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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 101–120 of 2370 results

Live Electrical MMGU40C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 40A C Curve Type ALive Electrical MMGU40C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 40A C Curve Type A 2

Live Electrical MMGU40C-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 40A C Curve Type A
8 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: MMGU40C-SP
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
Fusebox RTAMB40 40A Mini Type A RCBO

Fusebox RTAMB40 40A Mini Type A RCBO
13 In Stock
This item cannot be back-ordered
SKU: RTAMB40
£13.50 £12.49
WCED WEC440SPT12 WCED Stand Alone Type 1 & 2 SPD with Main Switch 1

WCED Whitecliffe WEC440SPT12 Stand Alone Type 1 & 2 SPD with Main Switch
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WEC440SPT12
Quantity Discount
Quantity Price
1 £65.94
2+ £62.64
3+ £60.99
5+ £59.35
£65.94
Live Electrical Triple Pole 100A Copper Busbar 1m 16mm² 54 Pin

Live Electrical Triple Pole 100A Copper Busbar 1m 16mm² 54 Pin
9 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: TPC100
£21.04
Live Electrical EMCU4-A 4 Way Empty DIN Rail Metal Enclosure With Lid

Live Electrical EMCU4-A 4 Way Empty DIN Rail Metal Enclosure With Lid
5 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: EMCU4-A
£9.90
Live Electrical MAC2P25 Live Electrical MAC2P25 25A Modular AC Contactor 2 Pole NO 1Live Electrical MAC2P25 Live Electrical MAC2P25 25A Modular AC Contactor 2 Pole NO 2

Live Electrical MAC2P25 – 2 Pole 25A 2NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MAC2P25
£6.24
Live Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOsLive Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOs 5

Live Electrical 7 Way SPD Metal Consumer Unit Kit with 5 RCBOs
In Stock
SKU: LSMC10M-SP/5RCBO
£85.37
Live Electrical AMR140B-100 100mA Bi-Directional Type A Compact RCBO 40A B CurveLive Electrical AMR140B-100 100mA Bi-Directional Type A Compact RCBO 40A B Curve 2

Live Electrical | AMR140B-100 | 100mA Bi-Directional Type A Compact RCBO 40A B Curve
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: AMR140B-100
£9.99
WCED Twin Screw 100A DP Metal Meter Isolator

WCED Twin Screw 100A DP Metal Meter Isolator
27 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MEC2100
£12.47
Live Electrical RNA40B-030 RCBO A Type DP Bi-Directional 40A B Curve 30mA

Live Electrical RNA40B-030 RCBO A Type DP Bi-Directional 40A B Curve 30mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RNA40B-030
£10.43
Live Electrical RI432 4 Pole 32A IP65 Rotary Isolator Switch

Live Electrical RI432 4 Pole 32A IP65 Rotary Isolator Switch
1 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: RI432
£12.30
Live Electrical TPN04-125S Live Electrical 125 Amp 4 Way TPN Distribution Board with SPD 1

Live Electrical TPN04-125S 125 Amp 4 Way TPN Distribution Board with SPD
11 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: TPN04-125S
£124.03
Live Electrical CB320C Live Electrical CB320C 3 Pole 20A C Curve 10kA MCB 1

Live Electrical | CB320C | 10kA | Curve C | 3 Pole Bi-Directional MCB | 20A
5 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB320C
£8.37
WCED Double Pole Type A 30mA RCBO Curve B - 32A

WCED Double Pole Type A 30mA RCBO Curve B – 32A
14 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WER32B-030
£15.09
Live Electrical CB116B Live Electrical CB116B 16A Curve B 10kA MCB 1

Live Electrical | CB116B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 16A
4 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB116B
£2.95
Live Electrical EV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar

Live Electrical EV440SP-P IP65 EV Consumer Unit C40 RCBO + Type 2 SPD + Busbar
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: EV440SP-P
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
FuseBox RTA101630B 16A 30mA 10kA B Curve Type A RCBO

FuseBox | RTA101630B | 10kA | 30mA | Curve B | Type A RCBO | 16A
31 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA101630B
£15.99
FuseBox RTAMB10 10A Mini Type A RCBO

FuseBox RTAMB10 10A Mini Type A RCBO
20 In Stock
This item cannot be back-ordered
SKU: RTAMB10
£13.50 £12.49
FuseBox RTAMB20BD Bi-Directional RCBO 20Abidirectional rcbo

FuseBox | RTAMB20BD | 30mA | Curve B | Type A Bi-Directional Mini RCBO | 20A
32 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMB20BD
£14.34
FuseBox RTA100630B 6A 30mA 10kA B Curve Type A RCBO

FuseBox | RTA100630B | 10kA | 30mA | Curve B | Type A RCBO | 6A
19 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: RTA100630B
£15.99

Showing 101–120 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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