facebook pixel Circuit Protection - Page 53 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 1041–1060 of 1809 results

Circuit Protection by Brand

Circuit Protection by Brand (1508)

EV Circuit Protection

EV Circuit Protection (111)

Consumer Units

Consumer Units (281)

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 (110)

Hager JFB302U Hager JFB302U 20A TPN Metal Fused Switch

Hager JFB302U 20A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFB302U
£132.77
Add to quote
Hager JFB303U Hager JFB303U 32A TPN Metal Fused Switch 

Hager JFB303U 32A TPN Metal Fused Switch 

Delivery usually within 1-3 working days*
SKU: JFB303U
£162.04
Add to quote
Hager JFD306U Hager JFD306U 63A TPN Metal Fused Switch

Hager JFD306U 63A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFD306U
£256.19
Add to quote
Hager JFE310U Hager JFE310U 100A TPN Metal Fused Switch 1

Hager JFE310U 100A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFE310U
£440.36
Add to quote
Hager JFG316U Hager JFG316U 160A TPN Metal Fused Switch

Hager JFG316U 160A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFG316U
£776.00
Add to quote
Hager JFG320U Hager JFG320U 200A TPN Metal Fused Switch

Hager JFG320U 200A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFG320U
£783.20
Add to quote
Hager JFG325U Hager JFG325U 250A TPN Metal Fused Switch

Hager JFG325U 250A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFG325U
£992.89
Add to quote
Hager JFH331U Hager JFH331U 315A TPN Metal Fused Switch 1Hager JFH331U Hager JFH331U 315A TPN Metal Fused Switch 2

Hager JFH331U 315A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFH331U
£1,354.84
Add to quote
Hager JFH340U Hager JFH340U 400A TPN Metal Fused Switch 1Hager JFH340U Hager JFH340U 400A TPN Metal Fused Switch 2

Hager JFH340U 400A TPN Metal Fused Switch

Delivery usually within 1-3 working days*
SKU: JFH340U
£1,496.58
Add to quote
Hager JK106BA3 Hager JK106BA3 125A 6 Way TPN Board with Plain Door (Amendment 3)

Hager JK106BA3 125A 6 Way TPN Board with Plain Door (Amendment 3)

2 In stock
More available within 1-3 working days*
SKU: JK106BA3
£166.89
Add to quote
Hager JK116BA3 Hager JK116BA3 125A 16 Way TPN Board with Plain Door (Amendment 3)

Hager JK116BA3 125A 16 Way TPN Board with Plain Door (Amendment 3)

Delivery usually within 1-3 working days*
SKU: JK116BA3
£312.41
Add to quote
Hager JK118BA3 Hager JK118BA3 125A 18 Way TPN Board with Plain Door (Amendment 3)

Hager JK118BA3 125A 18 Way TPN Board with Plain Door (Amendment 3)

Delivery usually within 1-3 working days*
SKU: JK118BA3
£330.01
Add to quote
Hager JK124BA3 Hager JK124BA3 125A 24 Way TPN Board with Plain Door (Amendment 3)

Hager JK124BA3 125A 24 Way TPN Board with Plain Door (Amendment 3)

Delivery usually within 1-3 working days*
SKU: JK124BA3
£394.41
Add to quote
Hager JK11254S Hager JK11254S 125A 4 Pole Mains Switch Incomer Kit 1Hager JK11254S Hager JK11254S 125A 4 Pole Mains Switch Incomer Kit 2

Hager JK11254S 125A 4 Pole Mains Switch Incomer Kit

3 In stock
More available within 1-3 working days*
SKU: JK11254S
£91.86
Add to quote
Hager JK101SPD Hager JK101SPD 125A Surge Protection Kit Type 1 & 2 1Hager JK101SPD 125A Surge Protection Kit Type 1 & 2 Three Phase

Hager JK101SPD 125A Surge Protection Kit Type 1 & 2

Delivery usually within 1-3 working days*
SKU: JK101SPD
£384.56
Add to quote
Hager NBN306A Triple MCB

Hager NBN320A 3 Pole MCB Type B 20A 10kA

4 In stock
More available within 1-3 working days*
SKU: NBN320A
£35.99
Add to quote
Hager NBN306A Triple MCB

Hager NBN325A 3 Pole MCB Type B 25A 10kA

Delivery usually within 1-3 working days*
SKU: NBN325A
£35.99
Add to quote
Hager NBN306A Triple MCB

Hager NBN363A MCB 3 Pole Type B 63A 10kA

4 In stock
More available within 1-3 working days*
SKU: NBN363A
£38.39
Add to quote
Hager NCN306 MCB

Hager NCN310A 3 Pole MCB Type C 10A 10kA

Delivery usually within 1-3 working days*
SKU: NCN310A
£35.99
Add to quote
Hager NCN306 MCB

Hager NCN316A 3 Pole MCB Type C 16A 10kA

Delivery usually within 1-3 working days*
SKU: NCN316A
£35.99
Add to quote
More products

Showing 1041–1060 of 1809 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.