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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 461–480 of 2370 results

Hager ADB416U Hager ADB416U RCBO 10kA B-16A 30mA Type A

Hager ADB416U RCBO 10kA B-16A 30mA Type A
3 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ADB416U
£37.99
FuseBox RTAMC06BD Bi-Directional

FuseBox | RTAMC06BD | 30mA | Curve C | Type A Bi-Directional Mini RCBO | 6A
24 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMC06BD
£14.34
FuseBox E2PMST2 100A Meter Isolator Switch with SPD

FuseBox | E2PMST2 | DP 100A | Electricity Meter Isolator Switch with Type 2 SPD
26 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: E2PMST2
Quantity Discount
Quantity Price
1 £27.99
2+ £27.71
4+ £27.43
£27.99
Hager JK1PLATEM Spare Gland Plate 1.2mm

Hager JK1PLATEM Spare Gland Plate 1.2mm
3 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: JK1PLATEM
£25.97
WCED 2 Pole 230V 100A NO Normally Open AC Modular Contactor

WCED WAC2P100 – 2 Pole 100A 2NO 230V AC Modular Contactor
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC2P100
Quantity Discount
Quantity Price
1 - 2 £17.80
3+ £17.36
5+ £16.91
10+ £16.47
20+ £16.02
£17.80
WCED 4 Pole 230/400V 63A NO Normally Open AC Modular Contactor

WCED WAC4P63 – 4 Pole 63A 4NO 230V AC Modular Contactor
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC4P63
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
Live Electrical CH1100C-1 Live Electrical CH1100C 100A Curve C 6kA MCB 1

Live Electrical | CH1100C-1 | 6kA | Curve C | 1 Pole Bi-Directional MCB | 100A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CH1100C-1
£4.99
FuseBox MT10B201 FuseBox MT10B201 20A Single Pole 10kA B Curve MCB

FuseBox MT10B201 20A Single Pole 10kA B Curve MCB
17 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B201
£3.22
FuseBox MT10C202 FuseBox MT10C202 20A Double Pole 10kA C Curve MCB

FuseBox MT10C202 20A Double Pole 10kA C Curve MCB
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: MT10C202
£6.68
Live Electrical AGU4-SR/W IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – White

Live Electrical AGU4-SR/W IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – White
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: AGU4-SR/W
Quantity Discount
Quantity Price
1 - 2 £52.92
3+ £51.60
5+ £50.27
10+ £48.95
£52.92
FuseBox RTAMC40BD Bi-Directional

FuseBox | RTAMC40BD | 30mA | Curve C | Type A Bi-Directional Mini RCBO | 40A
28 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMC40BD
£14.34
Live Electrical CB216C 2 Pole MCB 16A C Curve

Live Electrical | CB216C | 10kA | Curve C | 2 Pole Bi-Directional MCB | 16A
12 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: CB216C
£5.89
WCED WKC116B 10kA 1 Pole MCB Curve B 16A

WCED | WKC116B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC116B
£2.96
WCED WKC163B 10kA 1 Pole MCB Curve B 63A

WCED | WKC163B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 63A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC163B
£2.96
WCED WKC316C 10kA 3 Pole MCB Curve C 16A

WCED | WKC316C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 16A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC316C
£8.61
Live Electrical AMR132C-030 30mA 6kA Type A C Curve 32A Bi-Directional RCBO

Live Electrical | AMR132C-030 | 6kA 30mA | Type A C Curve | Bi-Directional RCBO | 32A
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: AMR132C-030
£8.66
WCED 13 Way SPD Metal Consumer Unit

WCED | WME16/SP | SPD Consumer Unit | 13 Way
5 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WME16/SP
£46.31
FuseBox MT10C251 FuseBox MT10C251 25A Single Pole 10kA C Curve MCB

FuseBox MT10C251 25A Single Pole 10kA C Curve MCB
14 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C251
£3.22
FuseBox ABEC Fusebox ABEC TPN Busbar End Caps (Pack of 30)

Fusebox ABEC TPN Busbar End Caps (Pack of 30)
20 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: ABEC
£0.90
Hager ADC410U Hager ADC410U RCBO 10kA C-10A 30mA Type A

Hager ADC410U RCBO 10kA C-10A 30mA Type A
3 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ADC410U
£37.99

Showing 461–480 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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