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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)

EV Circuit Protection

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)

Switch Gear

Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 341–360 of 2370 results

FuseBox RTAMC20BD Bi-Directional

FuseBox | RTAMC20BD | 30mA | Curve C | Type A Bi-Directional Mini RCBO | 20A
15 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMC20BD
£14.34
Live Electrical 3P+N 32A B Curve 30mA Type A RCBO

Live Electrical 3P+N 32A B Curve 30mA Type A RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RTN332B-030N
£45.15
FuseBox F3004M 4 Way RCBO Consumer Unit

FuseBox F3004M 4 Way RCBO Consumer Unit
4 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: F3004M
£22.77
FuseBox F2015M 15 Way RCBO Consumer Unit

FuseBox F2015M 15 Way RCBO Consumer Unit
4 In Stock
This item cannot be back-ordered
SKU: F2015M
£40.90 £35.17
Live Electrical CH3100C Live Electrical CH3100C 3 Pole 100 Amp C curve 10kA MCB

Live Electrical | CH3100C | 6kA | Curve C | 3 Pole Bi-Directional MCB | 100A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CH3100C
£11.99
WCED WRB120C-030 WCED Type A High Immunity Curve C 20A 30mA RCBO 1

WCED Type A High Immunity Curve C 20A 30mA RCBO
9 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRB120C-030
£9.00
Fusebox TPN07FBX

Fusebox TPN07FBX 7 Way 125A Three Phase Board with SPD
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: TPN07FBX
£197.30
Live Electrical LSMC10M-SP Live Electrical 7 Way SPD Metal Consumer Unit 1

Live Electrical 7 Way SPD Metal Consumer Unit
7 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: LSMC10M-SP
Quantity Discount
Quantity Price
1 £41.90
2+ £41.06
3+ £40.43
£41.90
Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs

Live Electrical 3 Way SPD Metal Garage Consumer Unit Kit with 2 RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LSMC6M-SP/2RCBO
£54.00
Hager KF81A Connection Terminal 1P Prong 1x25mm² - Pack of 1

Hager KF81A Connection Terminal 1P Prong 1x25mm² – Pack of 1
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: KF81A
£4.67
Live Electrical WS18-32 Live Electrical Single Pole 32A Rail Mount Fuse Holder Without Fuse 1

Live Electrical Single Pole 32A Rail Mount Fuse Holder Without Fuse
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: WS18-32
£2.50
WCED 9 Way SPD Metal Consumer Unit

WCED | WME12/SP | SPD Consumer Unit | 9 Way
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME12/SP
£42.17
WCED WKC120B 10kA 1 Pole MCB Curve B 20A

WCED | WKC120B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 20A
10 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WKC120B
£2.96
TPNH03-100S Horizontal TP&N SPD Distribution BoardTPNH03-100S 2 Way Horizontal TP&N Distribution Board – 100A 4 Pole Main Switch with Type 2 SPD

Live Electrical | TPNH03-100S | 2 Way Horizontal TP&N Distribution Board | 100A 4 Pole Main Switch | Type 2 SPD
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: TPNH03-100S
£92.57
Live Electrical MCFS100 Live Electrical 125A Fused Switch With Metal Lid 1

Live Electrical 125A Fused Switch With Metal Lid
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MCFS100
£25.90
Live Electrical MAC4P63 Live Electrical MAC4P63 63A Modular AC Contactor 4 Pole NO 1

Live Electrical MAC4P63 – 4 Pole 63A 4NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MAC4P63
£18.99
WCED 2 Pole 230V 20A NO Normally Open AC Modular Contactor

WCED WAC2P20 – 2 Pole 20A 2NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WAC2P20
Quantity Discount
Quantity Price
1 - 2 £6.22
3+ £6.06
5+ £5.91
10+ £5.75
20+ £5.60
£6.22
WCED WMCUSP432B 3 Phase SPD with 32A Curve B 4 Pole MCB

WCED WMCUSP432B 3 Phase SPD with 32A Curve B 4 Pole MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WMCUSP432B
£51.38
WCED WER20C-030 WCED Double Pole Type A 30mA RCBO Curve C - 20A

WCED Double Pole Type A 30mA RCBO Curve C – 20A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WER20C-030
£15.09
Live Electrical DCM216C 2 Pole C Curve 6kA 16A 600V DC MCB

Live Electrical DCM216C 2 Pole C Curve 6kA 16A 600V DC MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: DCM216C
£9.50

Showing 341–360 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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