Chint Double Pole RCBOs

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Chint double pole RCBO's (residual current circuit breaker with overload protection) are available in a choice of current ratings and tripping curves; please choose from the product options.

  • Features

    Chint double pole RCBO's (residual current circuit breaker with overload protection) are available in a choice of current ratings and tripping curves; please choose from the product options.

    Key Features

    • NB1L RCBOs aren't suitable for Chint consumer units or distribution boards, use the single pole versions for outgoing devices.
    • Residual current breaker with overload protection.
    • Single pole and neutral in two modular 36mm wide spacing.
    • RCBOs provide the combined functions of an MCB and RCD in one single pole device.
    • Budget priced alternative to the increasingly expensive Wylex, Merlin Gerin, MEM, Square D etc.
    • Breaking capacity: 6kA.
    • Tripping sensitivity: 30mA.
    • Available in B Curve or C tripping curves.
    • Manufacturer: Chint
    • Guarantee: 5 years
  • Specifications & Dimensions
    Amp Rating
    Brand Chint
    Breaking Capacity 6 kA
    Dimensions Located Below Specifications Table
    Product Type
    Sku NB1L-***
    Tripping Curve
    230V AC
    5 Years
    mA Rating 30 mA

    1 + Neutral Pole

    • Width: 36mm wide (Two modular width).
    • Height: 86mm
    • Depth: 69mm (including switch)


  • 7 Reviews Rating: 100%
  • Product Questions & Answers 1

    Product Questions & Answers

    Set Descending Direction
    Hi see below , it says it n your description that these Chint DP RCBO’s AREN’T Suitable for Chint DBS ? Is this a mistake?

    “Key Features”

    NB1L RCBOs aren't suitable for Chint consumer units or distribution boards
    Question by: Pete Williams on 29 May 2022, 14:45
    This was meant for the outgoing devices as Chint have a single pole version which fits their consumer units and distribution boards:

    If you want residual protection for the incoming device, you'd need an RCD, which can be supplied with the boards, but are available here:
    Answer by: Chris Horridge (Admin) on 31 May 2022, 06:43

    1 Item

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  • Data Sheets & Brochures
    Product Attachments
    Data Sheet chint-nb1l-rcbo-data-sheet.pdf
    Brand Brochure View or download brand brochure
  • Product Codes
    SKUPolesAmp RatingTripping Curve
    NB1L-B06Single Pole & Neutral6B
    NB1L-B10Single Pole & Neutral10B
    NB1L-B16Single Pole & Neutral16B
    NB1L-B20Single Pole & Neutral20B
    NB1L-B25Single Pole & Neutral25B
    NB1L-B32Single Pole & Neutral32B
    NB1L-B40Single Pole & Neutral40B
    NB1L-C06Single Pole & Neutral6C
    NB1L-C10Single Pole & Neutral10C
    NB1L-C16Single Pole & Neutral16C
    NB1L-C20Single Pole & Neutral20C
    NB1L-C25Single Pole & Neutral25C
    NB1L-C32Single Pole & Neutral32C
    NB1L-C40Single Pole & Neutral40C


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.

Click & Collect

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:

  • Monday to Thursday: 8AM - 5PM
  • Friday: 8AM to 4PM
  • Saturday: 9AM to 12PM

Courier & Tracking

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:

  • Channel Islands; Guernsey & Jersey (please select these from the Country list (not UK)
  • Isle of Man
  • Isle of Wight
  • Northern Ireland
  • Scottish Highlands, areas which we class as zone 1 are post codes: AB30-38, AB44-56, FK17-99, G83, IV1-28, IV30-32, IV33-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH18-26, PH30, PH31-41, PH49-50
  • Scottish Islands: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA30, PA32-34, PA41-49, PA60-78, PH42-44, ZE1-3

Zone 1 EU - Same rates as Zone UK

  • Republic of Ireland

Zone 2

Charged at £12. Includes the following areas:

  • Austria
  • Belgium
  • Denmark
  • France
  • Germany
  • Luxembourg
  • Netherlands

Zone 3

Charged at £25. Includes the following areas:

  • Czech Republic
  • Italy
  • Slovakia
  • Spain

Zone 4

Charged at £30. Includes the following areas:

  • Estonia
  • Finland
  • Hungary
  • Slovenia
  • Poland
  • Portugal
  • Sweden

Zone 5

Charged at £40. Includes the following areas:

  • Bosnia
  • Bulgaria
  • Croatia
  • Greece
  • Iceland
  • Latvia
  • Lithuania
  • Romania
  • Serbia

Zone 6

Charged at £60. Includes the following areas:

  • Norway
  • Russia
  • Switzerland
  • Ukraine

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.