Circuit Protection

Circuit protection devices are essential for ensuring the safety and reliability of electrical systems in both residential and commercial settings. These devices prevent damage to electrical circuits by interrupting the flow of excessive current or voltage, thereby protecting equipment and reducing the risk of fire.

Circuit Protection by Brand (1941)

Consumer Units (477)

Circuit Protection Devices (1068)

EV Circuit Protection (109)

SPD Surge Protection Devices (124)

Three Phase Distribution Boards (93)

Switch Fuses - Isolators (176)

Switch Gear (266)

Street Lighting Circuit Protection (13)

FuseBox RTA063230B 30mA Curve B 32A Type A RCBO

FuseBox | RTA063230B | 6kA | 30mA | Curve B | Type A RCBO | 32A

116 In Stock

SKU: RTA063230B

£9.99

FuseBox RTA060630B 30mA Curve B 6A Type A RCBO

FuseBox | RTA060630B | 6kA | 30mA | Curve B | Type A RCBO | 6A

238 In Stock

SKU: RTA060630B

£9.99

WCED WEC440SP Meter Supply Isolator with Surge Protection

30 In Stock

SKU: WEC440SP

£26.87

Fusebox ADRB Din Rail Mounted Blank

1052 In Stock

SKU: ADRB

£1.28

Live Electrical | PCUBLANK | DIN Rail Solid Blank

535 In Stock

SKU: PCUBLANK

£0.72

FuseBox RTA061630B 30mA Curve B 16A Type A RCBO

FuseBox | RTA061630B | 6kA | 30mA | Curve B | Type A RCBO | 16A

172 In Stock

SKU: RTA061630B

£9.99

EV Consumer Unit with A Type DP B40 RCBO and SPD 2

WCED | WMRC40BSP | EV Consumer Unit | Type A DP 40A B Curve RCBO & SPD

Available to Order

SKU: WMRC40BSP

Quantity Discount

Quantity	Price
1 - 2	£29.90 £35.88
3+	£29.30 £35.16
5+	£28.70 £34.44
10+	£27.51 £33.01

£29.90

EV Consumer Unit with A Type DP C40 RCBO and SPD 2

WCED | WMRC40CSP | EV Consumer Unit | Type A DP 40A C Curve RCBO & SPD

Available to Order

SKU: WMRC40CSP

Quantity Discount

Quantity	Price
1 - 2	£29.90 £35.88
3+	£29.30 £35.16
5+	£28.70 £34.44
10+	£27.51 £33.01

£29.90

Metal Blank MCUBLANK for Metal Consumer Unit and TPN Boards

187 In Stock

SKU: MCUBLANK

£0.40

FuseBox RTA062030B 30mA Curve B 20A Type A RCBO

FuseBox | RTA062030B | 6kA | 30mA | Curve B | Type A RCBO | 20A

111 In Stock

SKU: RTA062030B

£9.99

Live Electrical AMR132B-030 30mA Type A 32A 6kA B Curve Bi-Directional RCBO

Live Electrical | AMR132B-030 | 6kA 30mA | Type A B Curve | Bi-Directional RCBO | 32A

225 In Stock

SKU: AMR132B-030

£8.22

Live Electrical 10kA RCBO 32A Curve B Type A 30mA 1P+N

Available to Order

SKU: RA132B-030

£10.99

Live Electrical AMR106B-030 30mA Type A 6A 6kA B Curve Bi-Directional RCBO

Live Electrical | AMR106B-030 | 6kA 30mA | Type A B Curve | Bi-Directional RCBO | 6A

180 In Stock

SKU: AMR106B-030

£8.22

WCED WEC2100 2 Way 100A Enclosure Meter Isolation Switch

Available to Order

SKU: WEC2100

£8.84

Live Electrical 10kA RCBO 6A Curve B Type A 30mA 1P+N

Available to Order

SKU: RA106B-030

£10.99

WCED Metal Blank for Consumer Unit

333 In Stock

SKU: MEBLANK

£0.15

Live Electrical 10kA RCBO 16A Curve B Type A 30mA 1P+N

3 In Stock

SKU: RA116B-030

£10.99

WCED Type A Bi-Directional Curve B 32A 30mA RCBO – WRB132B-030

17 In Stock

SKU: WRB132B-030

£10.00

Fusebox ADRBTPN Single TPN Din Rail Mounted Blank

49 In Stock

SKU: ADRBTPN

£1.15

EV Consumer Unit with A Type DP C32 RCBO and SPD 2

WCED | WMRC32CSP | EV Consumer Unit | Type A DP 32A C Curve RCBO & SPD

Available to Order

SKU: WMRC32CSP

Quantity Discount

Quantity	Price
1 - 2	£29.90 £35.88
3+	£29.30 £35.16
5+	£28.70 £34.44
10+	£27.51 £33.01

£29.90

Showing 1–20 of 2370 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.