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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 721–740 of 2370 results

FuseBox MT10B063 FuseBox MT10B063 6A Triple Pole 10kA B Curve MCB

FuseBox MT10B063 6A Triple Pole 10kA B Curve MCB
8 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B063
£9.51
FuseBox MT10B503 FuseBox MT10B503 50A Triple Pole 10kA B Curve MCB

FuseBox MT10B503 50A Triple Pole 10kA B Curve MCB
9 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10B503
£9.88
FuseBox TPNSPLFB Fusebox TPNSPLFB 125A Single Phasing Conversion Kit

Fusebox TPNSPLFB 125A Single Phasing Conversion Kit
7 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: TPNSPLFB
£1.99
Live Electrical AMR140C-030 30mA Type A 40A 6kA C Curve Bi-Directional RCBO

Live Electrical | AMR140C-030 | 6kA 30mA | Type A C Curve | Bi-Directional RCBO | 40A
1 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: AMR140C-030
£8.66
DDS353 45A Direct Connected kWh Meter

DDS353 45A Direct Connected MID Certified kWh Meter
2 In Stock
This item cannot be back-ordered
SKU: DDS353
£18.99
Hager ADA940UHager ADA940U 1P+N 6kA B-40A 30mA Type A

Hager ADA940U 1P+N 6kA B-40A 30mA Type A
Available to Order
Estimated Lead Time:
Usually 3 - 4 Working Days
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SKU: ADA940U
£26.34
Live Electrical CB240B 2 Pole MCB 40A B Curve

Live Electrical | CB240B | 10kA | Curve B | 2 Pole Bi-Directional MCB | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: CB240B
£5.89
Live Electrical MDAC2P63/24V 2 Pole 63A 2NO AC Contactor/24V DC Coil

Live Electrical MDAC2P63/24V – 2 Pole 63A 2NO 24V DC Coil Modular Contactor
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MDAC2P63/24V
£21.25
WCED WKC332C 10kA 3 Pole MCB Curve C 32A

WCED | WKC332C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 32A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKC332C
£8.61
CM100LCD Single Phase MID Approved Electricity Meter

CM100LCD Single Phase MID Approved Electricity Meter
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: CM100LCD
£35.20
Fusebox E4PMSH 100A Three Phase 4 Pole Main Switch Electric Meter IsolatorFusebox E4PMSH 100A Three Phase 4 Pole Main Switch Electric Meter Isolator

Fusebox E4PMSH 100A Three Phase 4 Pole Main Switch Electric Meter Isolator
10 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: E4PMSH
£16.99
Garo DNO5B 100A black 5 way terminal block for secure wiring of phase or control circuits, suitable for cables from 2.5mm² to 35mm² in modern electrical panels.

Garo DNO5B 100A 5 Way Black Terminal Block
56 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DNO5B
Quantity Discount
Quantity Price
1 - 9 £3.50
10+ £3.40
20+ £3.33
50+ £3.26
£3.50
Live Electrical AMR106C-030 30mA Type A 6kA C Curve 6A Bi-Directional RCBO

Live Electrical | AMR106C-030 | 6kA 30mA | Type A C Curve | Bi-Directional RCBO | 6A
11 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: AMR106C-030
£8.66
Garo DCBOGRB32 Compact RCBO 32A B Curve

Garo DCBOGRB32 30mA Type A Compact RCBO 32A B Curve
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DCBOGRB32
£10.99
FuseBox R3PN10B3230BD Curve B 3 Phase 32A RCBOFuseBox 3 Phase RCBO - Front

FuseBox | R3PN10B3230BD | 10kA | 30mA | Curve B | 3P+N Bi-Directional RCBO | 32A
4 In Stock
This item cannot be back-ordered
SKU: R3PN10B3230BD
£64.72
Garo SIAC463IP65 63A 4P IP65 Rotary Isolator Switch

Garo | SIAC463IP65 | 63A 4P IP65 | Rotary Isolator Switch
6 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: SIAC463IP65
£18.95
WCED WRT106C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 6A

WCED WRT106C-030 Bi-Directional 10kA Type A 30mA RCBO Curve C 6A
7 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: WRT106C-030
£10.97
Whitecliffe WRT332C-030 32A C Curve 3 Pole A-Type RCBO

WCED | WRT332C-030 | 32A C Curve | 10kA | 3 Pole A-Type Bi-Directional RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WRT332C-030
£57.26
Hager VML110 10 Way RCBO Consumer Unit

Hager VML110 10 Way RCBO Consumer Unit
1 In Stock
This item cannot be back-ordered
SKU: VML110
£43.39
1.2-1.6mm Grommet PE Strip - 10 metres

1.2-1.6mm Grommet PE Strip – 10 metres
5 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: GS2/10M
£5.95

Showing 721–740 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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