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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)

Switch Fuses - Isolators

Switch Fuses - Isolators (176)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 1441–1460 of 2370 results

Garo 2 Pole 20A 1NO/1NC AC Contactor

Garo GK20-1NO1NC 2 Pole 20A 1 Normally Open / 1 Normally Closed AC Modular Contactor
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GK20-1NO1NC
£11.25
Garo 2 Pole 32A NO AC-DC Contactor

Garo GK32-2NO – 2 Pole 32A 2NO 230V AC / 220V DC Modular Contactor
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GK32-2NO
£21.89
Garo 4 Pole 63A NO AC-DC Contactor

Garo GK63-4NO – 4 Pole 63A 4NO 230V AC / 220V DC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: GK63-4NO
£59.61
FuseBox R3PN10B5030BD Curve B 3 Phase 50A RCBOFuseBox 3 Phase RCBO - Front

FuseBox | R3PN10B5030BD | 10kA | 30mA | Curve B | 3P+N Bi-Directional RCBO | 50A
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: R3PN10B5030BD
£64.72
Switchtec SMC-10020-240 100A Contactor

Switchtec SMC-10020-240 100A Contactor – 2NO 240V AC Coil
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SMC-10020-240
£34.55
Garo SIAC420IP65 20A 4 Pole IP65 Rotary Isolator Switch

Garo | SIAC420IP65 | 20A 4P IP65 | Rotary Isolator Switch
7 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SIAC420IP65
£12.64
Garo SIAC480IP65 80A 4P IP65 Rotary Isolator Switch

Garo | SIAC480IP65 | 80A 4P | IP65 Rotary Isolator Switch
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: SIAC480IP65
£30.55
Niglon T060G26 Titan Type Cut-Out

Niglon | T060G26 | Titan Type Cut-Out | Double Pole | Street Lighting
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: T060G26
£35.63
FuseBox 125A 3P+N IP65 Metal Isolator Switch

FuseBox | TPNI125 | 3P+N | IP65 | Metal Isolator Switch | 125A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: TPNI125
£140.66
WCED Whitecliffe WME10/SOL1 Solar Consumer UnitWCED Whitecliffe WME10/SOL1 Solar Consumer Unit

WCED | WME10/SOL1 | 20A Bi-Directional RCBO | 32A Rotary Isolator | kWh Meter
Out of Stock
ETA 15/07/26
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SKU: WME10-SOL1
£85.21
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WCED WKC440B 10kA 4 Pole MCB Curve B 40A

WCED | WKC440B | 10kA | Curve B | 4 Pole Bi-Directional MCB | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC440B
£11.45
WCED WKC432C 10kA 4 Pole MCB Curve C 32A

WCED | WKC432C | 10kA | Curve C | 4 Pole Bi-Directional MCB | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC432C
£11.45
WCED WKC440C 10kA 4 Pole MCB Curve C 40A

WCED | WKC440C | 10kA | Curve C | 4 Pole Bi-Directional MCB | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC440C
£11.45
WCED WKC225C 10kA 2 Pole MCB Curve C 25A

WCED | WKC225C | 10kA | Curve C | 2 Pole Bi-Directional MCB | 25A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC225C
£5.82
WCED WKC232C 10kA 2 Pole MCB Curve C 32A

WCED | WKC232C | 10kA | Curve C | 2 Pole Bi-Directional MCB | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC232C
£5.82
WCED WRT140C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 40A

WCED WRT140C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 40A
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRT140C-030
£10.97
Bi-Directional 10kA Type A 30mA RCBO Curve B 40A

WCED WRT140B-030 Bi-Directional 10kA Type A 30mA RCBO Curve B 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WRT140B-030
£10.97
WCED 16 Way SPD TPN Distribution BoardWCED WTPN16-125 16 Way TPN 3 Phase and Neutral Distribution Board with SPD

WCED WTPN16-125 16 Way TPN 3 Phase and Neutral Distribution Board with SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WTPN16-125
£193.14
WCED 12 Way SPD TPN Distribution BoardWCED WTPN12-125 12 Way TPN 3 Phase and Neutral Distribution Board with SPD

WCED WTPN12-125 12 Way TPN 3 Phase and Neutral Distribution Board with SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WTPN12-125
£170.23
WCED WTPN04-125 4 Way TPN with SPDWCED WTPN04-125 4 Way TPN 3 Phase and Neutral Distribution Board with SPD

WCED WTPN04-125 4 Way TPN 3 Phase and Neutral Distribution Board with SPD
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WTPN04-125
£127.34

Showing 1441–1460 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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