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Circuit Protection

Circuit Protection by Brand

Circuit Protection by Brand (2036)

Consumer Units

Consumer Units (502)

Circuit Protection Devices

Circuit Protection Devices (1120)

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Surge Protective Devices (99)

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Three Phase Distribution Boards (101)

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Street Lighting Circuit Protection (13)

Showing 501–520 of 2483 results

Hager NBN110A Hager NBN110A Single Pole Type B MCB 10A 10kA

Hager NBN110A Single Pole Type B MCB 10A 10kA
14 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: NBN110A
£9.18
FuseBox INC634 63A 4 Pole 230V NO Normally Open AC Modular Contactor

FuseBox INC634 – 4 Pole 63A 4NO 230V AC Modular Contactor
5 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: INC634
£15.40
Live Electrical SA240 Live Electrical 2 Pole 20kA/40kA Type 2 Surge Protective Device

Live Electrical SA240 2 Pole 20kA/40kA Type 2 SPD Surge Protective Device
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: SA240
£17.75
Deligo Photovoltaic (Solar) DC Rotary Isolator Switch - 16A

Deligo Photovoltaic (Solar) DC Rotary Isolator Switch – 16A
1 In Stock
This item cannot be back-ordered
SKU: DSRI16
£24.05 £19.99
WCED 4 Pole 25A 24V NO Normally Open AC Modular Contactor

WCED WAC4P25/24 – 4 Pole 25A 4NO 24V AC Modular Contactor
9 In Stock
More available within:
Usually 1 - 2 Working Days
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SKU: WAC4P25/24
Quantity Discount
Quantity Price
1 - 2 £14.16
3+ £13.81
5+ £13.45
10+ £13.10
20+ £12.74
£14.16
Wago 788-354 Wago 788 Relay Module with 1 Changeover Contact for Lamp Loads - 24V DC 16A 2.5 mm² Grey 1Wago 788-354 Wago 788 Relay Module with 1 Changeover Contact for Lamp Loads - 24V DC 16A 2.5 mm² Grey 2

Wago 788-354 Relay Module with 1 Changeover Contact for Lamp Loads – 24V DC 16A 2.5mm² Grey
11 In Stock
More available within:
Usually 3 - 5 Working Days
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SKU: 788-354
£13.94
FuseBox MT10B101 FuseBox MT10B101 10A Single Pole 10kA B Curve MCB

FuseBox MT10B101 10A Single Pole 10kA B Curve MCB
20 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: MT10B101
£3.22
FuseBox MT10B403 FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB

FuseBox MT10B403 40A Triple Pole 10kA B Curve MCB
11 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: MT10B403
£9.51
FuseBox TPNSPLFB Fusebox TPNSPLFB 125A Single Phasing Conversion Kit

Fusebox TPNSPLFB 125A Single Phasing Conversion Kit
7 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: TPNSPLFB
£1.99
Live Electrical RDA4100-030 4 Pole Type A 100A 30mA RCD

Live Electrical | RDA4100-030 | 4 Pole | Bi-Directional Type A RCD | 6kA | 30mA | 100A
1 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RDA4100-030
£20.99
Hager KF83D Connection Terminal 1P Prong 1x35mm² - Pack of 1

Hager KF83D Connection Terminal 1P Prong 1x35mm² – Pack of 1
3 In Stock
More available within:
Usually 2 - 4 Working Days
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SKU: KF83D
£4.40
Live Electrical RNA20C-030 RCBO A Type DP Bi-Directional 20A C Curve 30mA

Live Electrical RNA20C-030 RCBO A Type DP Bi-Directional 20A C Curve 30mA
3 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: RNA20C-030
£10.43
Live Electrical LS-MB16 16 Module LSMC Mounting Bracket

Live Electrical LS-MB16 16 Module LSMC Mounting Bracket
6 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: LS-MB16
£10.22
WCED WKC332B 10kA 3 Pole MCB Curve B 32A

WCED | WKC332B | 10kA | Curve B | 3 Pole Bi-Directional MCB | 32A
1 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: WKC332B
£8.61
Niglon PMCB10C1-32 32A Single Pole 10kA Curve C MCB

Niglon PMCB10C1-32 32A Single Pole 10kA Curve C MCB
5 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: PMCB10C1-32
£3.42
Garo DNO5G 100A grey terminal block with 5 connection points, suitable for 2.5mm² to 35mm² cables in power distribution applications.

Garo DNO5G 100A 5 Way Grey Terminal Block
85 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: DNO5G
Quantity Discount
Quantity Price
1 - 9 £3.50
10+ £3.40
20+ £3.33
50+ £3.26
£3.50
Live Electrical EV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar

Live Electrical EV432SP-BP IP65 EV Consumer Unit B32 RCBO + Type 2 SPD + Busbar
15 In Stock
More available within:
Usually 2 - 3 Working Days
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SKU: EV432SP-BP
Quantity Discount
Quantity Price
1 - 2 £30.99
3+ £29.44
5+ £28.67
10+ £26.96
20+ £25.41
£30.99
FuseBox SPD Consumer Unit 15 Way RCBO KitFuseBox F3015MZ Bi Directional SPD Consumer Unit Kit – with 12 RCBO

FuseBox | F3015MZ | 15 Way SPD Consumer Unit Kit | 12 Bi-Directional RCBOs
In Stock
SKU: F3015MZ/BD/KIT/12
£243.10 £238.53
PVC Trunking (50x50mm) for FuseBox F3015MZ / F3016M Consumer UnitPVC Trunking (50x50mm) for FuseBox F3015MZ / F3016M Consumer Unit 2

PVC Trunking (50x50mm) for FuseBox F3015MZ / F3016M Consumer Unit
2 In Stock
More available within:
Usually 1 - 3 Working Days
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SKU: MAK50/50/F3015MZ
£7.95
Garo DCBOGRB06 Compact RCBO 6A B Curve

Garo DCBOGRB06 30mA Type A Compact RCBO 6A B Curve
5 In Stock
More available within:
Usually 2 - 3 Working Days
Read More
SKU: DCBOGRB06
£10.99

Showing 501–520 of 2483 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

Hager items that are not available from our shelf stock will usually be ordered directly from Hager and dispatched as soon as they arrive with us. Delivery is generally completed within 2–4 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.

Delivery info

If this item is not currently on our shelves, we will order it from FuseBox for delivery to our warehouse. FuseBox does not dispatch directly to our customers, so once the item arrives with us, we will send it on to you as quickly as possible. Many items reach us the next working day, while some may take a little longer. Delivery to you is usually completed within 2–4 working days.

Please note that if your order includes other products with a longer lead time, the complete order may be dispatched once all items are available.

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.

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.

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

WAGO items that are not available from our shelf stock will usually be ordered from WAGO and delivered within an estimated 3–5 working days. Stock availability, order cut-off times and courier schedules may affect the timing.

Where an item is not available from WAGO’s UK stock and must be imported from Germany, delivery will take longer. We will contact you to confirm the estimated lead time and the available options before proceeding.

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.

Delivery info

If this item is not currently available from our shelf stock, we will order it directly from Niglon and dispatch it as soon as it arrives with us. Delivery is usually completed within 2–3 working days.

Please note that if your order includes other products with a longer lead time, the complete order may be dispatched once all items are available.

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.

Delivery info

GARO items that are not available from our shelf stock will usually be ordered directly from GARO and dispatched as soon as they arrive with us. 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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