facebook pixel Circuit Protection - Page 19 of 91 - Electrical 4 Less
National  8:00am to 5pm - Mon-Fri
Quotes
020 7736 5755
sales@electrical4less.co.uk
VAT:
Quotes
Electrical 4 Less
0
Electrical4less Reviews 4.9 Based on 1181 reviews
UK Mainland Free Delivery £75 + VAT
14 Day Return Policy
Next Day Delivery Cut Off Time 3PM*

Circuit Protection

Showing 361–380 of 1808 results

Circuit Protection by Brand

Circuit Protection by Brand (1510)

EV Circuit Protection

EV Circuit Protection (111)

Consumer Units

Consumer Units (283)

DIN Rail Enclosures

DIN Rail Enclosures (51)

Three Phase Distribution Boards

Three Phase Distribution Boards (100)

Circuit Protection Devices

Circuit Protection Devices (804)

Switch Fuses, Isolators & Changeover Switches

Switch Fuses, Isolators & Changeover Switches (117)

Switch Gear

Switch Gear (217)

Meter Boards & Electric Meters

Meter Boards & Electric Meters (16)

SPD Surge Protection Devices

SPD Surge Protection Devices (107)

WCED WKC110C 10kA 1 Pole MCB Curve C 10A

WCED WKC110C 10kA 1 Pole MCB Curve C 10A

Delivery usually within 1-3 working days*
SKU: WKC110C
£2.65

5-£2.54£0.11£2.65
10-£2.48£0.17£2.65
Add to quote
Hager VML120 20 Way RCBO Consumer Unit

Hager VML120 20 Way RCBO Consumer Unit

Delivery usually within 1-3 working days*
SKU: VML120
£66.79
Add to quote
Live Electrical RC140C-030 Live 30mA 40A RCBO 10kA Curve C Type AC 1Live Electrical RC140C-030 Live 30mA 40A RCBO 10kA Curve C Type AC 2

Live 30mA 40A RCBO 10kA Curve C Type AC

9 In stock
This item cannot be back-ordered
SKU: RC140C-030
£10.99 £5.99
Add to quote
Live Electrical RI463 63A Weatherproof Rotary Isolator Switch 4 Pole 1Live Electrical RI463 63A Weatherproof Rotary Isolator Switch 4 Pole 2

Live Electrical RI463 4 Pole 63A IP65 Rotary Isolator Switch

3 In stock
More available within 1-3 working days*
SKU: RI463
£17.99
Add to quote
WCED WAR240-030 WCED 2 Pole 40A 30mA Type A High Immunity RCD

WCED WAR240-030 2 Pole 40A 30mA Type A High Immunity RCD

2 In stock
More available within 1-3 working days*
SKU: WAR240-030
£16.17

2-£15.36£0.81£16.17
3-£14.96£1.21£16.17
Add to quote
WCED WKB240C WCED 2 Pole 40A C Curve 10 kA MCB 1WCED WKB240C WCED 2 Pole 40A C Curve 10 kA MCB 2

WCED 2 Pole 40A C Curve 10 kA MCB

Delivery usually within 1-3 working days*
SKU: WKB240C
£6.99

5-£6.71£0.28£6.99
10-£6.54£0.45£6.99
Add to quote
WCED WKB116B WCED 1 Pole 16A B Curve 10 kA MCB 1WCED WKB116B WCED 1 Pole 16A B Curve 10 kA MCB 2

WCED 1 Pole 16A Curve B 10kA MCB

12 In stock
More available within 1-3 working days*
SKU: WKB116B
£3.35

5-£3.22£0.13£3.35
10-£3.13£0.22£3.35
Add to quote
WCED RCD For Consumer Units

WCED Double Pole Type A 30mA RCBO Curve B – 10A

11 In stock
More available within 1-3 working days*
SKU: WER10B-030
£16.80
Add to quote
FuseBox MT06C401 FuseBox MT06C401 40A C Curve MCB 1

FuseBox MT06C401 40A C Curve MCB

9 In stock
More available within 1-3 working days*
SKU: MT06C401
£1.95
Add to quote
FuseBox MT10B201 FuseBox MT10B201 20A Single Pole 10kA B Curve MCB

