Garo GK20-1NO1NC 2 Pole 20A 1 Normally Open / 1 Normally Closed AC Modular Contactor

1 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: GK20-1NO1NC
£11.25

FuseBox | R3PN10B5030BD | 10kA | 30mA | Curve B | 3P+N Bi-Directional RCBO | 50A

5 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: R3PN10B5030BD
£64.72

Switchtec SMC-10020-240 100A Contactor – 2NO 240V AC Coil

2 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: SMC-10020-240
£34.55

Garo | SIAC480IP65 | 80A 4P | IP65 Rotary Isolator Switch

1 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: SIAC480IP65
£30.55

WCED WRT140C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 40A

1 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: WRT140C-030
£10.97

Hager | VAT10 | Terminal Bar 10 Way with Two Support Clips

4 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: VAT10
£7.84

Timeguard | TX2406 | B Curve | 6kA | Type A RCBO | 6A

4 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: TX2406
£12.09

Timeguard | TX2516 | B Curve | 6kA | Type A Bi-Directional RCBO | 16A

1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: TX2516
£15.10

Timeguard | TX2532 | B Curve | 6kA | Type A Bi-Directional RCBO | 32A

1 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: TX2532
£15.10

Axiom | SF63N | 63A 415V IP54 | Three Phase Switch Fuse

1 In Stock
This item cannot be back-ordered
SKU: SF63N
£110.11

FuseBox | MAFDD064030B | 6kA | 30mA | 40A Mini AFDD

5 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: MAFDD064030B
£79.99

FuseBox | AGSW | Strip Grommet | White | 5m

5 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: AGSW
£4.68

Hager | VME012 | Design Evo | 12 Way DIN Rail Enclosure

1 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: VME012
£31.87

Hager | ADB910R | 1P+N | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 10A

23 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: ADB910R
£13.55
Live Electrical LSMC18S-SP SRN Consumer Unit

Live Electrical | LSMC18S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 15 Way

14 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC18S-SP
Quantity Discount
Quantity Price
1 £66.56
2+ £63.90
3+ £62.57
£66.56
Live Electrical DPN100A9 100A Double Pole Busbar

Live Electrical | DPN100A9 | 100A Double Pole Busbar | 7 Way | For SRN Consumer Units

8 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: DPN100A9
£7.38
Live Electrical CN132C 2P Bi-Directional C Curve 32A MCBLive Electrical | CN132C | 2P Bi-Directional MCB | C Curve | 32A | For SRN Consumer Units

Live Electrical | CN132C | 2P Bi-Directional MCB | C Curve | 32A | For SRN Consumer Units

4 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: CN132C
£5.99
Live Electrical CN140C 2P Bi-Directional C Curve 40A MCBLive Electrical | CN140C | 2P Bi-Directional MCB | C Curve | 40A | For SRN Consumer Units

Live Electrical | CN140C | 2P Bi-Directional MCB | C Curve | 40A | For SRN Consumer Units

6 In Stock
This item cannot be back-ordered
SKU: CN140C
£5.99

Showing 801–820 of 2380 results

Selection of Consumer Units, TPN Distribution Boards, Circuit Protection, Rotary Isolators, Meter Tails, Fused Switches and Accessories.

18th Edition Consumer Units with built in SPD Surge Protection Device, stand alone SPD units, PEN loss, PME fault detection consumer units, Consumer units relocation boxes/kits, Three phase distribution boards with built in SPD and main switch.

Thousands of products in stock ready for next day delivery. Friendly and reliable service, competitive prices.

Circuit protection in the UK is governed by the wiring regulations outlined in the British Standard BS 7671. This standard, also known as the IET Wiring Regulations, sets out the requirements for the design, installation, and maintenance of electrical installations in the UK. Circuit protection is a crucial aspect of electrical installations to ensure the safety of people and property.

Here are some key aspects of circuit protection according to BS 7671 and the devices commonly used in the UK market:

  1. Circuit Breakers: Circuit breakers are essential devices for protecting electrical circuits. BS 7671 specifies requirements for the selection and installation of circuit breakers. They come in various types, including:
    • Miniature Circuit Breakers (MCBs): MCBs are commonly used to protect individual circuits. They trip when there’s an overload or a short circuit.
    • Residual Current Devices (RCDs): RCDs are designed to protect against electric shock. They disconnect the circuit if they detect an imbalance in current, indicating a fault.
    • Combination RCD/MCB Devices: These devices combine the functions of both MCBs and RCDs in a single unit. They are often used for socket outlets.
  2. Fuses: While less common in modern installations, fuses may still be used for circuit protection. They work by melting when there’s an excess current, breaking the circuit.
  3. Overcurrent Protection: BS 7671 requires that circuits are protected against overcurrents. This is typically achieved through the use of circuit breakers, fuses, or other protective devices.
  4. Earthing and Bonding: Proper earthing and bonding are essential for safety. This ensures that in the event of a fault, the fault current is safely directed away from people and property.
  5. Surge Protection: Surge protection devices may be required to protect against voltage surges or lightning strikes, especially for sensitive electronic equipment.
  6. Arc Fault Detection: In certain installations, arc fault detection devices may be used to detect and disconnect circuits in the presence of dangerous arc faults.
  7. Circuit Isolation: BS 7671 also specifies requirements for circuit isolation devices such as switches and isolators.
  8. Cable Sizing: The standard provides guidelines for selecting the correct cable size to ensure that the cables can safely carry the intended load without overheating.
  9. Circuit Labels and Documentation: Proper labeling and documentation of circuits are important for maintenance and safety. BS 7671 outlines requirements for labeling and record-keeping.

It’s important to note that regulations and standards may be updated over time, so it’s essential to consult the latest version of BS 7671 and any local regulations or codes that may apply to your specific location or type of installation. Additionally, electrical work should be carried out by qualified and competent electricians to ensure compliance with safety standards.