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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 541–560 of 2370 results

FuseBox MT10C203 FuseBox MT10C203 20A Triple Pole 10kA C Curve MCB

FuseBox MT10C203 20A Triple Pole 10kA C Curve MCB
2 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C203
£9.51
FuseBox MT10C403 FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB

FuseBox MT10C403 40A Triple Pole 10kA C Curve MCB
2 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C403
£9.51
FuseBox RTA104030B 40A 10kA 30mA B Curve Type A RCBO

FuseBox | RTA104030B | 10kA | 30mA | Curve B | Type A RCBO | 40A
22 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RTA104030B
£15.99
WCED WAC4P25NC WCED 4P 25A 4NC Modular Contactor

WCED WAC4P25NC – 4 Pole 25A 4NC 230V AC Modular Contactor
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC4P25NC
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
WLB110 Monitoring Relay

WLB110 Monitoring Relay
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WCT24-100LB
£40.49
G-ProKit GPRO-3PH-METERKIT G-ProBox 100A Three-Phase DIN Rail Metering Kit in Metal Enclosure 1

G-ProBox 100A Three-Phase DIN Rail Metering Kit in Metal Enclosure
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: GPRO-3PH-METERKIT
£263.25
Live Electrical AGU4-SR/G IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Grey

Live Electrical AGU4-SR/G IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Grey
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: AGU4-SR/G
Quantity Discount
Quantity Price
1 - 2 £52.92
3+ £51.60
5+ £50.27
10+ £48.95
£52.92
Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black

Live Electrical AGU4-SR/B IP65 Metal SPD Garage/EV Consumer Unit with B40A RCBO – Black
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: AGU4-SR/B
Quantity Discount
Quantity Price
1 - 2 £52.92
3+ £51.60
5+ £50.27
10+ £48.95
£52.92
FuseBox RTF630302 Type F RCD 63A 30mA 2P

FuseBox RTF630302 Type F RCD 63A 30mA 2P
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RTF630302
£46.80
Live Electrical LSMC14/100 100A Main Switch 12 Way Consumer Unit

Live Electrical LSMC14/100 100A Main Switch 12 Way Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: LSMC14/100
£32.64
Hager CDB563HP 30mA 63A RCCB 1P+N Type B HP for Heat Pumps

Hager CDB563HP 30mA 63A RCCB 1P+N Type B HP for Heat Pumps
2 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: CDB563HP
£146.98
FuseBox MT06C251 25A C Curve Miniature Circuit Breaker

FuseBox MT06C251 25A MCB Curve C
22 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MT06C251
£1.95
Live Electrical RKA106B-030 6A 10kA B Curve Compact Bi-Directional RCBO For TPN Distribution Boards

Live Electrical | RKA106B-030 | 1P+N | Bi-Directional RCBO | Type A | Curve B | 10kA | 30mA | 6A
12 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: RKA106B-030
£11.59
Live Electrical RKA106C-030 10kA Type A C Curve Compact 6A Bi-Directional RCBO

Live Electrical | RKA106C-030 | 1P+N | Bi-Directional RCBO | Type A | Curve C | 10kA | 30mA | 6A
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: RKA106C-030
£11.59
Garo METALBLANK 1 Mod Metal Blank Consumer Units

Garo METALBLANK 1 Mod Metal Blank
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: METALBLANK
£0.54
WCED WSPV600 600V DC Photovoltaic SPD

WCED | WSPV600 | 600V DC | Photovoltaic Surge Protection Device
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WSPV600
£13.66
Live Electrical CB116D Live Electrical CB116D 16A Curve D 10kA MCB 1

Live Electrical | CB116D | 10kA | Curve D | 1 Pole Bi-Directional MCB | 16A
11 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: CB116D
£2.95
Live Electrical MAC4P32 Live Electrical MAC4P32 32A Modular AC Contractor 4 Pole NO 1

Live Electrical MAC4P32 – 4 Pole 32A 4NO 230V AC Modular Contactor
3 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: MAC4P32
£14.99
Live Electrical 18 Edition 20 Way Dual Row SPD Consumer Unit

Live Electrical 18 Edition 20 Way Dual Row SPD Consumer Unit
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MCU24M-SP
£79.00
WCED WEVKIT63 EV Consumer Unit with B Type 40A RCD and C40 MCB 1

EV Consumer Unit with B Type 40A RCD and C40 MCB
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
Read More
SKU: WEVKIT63
£106.64

Showing 541–560 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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