FuseBox Mini RCBOs Type A & AC

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  • Available in current ratings ranging from 6A to 40A
  • Type AC & Type A protection in one device
  • Protects AC & DC current types
  • B and C type tripping curves
  • Number of poles: 2 (switched Live and Neutral)
  • Standard 18mm - one modular width design
  • Compatible with FuseBox consumer units
  • Features

    The new mini RCBO from FuseBox with type A & AC Type RCD protection in one. RCBO's (Residual Current Circuit Breaker with Overload Protection) provide residual and overload protection in one neat device.

    The miniature design of the FuseBox RCBO is just 83mm in height, the same size as an MCB. Provider a neater, more compact fit inside a consumer unit.

    The double pole design (switched Live and Neutral) offers the most comprehensive circuit protection available.

    Available in current ratings that range from 6A to 40A and in B and C type tripping curves.

    Type AC RCBOs are used for general purpose on AC (Alternating Current) only circuits. Type A are used for DC (Direct Current) protection, these mini RCBOs provide both levels of protection.

    Key Features

    • Available in current rating options: 6A to 40A
    • B and C type tripping curves now available
    • Number of poles: 2 (switched Live and Neutral)
    • AC Type & A Type in one
    • Breaking capacity: 6kA
    • Terminal capacity: 1-16mm² L in, 1-10mm² Lout/Nout
    • mA rating: 30mA
    • Standard: BS EN 61009-1
    • IP rating: IP20Material: PA6 (Nylon 6)
    • Voltage: 230V 50/60Hz
    • Manufacturer: FuseBox
  • Specifications & Dimensions
    Amp Rating
    Breaking Capacity 6 kA
    Dimensions Located Below Specifications Table
    Poles 2
    Product Type
    RCD Type Type A & AC
    Sku RTAM***
    Tripping Curve
    230-415V AC
    1 Years
    mA Rating 30 mA
    • Width: 18mm
    • Height: 83mm (same height as an MCB)
    • Depth: 69.6mm
  • 42 Reviews Rating: 98%
  • Product Questions & Answers 4

    Product Questions & Answers

    Set Descending Direction
    Hi, will this fit ?.I have MEM miniture m6 type B trips in my consumer unit
    Question by: David Brown on 27 Nov 2022, 15:08
    I've taken a look at those MEM MCBs and they look like an odd shape, so I'd say no. Its difficult to accurately answer, you'd need to try one.

    Manufacturers don't recommend fitting other brands in their boards.
    Answer by: Chris Horridge (Admin) on 28 Nov 2022, 07:44
    how many blanking plates come with this unit

    Question by: Pete Riley on 12 Feb 2023, 23:10
    This is just an RCBO that takes up one modular width. It doesn't come with an blanking plates.

    Blanks can be ordered here:
    Answer by: Chris Horridge (Admin) on 13 Feb 2023, 07:19
    Are the fusebox mini rcbo’s bi-directional for use with solar pv ?
    Question by: Ian Wilson on 14 May 2023, 23:31
    FuseBox RCBOS are not bi-directional.

    PV circuits cannot be protected by an RCBO as it is not bi-directional. This can result in the RCBO not working as intended or tripping as a result of current flowing in the wrong direction to the terminal markings. Solution is an RCD and MCB.
    Answer by: Chris Horridge (Admin) on 15 May 2023, 09:48
    Do these fit in the new TPN fusebox boards?
    Question by: gary on 21 Oct 2023, 02:40
    Yes all 6kA devices fit in the TPN board. This is on page 2 of the FuseBox FBTPN01 brochure.

    Just don’t mix and match 6kA and 10kA!
    The 10kA devices are recommended and FuseBox have mini 10kA devices expected in 2024.
    Answer by: Chris Horridge (Admin) on 25 Oct 2023, 07:20

    4 Item(s)

    Show per page
  • Data Sheets & Brochures
  • Product Codes
    SKU Amp Rating Tripping Curve
    RTAMB06 6 B
    RTAMB10 10 B
    RTAMB16 16 B
    RTAMB20 20 B
    RTAMB25 25 B
    RTAMB32 32 B
    RTAMB40 40 B
    RTAMC06 6 C
    RTAMC10 10 C
    RTAMC16 16 C
    RTAMC20 20 C
    RTAMC25 25 C
    RTAMC32 32 C
    RTAMC40 40 C


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Free Delivery

Applies to orders over £50 excluding VAT. If the order is below £50 a delivery charge of £5 +VAT will be added for a 1-3 day tracked service.

