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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 841–860 of 2370 results

Hager NBN116A Hager NBN116A Single Pole Type B MCB 16A 10kA

Hager NBN116A Single Pole Type B MCB 16A 10kA
23 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NBN116A
£9.18
Hager NBN106A Hager NBN106A Single Pole Type B MCB 6A 10kA

Hager NBN106A Single Pole Type B MCB 6A 10kA
12 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: NBN106A
£9.36
Live Electrical TPN24-125S Live Electrical 125 Amp 24 Way TPN Distribution Board with SPD 1

Live Electrical TPN24-125S 125 Amp 24 Way TPN Distribution Board with SPD
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: TPN24-125S
£306.42
Live Electrical MLCD61 Live Electrical Single Phase Energy Meter

Live Electrical MLCD61 Single Phase Energy Meter
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: MLCD61
£19.90
FuseBox F3024MDT 24 Way 2x100A Dual Tariff Consumer Unit

FuseBox F3024MDT 24 Way 2x100A Dual Tariff Consumer Unit
Available to Order
Estimated Lead Time:
Usually 2 - 3 Working Days
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SKU: F3024MDT
£112.86
100A C Curve 5 Pole MCB 10kA + 230V Shunt TripWCED WKB5100C-ST WCED 100A C Curve 5 Pole MCB 10kA + 230V Shunt Trip 2

WCED | WKB5100C-ST | 5 Pole | C Curve MCB | 10kA | 100A | 230V Shunt Trip
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WKB5100C-ST
£18.06
WCED 4 Pole 230/400V 25A NO Normally Open AC Modular Contactor

WCED WAC4P25 – 4 Pole 25A 4NO 230V AC Modular Contactor
4 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC4P25
Quantity Discount
Quantity Price
1 - 2 £10.95
3+ £10.68
5+ £10.40
10+ £10.13
20+ £9.85
£10.95
Live Electrical RI20DC Live Electrical 4 Pole 20A DC Rotary Isolator Switch 1

Live Electrical RI20DC 4 Pole 20A DC Rotary Isolator Switch
2 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: RI20DC
£20.99 £16.10
Live Electrical RA220C-030 Live Electrical Double Pole Type A RCBO - Curve C - 20A 1

Live Electrical Double Pole Type A RCBO – Curve C – 20A
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: RA220C-030
£13.99
WCED 4 Pole 40A 24V NC Normally Closed AC Modular Contactor

WCED WAC4P40NC/24 – 4 Pole 40A 4NC 24V AC Modular Contactor
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WAC4P40NC/24
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
FuseBox MT10D401 FuseBox MT10D401 40A Single Pole 10kA D Curve MCB

FuseBox MT10D401 40A Single Pole 10kA D Curve MCB
14 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10D401
£3.22
FuseBox MT10C252 FuseBox MT10C252 25A Double Pole 10kA C Curve MCB

FuseBox MT10C252 25A Double Pole 10kA C Curve MCB
8 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10C252
£6.68
FuseBox MT10D253 FuseBox MT10D253 25A Triple Pole 10kA D Curve MCB

FuseBox MT10D253 25A Triple Pole 10kA D Curve MCB
2 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: MT10D253
£9.51
Live Electrical ENC0365 Live Electrical 3 Way Enclosure IP65 H:185 x W:95 x D:110mm

Live Electrical ENC0365 IP65 3 Way Enclosure
2 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: ENC0365
£12.95
Live Electrical ENC0565 Live Electrical 5 Way Enclosure IP65 H:185 x W:130 x D:110mm

Live Electrical ENC0565 IP65 5 Way Enclosure
1 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: ENC0565
£15.65
Live Electrical | SPV340 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1000VLive Electrical | SPV340 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1000V

Live Electrical | SPV340 | 3-Pole | Type 2 DC Surge Device | For Circuits up to 1000V
Available to Order
Estimated Lead Time:
Usually 1 - 2 Working Days
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SKU: SPV340
£21.49
Hager ADC910R C10A Bidirectional RCBOHager | ADC910R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 10A

Hager | ADC910R | 1P+N | 6kA | 30mA | C Curve | Type A Bidirectional RCBO | 10A
2 In Stock
More available within:
Usually 3 - 4 Working Days
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SKU: ADC910R
£19.70
Live Electrical AGU5-SR/B IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO - Black

Live Electrical AGU5-SR/B IP65 Metal SPD 2 Way Garage/EV Unit with B40A RCBO – Black
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: AGU5-SR/B
Quantity Discount
Quantity Price
1 - 2 £52.92
3+ £51.60
5+ £50.27
10+ £48.95
£52.92
100A Automatic Reset Breaker with PME Fault Protection

WCED| WARB3100C | 100A Auto Reset Breaker with PME Protection | 4 Module
Available to Order
Estimated Lead Time:
Usually 1 - 3 Working Days
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SKU: WARD3100C
£52.61
LIVE Electrical LBT-8 8v Bell Transformer

Live Electrical LBT-8 8V Bell Transformer
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: LBT-8
£6.50

Showing 841–860 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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