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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)

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Switch Gear (266)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 241–260 of 2370 results

FuseBox AREG FuseBox AREG Rear Entry Push-In Cable Gland

FuseBox AREG Rear Entry Push-In Cable Gland – Pack of 5
36 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: AREG
£2.95
Garo GS8EV40PME EV Consumer Unit with PEN Fault Detection | B40A RCBO Type A + SPD

Garo GS8EV40PME EV Consumer Unit with PEN Fault Detection | B40A RCBO Type A + SPD
9 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: GS8EV40PME
£115.00
FuseBox EV32ABDZ 32A EV Charger Consumer Unit with SPD and Bi-Directional RCBOFuseBox | EV32ABDZ | EV Charger Consumer Unit with SPD and Bi-Directional RCBO | 32A

FuseBox | EV32ABDZ | EV Charger Consumer Unit with SPD and Bi-Directional RCBO | 32A
2 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: EV32ABDZ
£62.32
FuseBox RTA101030C 10A 30mA 10kA C Curve Type A RCBO

FuseBox | RTA101030C | 10kA | 30mA | Curve C | Type A RCBO | 10A
10 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA101030C
£15.99
Niglon RCBO1-32/30SAX2 32A RCBO – Type A, Curve B, 30mA, 6kA, Bi-Directional, Compact 18mm RCBO.

Niglon RCBO1-32/30SAX2 32A Curve B 30mA Bi-Directional A Type RCBO
8 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RCBO1-32/30SAX2
£12.78
WCED WME10 WCED 10 Way Metal Enclosure 1

WCED 10 Way Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME10
Quantity Discount
Quantity Price
1 - 4 £25.56
5+ £24.92
10+ £24.28
20+ £23.64
£25.56
FuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOsFuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOs 2

FuseBox F3007MZ 7 Way SPD Consumer Unit Kit – with 5 RCBOs
In Stock
SKU: F3007MZ/5RCBO
£106.86 £104.92
Fusebox ABTR Bell Transformer

Fusebox ABTR Bell Transformer
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: ABTR
£7.24
Live Electrical CB140C Live Electrical CB140C 40A Curve C 10kA MCB 1

Live Electrical | CB140C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 40A
15 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB140C
£2.95
WCED WAC2P63 WCED 2 Pole 63A 2NO AC Contactor

WCED WAC2P63 – 2 Pole 63A 2NO 230V AC Modular Contactor
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC2P63
Quantity Discount
Quantity Price
1 - 2 £10.95
3+ £10.68
5+ £10.40
10+ £10.13
20+ £9.85
£10.95
WCED 4 Pole 125A 230V/400V NO Normally Open AC Modular Contactor

WCED WAC4P125 – 4 Pole 125A 4NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WAC4P125
Quantity Discount
Quantity Price
1 - 2 £48.81
3+ £47.59
5+ £46.37
10+ £45.15
20+ £43.93
£48.81
Live Electrical 5 Way SPD Metal Consumer Unit Kit with 4 RCBOs

Live Electrical 5 Way SPD Metal Consumer Unit Kit with 4 RCBOs
In Stock
SKU: LSMC8M-SP/4RCBO
£75.91
Live Electrical MS2100D 2 Pole 100A Double Terminal Main Switch

Live Electrical MS2100D 2 Pole 100A Double Terminal Main Switch
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MS2100D
£5.49
WCED WHA865 WCED 8 Way Empty Plastic Enclosure 1

WCED 8 Way Empty Plastic Enclosure
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WHA865
Quantity Discount
Quantity Price
1 - 4 £11.50
5+ £11.21
10+ £10.93
20+ £10.64
£11.50
WCED WPEPME08/C40 PME / PEN Fault Detection IP65 Unit 6 Mod c/w C40 RCBO /4P63A Contactor & PME Relays

PME / PEN Fault Detection IP65 Unit 6 Mod c/w C40 RCBO /4P63A Contactor & PME Relays
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WPEPME08/C40
Quantity Discount
Quantity Price
1 £73.97
2+ £71.75
3+ £70.27
£73.97
Live Electrical RNC40B-30N – 40A Double Pole Single Module RCBO

Live Electrical | RNC140B-030N | 6kA 30mA | Type A B Curve | Bi-Directional Double Pole RCBO | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNC140B-030N
£9.75
Live Electrical CB150C Live Electrical CB150C 50A Curve C 10kA MCB 1

Live Electrical | CB150C | 10kA | Curve C | 1 Pole Bi-Directional MCB | 50A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CB150C
£2.95
Live Electrical EN4030/200 IP65 Metal Enclosure H:400 x W:300 x D:200mm

Live Electrical EN4030/200 IP65 Metal Enclosure H:400 x W:300 x D:200mm
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: EN4030/200
£46.75
WCED WMEPME06/C40 PME Fault Detection Unit 6 Mod c/w C40 RCBO /4P63A contactor & PME Relays 1

PME / PEN Fault Detection Unit 6 Mod c/w C40 RCBO /4P63A contactor & PME Relays
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEPME06/C40
Quantity Discount
Quantity Price
1 £85.13
2+ £82.58
3+ £80.87
£85.13
Live Electrical LSMC14M-SP Live Electrical 11 Way SPD Metal Consumer Unit 1Live Electrical LSMC14M-SP Live Electrical 11 Way SPD Metal Consumer Unit 2

Live Electrical 11 Way SPD Metal Consumer Unit
11 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: LSMC14M-SP
Quantity Discount
Quantity Price
1 £46.12
2+ £45.20
3+ £44.51
£46.12

Showing 241–260 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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