Guaranteed next working day deliveries are available from £7 +VAT and free for orders over £150 +VAT, depending on the warehouse location. See delivery zones below for Scottish Highlands and International shipping zones. This applies to orders up to 30kg in weight.

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You can collect your order from our warehouse which is located at Unit 4A Buckley Rd Ind Est, Buckley Road, Rochdale, OL12 9EF.

Our warehouse opening hours are:

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  • Friday: 8AM to 4PM
  • Saturday: 9AM to 12PM

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We use  DPD Local for all of our deliveries apart from heavier palleted goods. If you insert your mobile number at checkout, you will receive a text message to confirm your delivery date the day before the delivery. On the delivery day you'll receive further text updates including a 1 hour delivery slot. If you're not available you can arrange a different date or alternative drop-off point with DPD. Tracking information and order updates will also be available in your customer order area.


DPD Local provide a contact-free delivery service. Our warehouse and delivery network will remain open. This includes lock downs.

Export Information & Brexit

We're proud to offer a worldwide delivery service to any location in the known universe. Simply input your delivery details in the checkout and the shipping costs and relevant taxes will be calculated. A breakdown of delivery costs and zones can also be located below.

Delivery Zones

Zone 0

Standard UK mainland areas. Free delivery on orders over £50 excluding VAT.

Zone 1 UK

Charged at £7 excluding VAT and free on orders over £150 excluding VAT. Includes the following areas:

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Zone 1 EU - Same rates as Zone UK

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Charged at £12. Includes the following areas:

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Charged at £60. Includes the following areas:

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Zone 7

The rest of the world is charged at £80.

Cut Off & Delivery Times

If your order is placed before 3PM Monday to Thursday and before 2PM on Friday it will usually leave on a next day delivery service. This is providing that all of the items are in stock, we have live stock data on each product on our website. If your order is particularly urgent please choose the next working day option or part shipment option were we ship the items we have in stock and send the rest when they arrive. These as a guaranteed delivery services, if your delivery doesn't arrive, we'll refund the delivery charge. We prioritise next day deliveries over standard orders and will contact you if any goes wrong with the order.

If we are out of stock of any items you will receive a notification by email. If the items are delayed by longer than a week then we will notify you of this. We can also arrange for direct shipments from some of our manufacturers, if we are out of stock and you need something urgently please contact us and we will offer the fastest delivery options.

Next day deliveries are classed as next working day and don't include weekends. We also offer Saturday AM and Saturday all day services which are available at the checkout for zone 0 addresses. A Sunday service is also available on request, or you can place a Saturday delivery and change the delivery date directly with DPD via their App after you receive your tracking information.

Returns can now be generated within the customer order area here. Simply select your order from the dropdown menu along with a reason for return. Your return will then get processed quickly and efficently. Alternatively email us at: [email protected] with your order number and reason for return and we'll send you a returns authorisation form.

Returns & Cancellations

If you’re not satisfied with your goods and would like to return them, we will accept them back at the customer's expense. All unwanted goods must be returned in 100% resalable condition and within 30 days. Resalable condition includes no markings on the wires or terminals and no damage to the packaging.

To cancel your order please contact us immediately as we process and ship most of orders immediately, we're fast!

How to Return

Please log-in to your account and follow the simple process to generate a returns request. Or email our team at: [email protected]. We recommend returning goods using a recorded delivery method.


Refunds will be issued within 14 days of receipt of goods. Refunds of delivery costs will not be issued unless the products are defective.

Shortages & Damaged Goods

Shortages and damaged goods must be notified within 48 hours preferably by email to  [email protected] or Tel: 01706 860011.