Circuit Protection

Circuit Protection by Brand (1908)

Circuit Protection Devices (1064)

SPD Surge Protection Devices (127)

Three Phase Distribution Boards (93)

Switch Fuses - Isolators (174)

Street Lighting Circuit Protection (13)

Live Electrical LSMC10 10 Module Metal Enclosure

SKU: LSMC10

£28.58

Live Electrical FMC8M-SP 5 Way Flush SPD Metal Consumer Unit

Live Electrical FMC6M-SP 3 Way Flush SPD Metal Consumer Unit

SKU: FMC6M-SP

£54.82

Live Electrical LSMC12/100 100A Main Switch 10 Way Consumer Unit

SKU: LSMC12/100

£30.25

Live Electrical LSMC16/100 100A Main Switch 14 Way Consumer Unit

SKU: LSMC16/100

£34.49

Live Electrical LSMC18/100 100A Main Switch 16 Way Consumer Unit

SKU: LSMC18/100

£37.50

WCED WKC320B 10kA 3 Pole MCB Curve B 20A

SKU: WKC320B

£10.33

WCED WFD120B-030 Bi-Directional Type A 30mA B Curve 20A AFDD

SKU: WFD120B-030

Quantity Discount

Quantity	Price
1 - 2	£82.03 £98.44
3+	£78.75 £94.50
5+	£76.29 £91.55

£82.03

Live Electrical ENC18-PV4/1 18 Way (8 Fuses) Solar Consumer Unit DC 1000V 4 Input 1 Output

SKU: ENC18-PV4/1

£131.99

Niglon RCBO1-16/30SAX2 16A RCBO – Compact, Bi-Directional, Type A, Curve B, 30mA, 6kA RCBO.

Niglon RCBO1-16/30SAX2 16A Curve B 30mA Bi-Directional A Type RCBO

13 In Stock

SKU: RCBO1-16/30SAX2

£12.78

Niglon RCBO1-25/30SAX2 25A RCBO – Bi-Directional, Type A, Curve B, 30mA, Compact 18mm, 6kA Rated.

Niglon RCBO1-25/30SAX2 25A Curve B 30mA Bi-Directional A Type RCBO

3 In Stock

SKU: RCBO1-25/30SAX2

£12.78

Live Electrical ENC18 3 Strings Solar PV Consumer Unit

Live Electrical | ENC18 PV3/3 | 18-Way Solar PV Consumer Unit | 3 String Input 3 String Output DC | IP65 Rated

SKU: ENC18PV3/3

£203.32

Niglon PMCB10B1-40 40A Single Pole 10kA Curve B MCB

6 In Stock

SKU: PMCB10B1-40

£3.42

Niglon PMCB10C1-32 32A Single Pole 10kA Curve C MCB

9 In Stock

SKU: PMCB10C1-32

£3.42

Niglon PRCB01B1-50 1P + Neutral 50A Curve B Bi-Directional 10kA RCBO

Niglon PRCBO10B1-50 1P + Neutral 50A Curve B Bi-Directional 10kA RCBO

SKU: PRCBO10B1-50

£19.21

Niglon PRCBO10B3-40 40A 3 Phase Type A 10kA RCBO

SKU: PRCBO10B3-40

£72.09

Fusebox EV40ABD EV Consumer Unit 100A Main Switch 30mA 40A Bi-Directional RCBO

Fusebox EV40ABD EV Consumer Unit 100A Main Switch 30mA B40A Bi-Directional RCBO

SKU: EV40ABD

£42.04

Fusebox RFT800302 Type F 80A 30mA RCD

1 In Stock

SKU: RFT800302

£52.00

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

92 In Stock

SKU: DNO5G

Quantity Discount

Quantity	Price
1 - 9	£3.50 £4.20
10+	£3.40 £4.08
20+	£3.33 £4.00
50+	£3.26 £3.91

£3.50

Live Electrical Heat Pump Consumer Unit with Type F RCD

Live Electrical Heat Pump Consumer Unit with Type F RCD - LHP840MSF

Live Electrical Heat Pump SPD Consumer Unit with Type F RCD and C40 DP MCB

Out of Stock

This item cannot be back-ordered

SKU: LHP840MSF

£66.69

FuseBox F3015MZ Bi Directional SPD Consumer Unit Kit – with 12 RCBOs

In Stock

SKU: F3015MZ/BD/KIT/12

£243.10

Showing 941–960 of 2352 results

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.
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.
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.
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.
Surge Protection: Surge protection devices may be required to protect against voltage surges or lightning strikes, especially for sensitive electronic equipment.
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.
Circuit Isolation: BS 7671 also specifies requirements for circuit isolation devices such as switches and isolators.
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.
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.