VAT:

Circuit Protection

Showing 581–600 of 2380 results

Garo GP4100M 4 Pole 100A Meter Supply Isolator

6 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: GP4100M
£15.17

Garo GCUT6 6 Module IP65 Plastic Enclosure

2 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: GCUT6
£16.78

FuseBox | R3PN10B4030BD | 10kA | 30mA | Curve B | 3P+N Bi-Directional RCBO | 40A

5 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: R3PN10B4030BD
£64.72

Timeguard | TX2432 | B Curve | 6kA | Type A RCBO | 32A

2 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: TX2432
£12.09

FuseBox | MAFDD060630B | 6kA | 30mA | 6A Mini AFDD

13 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: MAFDD060630B
£79.99

Hager | ADB916R | 1P+N | 6kA | 30mA | B Curve | Type A Bidirectional RCBO | 16A

14 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: ADB916R
£13.55
Live Electrical LSMC10S-SP SRN Consumer UnitLive Electrical | LSMC10S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 7 Way

Live Electrical | LSMC10S-SP | SRN | Double Pole Busbar Consumer Unit | Type 2 SPD | 7 Way

8 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: LSMC10S-SP
Quantity Discount
Quantity Price
1 £51.26
2+ £49.21
3+ £48.18
£51.26

Hager NBN306A 3 Pole MCB Type B 6A 10kA

1 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: NBN306A
£38.80

Hager JK125BSP 125A Single Phasing Kit

3 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: JK125BSP
£22.90

 Hager ADA156U RCBO 10kA C-6A 30mA Type A

2 In Stock
This item cannot be back-ordered
SKU: ADA156U
£30.99

Hager NCN316A 3 Pole MCB Type C 16A 10kA

11 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: NCN316A
£37.71

Fusebox | EV32A | EV Charger Supply Unit | Type A RCBO | 32A

1 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: EV32A
£41.62

Live Electrical SA220 2 Pole 10kA/20kA Type 2 SPD Surge Protective Device

6 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: SA220
£15.95

WCED WAC4P63NC/24 – 4 Pole 63A 4NC 24V AC Modular Contactor

2 In Stock
This item cannot be back-ordered
SKU: WAC4P63NC/24
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16

FuseBox MT10B251 25A Single Pole 10kA B Curve MCB

20 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: MT10B251
£3.22

FuseBox MT10D321 32A Single Pole 10kA D Curve MCB

8 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: MT10D321
£3.22

FuseBox | RTA105030B | 10kA | 30mA | Curve B | Type A RCBO | 50A

11 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: RTA105030B
£15.99

Surge Devices SPDPV600 Type 2 PV SPD for Solar Installations up to 600V

1 In Stock
More available within:
Usually 3 - 4 Working Days
Read More
SKU: SPDPV600
Quantity Discount
Quantity Price
1 £77.49
2+ £75.94
3+ £75.17
£77.49

Hager | ADC920R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 20A

1 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: ADC920R
£19.70

FuseBox RTF800302 Type F RCD 80A 30mA 2P

1 In Stock
More available within:
Usually 2 - 4 Working Days
Read More
SKU: RTF800302
£52.00

Showing 581–600 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.