FuseBox MT10B201 20A Single Pole 10kA B Curve MCB

22 In stock
More available within 1-3 working days*
SKU: MT10B201
£3.22
Add to quote
Live Electrical CB216C 2 Pole MCB 16A C Curve

Live Electrical CB216C 2 Pole 10kA MCB 16A C Curve

Delivery usually within 1-3 working days*
SKU: CB216C
£5.89
Add to quote
WCED WKC106B 10kA 1 Pole MCB Curve B 6A

WCED WKC106B 10kA 1 Pole MCB Curve B 6A

21 In stock
More available within 1-3 working days*
SKU: WKC106B
£2.65

5-£2.54£0.11£2.65
10-£2.48£0.17£2.65
Add to quote
Hager ADA106U Type A RCBO

Hager ADA182U RCBO 10kA C-32A 30mA Type A

2 In stock
This item cannot be back-ordered
SKU: ADA182U
£30.99
Add to quote
Hager NBN132A Hager NBN132A Single Pole Type B MCB 32A 10kA

Hager NBN132A Single Pole Type B MCB 32A 10kA

8 In stock
More available within 1-3 working days*
SKU: NBN132A
£8.94
Add to quote
Live Electrical EN6040/200 Live Electrical Metal Enclosure IP65 H:600 x W:400 x D:200mm 1Live Electrical EN6040/200 Live Electrical Metal Enclosure IP65 H:600 x W:400 x D:200mm 2

Live Electrical EN6040/200 IP65 Metal Enclosure H:600 x W:400 x D:200mm

Delivery usually within 1-3 working days*
SKU: EN6040/200
£75.90
Add to quote
WCED WME14/SP WCED 11 Way SPD Metal Consumer Unit

WCED 11 Way SPD Metal Consumer Unit

Delivery usually within 1-3 working days*
SKU: WME14/SP
£49.01
Add to quote
WCED WMC140C WCED Miniature Circuit Breaker 6kA Curve C - 40A 1WCED WMC140C WCED Miniature Circuit Breaker 6kA Curve C - 40A 2

WCED Miniature Circuit Breaker 6kA Curve C – 40A

7 In stock
More available within 1-3 working days*
SKU: WMC140C
£1.53
Add to quote
Live Electrical ENC865 Live Electrical 8 Way Plastic Enclosure IP65

Live Electrical ENC865 IP65 8 Way Plastic Enclosure

Delivery usually within 1-3 working days*
SKU: ENC865
£16.65
Add to quote
WCED WME18/SP/11RCBO WCED Consumer Unit Kit with SPD and 11 RCBOs 1

WCED Consumer Unit Kit with SPD and 11 RCBOs

Delivery usually within 1-3 working days*
SKU: WME18/SP/11RCBO
£140.25
Add to quote
Live Electrical MMGU32B-SP 4-Way EV Consumer Unit with 32A B Curve EV-Optimised RCBO, Type 2 SPD, and Internal Busbar – Indoor Use Live Electrical MMGU32B-SP EV Consumer Unit

Live Electrical MMGU32B-SP EV Consumer Unit with RCBO SPD & Busbar – 2P 32A B Curve Type A

9 In stock
More available within 1-3 working days*
SKU: MMGU32B-SP
£30.99

3-£29.44£1.55£30.99
5-£28.67£2.32£30.99
10-£27.89£3.10£30.99
20-£26.34£4.65£30.99
Add to quote
More products

Showing 361–380 of 1808 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.

 

READ MORE
© 2025 Electrical 4 Less
Electrical 4 Less

    Electrical 4 Less
    whatsup-logo
    Delivery Policy
    Free Next-Day Delivery Over £75 + VAT:
    Orders above £75 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

    Orders Below £150 + VAT:
    To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

    Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

    Orders Above £150 + VAT:
    For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.
    Dispatch Times
    Items with Lead Times (e.g., 1–3 Working Days):
    This means we need to source the product from our supplier before sending it to you. The estimated dispatch time is displayed on each product page.

    Out of Stock at Supplier:
    If an item is unavailable at the supplier, we will contact you promptly. You’ll have the option to choose an alternative product or request a full refund.