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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 41–60 of 2370 results

Live Electrical 10kA RCBO 16A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 16A Curve C Type A 30mA 1P+N
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA116C-030
£10.99
Garo DNO5N 100A blue 5 pole terminal block for neutral connections, suitable for 2.5mm² to 35mm² cables in electrical panels and distribution boards.

Garo DNO5N 100A 5 Way Blue Terminal Block
61 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: DNO5N
Quantity Discount
Quantity Price
1 - 9 £3.50
10+ £3.40
20+ £3.33
50+ £3.26
£3.50
FuseBox RTAMB32BD Bi-Directional RCBO 32Abidirectional rcbo

FuseBox | RTAMB32BD | 30mA | Curve B | Type A Bi-Directional Mini RCBO | 32A
30 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTAMB32BD
£14.34
WCED WME4L/32 WCED Mini CU 4 Way Empty Enclosure 1

WCED Mini CU 4 Way Empty Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WME4L/32
Quantity Discount
Quantity Price
1 - 4 £8.98
5+ £8.76
10+ £8.53
20+ £8.31
£8.98
WCED Type A Bi-Directional Curve B 16A 30mA RCBO - WRB116B-030

WCED Type A Bi-Directional Curve B 16A 30mA RCBO – WRB116B-030
11 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WRB116B-030
£10.00
3 Phase 125A Metal Switch Fuse

WCED WFMS/3P 3 Phase 125A Metal Switch Fuse
Out of Stock
ETA 20/07/26
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SKU: WFMS/3P
£65.40
Read more
FuseBox RTAMB06BD Bi-Directional RCBO 6A

FuseBox | RTAMB06BD | 30mA | Curve B | Type A Bi-Directional Mini RCBO | 6A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RTAMB06BD
£14.34
Live Electrical CB106B Live Electrical CB106B 6A Curve B 10kA MCB 1

Live Electrical | CB106B | 10kA | Curve B | 1 Pole Bi-Directional MCB | 6A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: CB106B
£2.95
Live Electrical RA216B-030 Live Electrical Double Pole Type A RCBO - Curve B - 16A 1

Live Electrical Double Pole Type A RCBO – Curve B – 16A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA216B-030
£16.06
Live Electrical RA210B-030 Live Electrical Double Pole Type A RCBO - Curve B - 10A 1

Live Electrical Double Pole Type A RCBO – Curve B – 10A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA210B-030
£13.99
FuseBox MT06B061 6A MCB Curve B

FuseBox MT06B061 6A MCB Curve B
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: MT06B061
£1.95
Live Electrical MAC2P32 Live Electrical MAC2P32 32A Modular AC Contactor 2 Pole NO 1Live Electrical MAC2P32 Live Electrical MAC2P32 32A Modular AC Contactor 2 Pole NO 2

Live Electrical MAC2P32 – 2 Pole 32A 2NO 230V AC Modular Contactor
7 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: MAC2P32
£9.79
WCED WMEPME08/SP/C40 PME Fault Detection Unit 8 Mod c/w C40 RCBO /4P63A Contactor SPD & PME Relays

PME / PEN Fault Detection Unit 8 Mod c/w C40 RCBO /4P63A Contactor SPD & PME Relays
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WMEPME08/SP/C40
Quantity Discount
Quantity Price
1 £87.92
2+ £85.28
3+ £83.52
£87.92
Hager JK01B Hager JK01B Single Pole Busbar Blank

Hager JK01B Single Pole Busbar Blank
29 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: JK01B
£1.00
Live Electrical 11 Way SPD Metal Consumer Unit Kit c/w 9 RCBOs

Live Electrical 11 Way SPD Metal Consumer Unit Kit c/w 9 RCBOs
In Stock
SKU: LSMC14M-SP/9RCBO
£120.60
WCED WPGU04/632 Plastic IP65 Garage Consumer Unit - 63A Type A RCD 6A/32A B MCBs

WCED WPGU04/632 Plastic IP65 Garage Consumer Unit – 63A Type A RCD 6A/32A B MCBs
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WPGU04/632
Quantity Discount
Quantity Price
1 - 2 £26.58
3+ £25.92
5+ £25.25
10+ £24.59
£26.58
Live Electrical RI420 20A 4 Pole Weatherproof Rotary Isolator

Live Electrical RI420 20A 4 Pole Weatherproof Rotary Isolator
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RI420
£9.90
Live Electrical 10kA RCBO 10A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 10A Curve C Type A 30mA 1P+N
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
Read More
SKU: RA110C-030
£10.99
FuseBox RTAMC16 16A Mini Type A RCBO

FuseBox RTAMC16 16A Mini Type A RCBO
26 In Stock
This item cannot be back-ordered
SKU: RTAMC16
£13.50 £12.49
FuseBox RTAMC32 32A Mini Type A RCBO

FuseBox RTAMC32 32A Mini Type A RCBO
12 In Stock
This item cannot be back-ordered
SKU: RTAMC32
£13.50 £12.49

Showing 41–60 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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