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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (1951)

Consumer Units

Consumer Units (477)

Circuit Protection Devices

Circuit Protection Devices (1068)

EV Circuit Protection

EV Circuit Protection (111)

SPD Surge Protection Devices

SPD Surge Protection Devices (127)

Three Phase Distribution Boards

Three Phase Distribution Boards (93)

Switch Fuses - Isolators

Switch Fuses - Isolators (175)

Switch Gear

Switch Gear (272)

Street Lighting Circuit Protection

Street Lighting Circuit Protection (13)

Showing 941–960 of 2380 results

WCED WMCUSP440C 3 Phase SPD with 40A Curve C 4 Pole MCB

WCED WMCUSP440C 3 Phase SPD with 40A Curve C 4 Pole MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: WMCUSP440C
£51.38
WCED Twin Screw 100A DP Main Switch

WCED Twin Screw 100A DP Main Switch
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WME2100
£4.24
Live Electrical SPV240 Type 2 DC Surge DeviceLive Electrical SPV240 Type 2 DC Surge Device

Live Electrical | SPV240 | 2-Pole | Type 2 DC Surge Device | For Circuits up to 1000V
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: SPV240
£14.82
WCED WRB132C-030 WCED Type A High Immunity Curve C 32A 30mA RCBO 1WCED WRB132C-030 WCED Type A High Immunity Curve C 32A 30mA RCBO 2

WCED Type A High Immunity Curve C 32A 30mA RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: WRB132C-030
£9.00
Live Electrical LEVB240 2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO 1Live Electrical LEVB240 2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO 2

2 Way Metal Enclosure c/w 40A Type A Double Pole RCBO
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: LEVB240
£29.50 £22.50
WCED IP65 Metal EV Protection Unit WMIP40BSPWCED | WMIP40BSP | IP65 Metal EV Protection Unit | Type A 40A B Curve RCBO & Type 2 SPD

WCED | WMIP40BSP | IP65 Metal EV Protection Unit | Type A 40A B Curve RCBO & Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: WMIP40BSP
Quantity Discount
Quantity Price
1 £44.78
2+ £43.88
3+ £42.54
5+ £41.42
10+ £40.30
£44.78
Live Electrical SPV240/1 2P Type 2 DC Surge DeviceLive Electrical | SPV240/1 | 2-Pole | Type 2 DC Surge Device | For Circuits up to 600V

Live Electrical | SPV240/1 | 2-Pole | Type 2 DC Surge Device | For Circuits up to 600V
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: SPV240/1
£15.42
WCED WMC140B WCED Miniature Circuit Breaker 6kA Curve B - 40A 1WCED WMC140B WCED Miniature Circuit Breaker 6kA Curve B - 40A 2

WCED | WMC140B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: WMC140B
£1.37
WCED WMC163B WCED Miniature Circuit Breaker 6kA Curve B - 63A 1WCED WMC163B WCED Miniature Circuit Breaker 6kA Curve B - 63A 2

WCED | WMC163B | 6kA | Curve B | 1 Pole Bi-Directional MCB | 63A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WMC163B
£1.37
WCED WPEPME08/SP/C40 PME Fault Detection IP65 Unit 8 Mod c/w C40 RCBO /4P63A Contactor SPD & PME RelaysPME / PEN Fault Detection IP65 Unit 8 Mod c/w C40 RCBO /4P63A Contactor SPD & PME Relays

PME / PEN Fault Detection IP65 Unit 8 Mod c/w C40 RCBO /4P63A Contactor SPD & PME Relays
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: WPEPME08/SP/C40
Quantity Discount
Quantity Price
1 £90.72
2+ £88.00
3+ £86.18
£90.72
WCED Whitecliffe WSPDTE-4 4 Pole 4 Module Type 1+2 SPD Surge Protection Device

WCED Whitecliffe WSPDTE-4 4 Pole 4 Module Type 1+2 SPD Surge Protection Device
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WSPDTE-4
£78.59
WCED Consumer Unit Kit with SPD and 9 RCBOs

WCED Consumer Unit Kit with SPD and 9 RCBOs
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: WME14/SP/9RCBO
£116.62
WCED 4 Pole 230/400V 40A NO Normally Open AC Modular Contactor

WCED WAC4P40 – 4 Pole 40A 4NO 230V AC Modular Contactor
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WAC4P40
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
WARB5100C/PME40RSP 3 Phase PME Fault Detection Unit

WARB5100C/PME40RSP 3 Phase PME Fault Detection Unit
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WARB5100C/PME40RSP
£99.04
WCED WMCUSP463C 3 Phase SPD with 63A Curve C 4 Pole MCB

WCED | WMCUSP463C | 3 Phase SPD | 63A C Curve 4 Pole MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WMCUSP463C
£61.65
Live Electrical ENC465 IP65 4 Way Plastic Enclosure

Live Electrical ENC465 IP65 4 Way Plastic Enclosure
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: ENC465
£9.15
Live Electrical MCS125A Live Electrical Metal 125A Changeover Switch Box

Live Electrical MCS125A Metal 125A Changeover Switch
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: MCS125A
£34.50
Live Electrical 125 Amp 6 Way SPD TPN Distribution BoardLive Electrical TPN06-125S Live Electrical 125 Amp 6 Way TPN Distribution Board with SPD 2

Live Electrical | TPN06-125S | 125A TP&N Distribution Board | 4P Main Switch | Type 2 SPD | 6 Way
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: TPN06-125S
£135.16
Live Electrical PEN4100 100A 4 Pole Mains Supply Isolator and Enclosure

Live Electrical PEN4100 100A 4 Pole Mains Supply Isolator and Enclosure
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
Read More
SKU: PEN4100
£12.63
WCED WME6 WCED 6 Way Metal Enclosure 1WCED WME6 WCED 6 Way Metal Enclosure 2

WCED 6 Way Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: WME6
Quantity Discount
Quantity Price
1 - 4 £19.52
5+ £19.03
10+ £18.54
20+ £18.06
£19.52

Showing 941–960 of 2380 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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Delivery info

Where an order contains only WCED products that are not available from our shelf stock, it will usually be dispatched directly from WCED. Delivery often takes 1–2 working days, although stock availability, order cut-off times and courier schedules may affect the timing.

For mixed orders containing products from other suppliers, the dispatch arrangement and delivery time may vary, and the order may follow the longest lead time shown.

Delivery info

Orders containing only Live Electrical products that are not available from our shelf stock will usually be dispatched directly from Live Electrical. Delivery is generally completed within 2–3 working days, although stock availability, order cut-off times and courier schedules may affect the timing.

For mixed orders containing products from other suppliers, dispatch arrangements may vary, and the order may follow the longest delivery estimate shown.

In the unlikely event that an item becomes unavailable, we will contact you with the available options, which may include waiting for stock, choosing an alternative product or cancelling the unavailable item for a refund.

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