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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 1001–1020 of 2370 results

matt:e SP-R-SPD Single-Phase EV Consumer Unit with Type A RCBO & Type 2 SPD

matt:e SP-R-SPD Single-Phase EV Consumer Unit with Type A C40 RCBO & Type 2 SPD
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: SP-R-SPD
£256.55
Gewiss GW70438P 63A 4-Pole IP66/IP67/IP69 Rotary Isolator Switch

Gewiss GW70438P 63A 4-Pole IP66/IP67/IP69 Rotary Isolator Switch
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: GW70438P
£28.79
Live Electrical ENC18 3 Strings Solar PV Consumer Unit

Live Electrical | ENC18 PV3/3 | 18-Way Solar PV Consumer Unit | 3 String Input 3 String Output DC | IP65 Rated
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: ENC18PV3/3
£203.32
Niglon PMCB10B1-06 6A Single Pole 10kA Curve B MCB

Niglon PMCB10B1-06 6A Single Pole 10kA Curve B MCB
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PMCB10B1-06
£3.42
Niglon PMCB10B1-32 32A Single Pole 10kA Curve B MCB

Niglon PMCB10B1-32 32A Single Pole 10kA Curve B MCB
3 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: PMCB10B1-32
£3.42
Niglon PRCB01B1-32 1P + Neutral 32A Curve B Bi-Directional 10kA RCBO

Niglon PRCBO10B1-32 1P + Neutral 32A Curve B Bi-Directional 10kA RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: PRCBO10B1-32
£19.21
Niglon PRCBO10B3-40 40A 3 Phase Type A 10kA RCBO

Niglon PRCBO10B3-40 40A 3 Phase Type A 10kA RCBO
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: PRCBO10B3-40
£72.09
Fusebox F3031MZ 31 Way RCBO Consumer Unit with SPD

FuseBox F3031MZ 31 Way RCBO Consumer Unit With SPD
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: F3031MZ
£164.04
CM100LCD-ETC MID Approved Single Phase kWh Meter with Extended Terminal Cover

CM100LCD-ETC MID Approved Single Phase kWh Meter with Extended Terminal Cover
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: CM100LCD-ETC
£41.14
Fusebox EV40ABD EV Consumer Unit 100A Main Switch 30mA 40A Bi-Directional RCBO

FuseBox | EV40ABD | EV Consumer Unit | Main Switch with Bi-Directional RCBO | 40A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: EV40ABD
£43.15
Live Electrical Heat Pump Consumer Unit with Type F RCDLive Electrical Heat Pump Consumer Unit with Type F RCD - LHP840MSF

Live Electrical Heat Pump SPD Consumer Unit with Type F RCD and C40 DP MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LHP840MSF
£66.69
Live Electrical DCM463C 4 Pole C Curve 6kA 63A 1000V DC MCB

Live Electrical DCM463C 4 Pole C Curve 6kA 63A 1000V DC MCB
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: DCM463C
£16.95
WCED 4 Pole 100A 100mA Time Delay Type A RCD

WCED | WARTD4100-100 | Bi-Directional | Time Delay Type A RCD | 4 Pole | 100A | 100mA
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WARTD4100-100
Quantity Discount
Quantity Price
1 £44.36
2+ £43.03
3+ £42.14
£44.36
Garo 100A 2 Pole 100mA Time Delay Bi-Directional RCCB

Garo DCCB100-2-1S 100A 2 Pole Type A 100mA Time Delay Bi-Directional RCCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: DCCB100-2-1S
£49.45
FuseBox R3PN10B2030BD Curve B 3 Phase 20A RCBOFuseBox 3 Phase RCBO - Front

FuseBox | R3PN10B2030BD | 10kA | 30mA | Curve B | 3P+N Bi-Directional RCBO | 20A
5 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: R3PN10B2030BD
£64.72
FuseBox R3PN10B4030BD Curve B 3 Phase 40A RCBOFuseBox 3 Phase RCBO - Front

FuseBox | R3PN10B4030BD | 10kA | 30mA | Curve B | 3P+N Bi-Directional RCBO | 40A
6 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: R3PN10B4030BD
£64.72
FuseBox KWHM3P100 Three Phase Energy Meter

FuseBox KWHM3P100 Three Phase kWh Energy Meter
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: KWHM3P100
£63.70
Switchtec SMC-2540-240 25A Contactor

Switchtec SMC-2540-240 25A Contactor – 4NO 240V AC Coil
6 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: SMC-2540-240
£16.34
Live Electrical AMR110B-100 RCBO 100mA

Live Electrical | AMR110B-100 | 100mA Bi-Directional Type A Compact RCBO 10A B Curve
11 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: AMR110B-100
£9.99
FuseBox KWH1M100 100A MID kWh Meter

FuseBox | KWH1M100 | 100A Single Phase MID kWh Meter | DIN Rail Mounted
2 In Stock
More available within:
Usually 1 - 3 Working Days
Read More
SKU: KWH1M100
£30.57

Showing 1001–1020 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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