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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (1941)

Consumer Units

Consumer Units (477)

Circuit Protection Devices

Circuit Protection Devices (1068)

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EV Circuit Protection (109)

SPD Surge Protection Devices

SPD Surge Protection Devices (124)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

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Switch Fuses - Isolators (176)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 121–140 of 2370 results

WCED WAC2P32/1M 2 Pole 32A NO Normally Open AC Modular Contactor - 1 Module

WCED WAC2P32/1M – 2 Pole 32A 2NO 230V AC 1-Module Modular Contactor
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC2P32/1M
Quantity Discount
Quantity Price
1 - 2 £10.95
3+ £10.68
5+ £10.40
10+ £10.13
20+ £9.85
£10.95
Fusebox SCO125SWB 125A Changeover Switch And Busbar

Fusebox SCO125SWB 125A Changeover Switch And Busbar
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: SCO125SWB
£19.50
WCED IP65 EV Consumer Unit WPRC32BSPIP65 EV Consumer Unit with Type A DP B32 RCBO and SPD 2

WCED | WPRC32BSP | IP65 EV Consumer Unit | Type A DP 32A B Curve RCBO & SPD
17 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WPRC32BSP
Quantity Discount
Quantity Price
1 - 2 £29.99
3+ £29.39
5+ £28.79
10+ £27.59
£29.99
Live Electrical CB120C Live Electrical CB120C 20A Curve C 10kA MCB 1

Live Electrical | CB120C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 20A
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB120C
£2.95
FuseBox RTAMC06 6A Mini Type A RCBO

FuseBox RTAMC06 6A Mini Type A RCBO
34 In Stock
This item cannot be back-ordered
SKU: RTAMC06
£13.50 £12.49
WCED WME3L/32 WCED Mini CU 3 Way Empty Enclosure 1

WCED Mini CU 3 Way Empty Enclosure
12 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME3L/32
Quantity Discount
Quantity Price
1 - 4 £7.70
5+ £7.51
10+ £7.32
20+ £7.12
£7.70
Live Electrical CB316C Live Electrical CB316C 3 Pole 16A C Curve 10kA MCB 1

Live Electrical | CB316C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CB316C
£8.37
Live Electrical 15 Way SPD Metal Consumer Unit Kit c/w 11 RCBOs

Live Electrical 15 Way SPD Metal Consumer Unit Kit c/w 11 RCBOs
In Stock
SKU: LSMC18M-SP/11RCBO
£142.65
FuseBox RTA062530B 30mA Curve B 25A Type A RCBO

FuseBox | RTA062530B | 6kA | 30mA | Curve B | Type A RCBO | 25A
49 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA062530B
£9.99
WCED WSPDT2-CB 1 Module 20kA/40kA 2 Pole SPD Kit for Consumer Units

WCED WSPDT2-CB 1 Module 20kA/40kA 2 Pole SPD Kit for Consumer Units
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WSPDT2-CB
£15.24
Garo DNO5E 100A green 5 way terminal block designed for protective earth wiring, compatible with 2.5mm² to 35mm² cables in electrical installations.

Garo DNO5E 100A 5 Way Green Terminal Block
40 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DNO5E
Quantity Discount
Quantity Price
1 - 9 £3.50
10+ £3.40
20+ £3.33
50+ £3.26
£3.50
Live Electrical CB332B Live Electrical CB332B 3 Pole 32A B Curve 10kA MCB 1

Live Electrical | CB332B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 32A
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB332B
£8.37
Live Electrical CB116C Live Electrical CB116C 16A Curve C 10kA MCB 1

Live Electrical | CB116C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 16A
6 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB116C
£2.95
WCED 2 Pole 100A Main Switch

WCED 2 Pole 100A Main Switch
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMS2100
£3.74
FuseBox RTA103230C 32A 10kA 30mA C Curve Type A RCBO

FuseBox | RTA103230C | 10kA | 30mA | Curve C | Type A RCBO | 32A
49 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA103230C
£15.99
WCED WMCUSP440C 3 Phase SPD with 40A Curve C 4 Pole MCB

WCED WMCUSP440C 3 Phase SPD with 40A Curve C 4 Pole MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMCUSP440C
£51.38
FuseBox MT06B161 16A MCB Curve B

FuseBox MT06B161 16A MCB Curve B
49 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT06B161
£1.95
FuseBox IT1002 FuseBox IT1002 100A Double Main Switch 1

FuseBox IT1002 100A Double Main Switch
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: IT1002
£4.15
Live Electrical CB110C Live Electrical CB110C 10A Curve C 10kA MCB 1

Live Electrical | CB110C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 10A
15 In Stock
More available within:
Usually 1 - 2 Working Days
Read More
SKU: CB110C
£2.95
Live Electrical 10kA RCBO 40A Curve B Type A 30mA 1P+N

Live Electrical 10kA RCBO 40A Curve B Type A 30mA 1P+N
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RA140B-030
£10.99

Showing 121–140 of 2370 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.

 






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