facebook pixel Circuit Protection - Page 31 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 601–620 of 1806 results

Circuit Protection by Brand

Circuit Protection by Brand (1508)

EV Circuit Protection

EV Circuit Protection (111)

Consumer Units

Consumer Units (19)

DIN Rail Enclosures

DIN Rail Enclosures (51)

Three Phase Distribution Boards

Three Phase Distribution Boards (100)

Circuit Protection Devices

Circuit Protection Devices (798)

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)

FuseBox Bi-Directional Mini RCBO 06A C Curve 30mA Type A - Compact and Reliable Protection

FuseBox Bi-Directional Mini RCBO 20A C Curve 30mA Type A

17 In stock
More available within 1-3 working days*
SKU: RTAMC20BD
£16.95
Add to quote
Live Electrical 3P+N 40A C Curve 30mA Type A RCBO

Live Electrical 3P+N 40A C Curve 30mA Type A RCBO

Delivery usually within 1-3 working days*
SKU: RTN340C-030N
£79.95
Add to quote
Live Electrical SA140/1P+N 2 Pole Type 2 SPD Surge Protection Device

Live Electrical SA140/1P+N 2 Pole Type 2 SPD Surge Protection Device

Delivery usually within 1-3 working days*
SKU: SA140/1P+N
£14.94
Add to quote
WCED WKC120C 10kA 1 Pole MCB Curve C 20A

WCED WKC120C 10kA 1 Pole MCB Curve C 20A

Delivery usually within 1-3 working days*
SKU: WKC120C
£2.65

5-£2.54£0.11£2.65
10-£2.48£0.17£2.65
Add to quote
FuseBox F2014MX/KIT12 14 Way SPD Consumer Unit Kit with 12 RCBOs FuseBox F2014MX/KIT12 14 Way SPD Consumer Unit Kit with 12 RCBOs

FuseBox F2014MX/KIT12 14 Way SPD Consumer Unit Kit with 12 RCBOs

Delivery usually within 1-3 working days*
SKU: F2014MX/KIT12
£183.00
Add to quote
Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection Garo GCS8EV40CPME – EV Consumer Unit with PEN Fault Detection, Surge Protection and 40A Curve C Type A RCBO

Garo GCS8EV40CPME IP65 EV Consumer Unit with C40A Type A RCBO, PEN Fault Detection & Surge Protection

9 In stock
More available within 1-3 working days*
SKU: GCS8EV40CPME
£115.00
Add to quote
Live Electrical 10kA RCBO 50A Curve C Type A 30mA 1P+N

Live Electrical 10kA RCBO 50A Curve C Type A 30mA 1P+N

Delivery usually within 1-3 working days*
SKU: RA150C-030
£10.99
Add to quote
Hager JKLABELPACK Spare Label Pack - All Sizes (One Pack)

Hager JKLABELPACK Spare Label Pack – All Sizes (One Pack)

7 In stock
More available within 1-3 working days*
SKU: JKLABELPACK
£7.98
Add to quote
Live Electrical TPN12-125 Live Electrical TPN12-125 125A 12 Way TPN Distribution Board 1Live Electrical TPN12-125 Live Electrical TPN12-125 125A 12 Way TPN Distribution Board 2

Live Electrical TPN12-125 125A 12 Way TPN Distribution Board

Delivery usually within 1-3 working days*
SKU: TPN12-125
£164.90
Add to quote
Live Electrical CB310B Live Electrical CB310B 3 Pole 10A B Curve 10kA MCB 1Live Electrical CB310B Live Electrical CB310B 3 Pole 10A B Curve 10kA MCB 2

Live Electrical CB310B 3 Pole 10A B Curve 10kA MCB

10 In stock
More available within 1-3 working days*
SKU: CB310B
£9.99
Add to quote
Live Electrical CB310D Live Electrical CB310D 3 Pole 10A D Curve 10kA MCB 1Live Electrical CB310D Live Electrical CB310D 3 Pole 10A D Curve 10kA MCB 2

Live Electrical CB310D 3 Pole 10A D Curve 10kA MCB

11 In stock
More available within 1-3 working days*
SKU: CB310D
£9.99
Add to quote
Hager VMLF114 Hager VMLF114 14 Way Main Switch Flush Consumer Unit

Hager VMLF114 14 Way Main Switch Flush Consumer Unit

Delivery usually within 1-3 working days*
SKU: VMLF114
£81.19
Add to quote
Hager NCN306 MCB

Hager NCN306A 3 Pole Type C MCB 6A 10kA

Delivery usually within 1-3 working days*
SKU: NCN306A
£35.99
Add to quote
Hager NCN116A Hager NCN116A Single Pole Type C MCB 16A 10kA

Hager NCN116A Single Pole Type C MCB 16A 10kA

Delivery usually within 1-3 working days*
SKU: NCN116A
£8.94
Add to quote
Hager NBN116A Hager NBN116A Single Pole Type B MCB 16A 10kA

Hager NBN116A Single Pole Type B MCB 16A 10kA

24 In stock
More available within 1-3 working days*
SKU: NBN116A
£8.94
Add to quote
Hager VML114 14 Way RCBO Consumer Unit

Hager VML114RK 14 Way Main Switch Consumer Unit with Round Knockouts

1 In stock
More available within 1-3 working days*
SKU: VML114RK
£52.69
Add to quote
FuseBox F2016DX100 FuseBox F2016DX100 16 Way Dual RCD Consumer Unit + SPD 1

FuseBox F2016DX100 16 Way Dual RCD Consumer Unit + SPD

2 In stock
More available within 1-3 working days*
SKU: F2016DX100
£152.90
Add to quote
FuseBox INC254 FuseBox INC254 Contactor 4P 25A 230V 1

FuseBox INC254 4 Pole 25A 230V NO Normally Open AC Modular Contactor

3 In stock
More available within 1-3 working days*
SKU: INC254
£11.55
Add to quote
Live Electrical RT2100-100 Live Electrical 2 Pole Time Delay 100mA 100A RCD

Live Electrical RT2100-100 2 Pole Time Delay 100mA 100A RCD

Delivery usually within 1-3 working days*
SKU: RT2100-100
£28.50
Add to quote
Live Electrical TIME162D Live Electrical Double Module Digital Timer

Live Electrical Double Module Digital Timer

Delivery usually within 1-3 working days*
SKU: TIME162D
£30.95
Add to quote
More products

Showing 601–620 of 1806 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.