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Metal Clad 13A RCD Fused Spur Unit Type A 30mA - Latching

£2799
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Knightsbridge M6RCD is a 13A RCD fused spur unit in a metal clad enclosure, providing Type A 30mA residual current protection for AC faults and pulsating DC currents up to 6mA. The unit is designed for fixed appliances with electronic components such as IT equipment, server racks, washing machines, and modern heating controls where standard AC-only RCDs may not trip reliably.

Suited to domestic utility rooms, workshops, server cupboards, and light commercial installations, the unit acts as both an isolation point and a safety device for equipment drawing up to 13A continuous load. The latching design means the RCD automatically resets after a mains power outage without manual intervention, making it suitable for installations where equipment must restart unattended after a power cut. The fuse carrier allows a replaceable 13A cartridge fuse to be fitted for overcurrent protection.

The 81mm square steel enclosure is powder-coated in silver-grey and provides IP20 ingress protection, suitable for dry indoor locations. The faceplate carries test and reset buttons with a dual-colour status indicator: green when the RCD is armed, red when tripped. The captive terminals accept standard UK wiring and the earth terminal is provided as standard. Trip time at 30mA is under 40ms, meeting BS EN 61008 requirements for personal protection.

Specification
Height 81 mm
Width 81 mm
Projection 50 mm
Construction Premium grade steel
Construction 2 & thermoset resin
Finish Powder-coated Silver/Grey
Class I
IP Rating IP20
Primary Voltage 230V 50Hz
Earth Terminal Yes
Terminal Captive
RCD functionality 30mA Type-A latching
Warranty 2
Downloads

Product Specification Sheet

Frequently Asked

What's the difference between Type A and Type AC RCDs?

Type AC RCDs detect AC sinusoidal residual currents only. Type A detects AC currents plus pulsating DC currents up to 6mA, making it suitable for modern electronic loads such as IT equipment, variable-speed drives, and appliances with switch-mode power supplies that can introduce DC components into earth faults.

What does latching mean?

Latching means the RCD will automatically reset itself after a mains power outage without manual intervention. Non-latching RCDs remain tripped after a power cut and require someone to physically press the reset button before the circuit is live again. Latching types suit installations where equipment must restart unattended.

Can this be used outdoors?

No. The IP20 rating provides protection against solid objects larger than 12.5mm but no protection against water ingress. This unit is for dry indoor locations only. For outdoor or damp environments, an IP-rated weatherproof enclosure would be required.

What fuse should be fitted?

The unit accepts a standard BS 1362 13A cartridge fuse. The fuse rating should match the connected load: use a 3A fuse for loads up to 720W, a 5A fuse for loads up to 1,150W, or a 13A fuse for loads between 1,150W and 3,000W.

Shipping & Returns

Free worldwide delivery

Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

Returns

30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.

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    Description

    The Knightsbridge M6RCD is a 13A RCD fused spur unit in a metal clad enclosure, providing Type A 30mA residual current protection for AC faults and pulsating DC currents up to 6mA. The unit is designed for fixed appliances with electronic components such as IT equipment, server racks, washing machines, and modern heating controls where standard AC-only RCDs may not trip reliably.

    Suited to domestic utility rooms, workshops, server cupboards, and light commercial installations, the unit acts as both an isolation point and a safety device for equipment drawing up to 13A continuous load. The latching design means the RCD automatically resets after a mains power outage without manual intervention, making it suitable for installations where equipment must restart unattended after a power cut. The fuse carrier allows a replaceable 13A cartridge fuse to be fitted for overcurrent protection.

    The 81mm square steel enclosure is powder-coated in silver-grey and provides IP20 ingress protection, suitable for dry indoor locations. The faceplate carries test and reset buttons with a dual-colour status indicator: green when the RCD is armed, red when tripped. The captive terminals accept standard UK wiring and the earth terminal is provided as standard. Trip time at 30mA is under 40ms, meeting BS EN 61008 requirements for personal protection.

    Specification
    Height 81 mm
    Width 81 mm
    Projection 50 mm
    Construction Premium grade steel
    Construction 2 & thermoset resin
    Finish Powder-coated Silver/Grey
    Class I
    IP Rating IP20
    Primary Voltage 230V 50Hz
    Earth Terminal Yes
    Terminal Captive
    RCD functionality 30mA Type-A latching
    Warranty 2
    Downloads

    Product Specification Sheet

    Frequently Asked

    What's the difference between Type A and Type AC RCDs?

    Type AC RCDs detect AC sinusoidal residual currents only. Type A detects AC currents plus pulsating DC currents up to 6mA, making it suitable for modern electronic loads such as IT equipment, variable-speed drives, and appliances with switch-mode power supplies that can introduce DC components into earth faults.

    What does latching mean?

    Latching means the RCD will automatically reset itself after a mains power outage without manual intervention. Non-latching RCDs remain tripped after a power cut and require someone to physically press the reset button before the circuit is live again. Latching types suit installations where equipment must restart unattended.

    Can this be used outdoors?

    No. The IP20 rating provides protection against solid objects larger than 12.5mm but no protection against water ingress. This unit is for dry indoor locations only. For outdoor or damp environments, an IP-rated weatherproof enclosure would be required.

    What fuse should be fitted?

    The unit accepts a standard BS 1362 13A cartridge fuse. The fuse rating should match the connected load: use a 3A fuse for loads up to 720W, a 5A fuse for loads up to 1,150W, or a 13A fuse for loads between 1,150W and 3,000W.

    Shipping & Returns

    Free worldwide delivery

    Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

    Returns

    30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.