BG CUB1 Bell Transformer 230 V AC, 8 - 24V


The BG CUB1 Bell Transformer with din rail mount is compatible with hard wired doorbells stepping down the voltage from 230V AC to either 8, 12 or 24V DC. It provides constant power to a mains powered doorbell through the consumer unit.

Suitable for use with the Nest Hello Video Doorbell - NC5100GB

Technical Data:
Dimensions80mm x 68mm x 35mm (H,W,D)
FinishWhite Moulded
InstallationSuitable on 35mm DIN Rail
Mount OptionDin rail mountable
Power SelectNo
TerminalAccepts up to 16mm cable
FeaturesRated Input Voltage: 230V AC 50/60Hz
FeatureRated Output Voltage: 8, 12, 24V

We offer a free 48 hour (2 working days) delivery service to most areas of the UK for orders over £25 *

For orders under £25 there is a small order charge of £3.95 per delivery.*

If you require a faster delivery please choose the relevant FedEx delivery option at check out and if your order is placed by 3pm we will deliver it the next working day (pre 12 noon delivery options available) - alternatively contact us on and we will be able to help you.

Please note orders are despatched on working days only - so if you place an order on a Saturday or Sunday it will be despatched on the following Monday.

We want you to be happy with your purchase, however if you change your mind you can return it to us under our 30 Day Money Back Guarantee.*

*For full details or our delivery and returns policies please refer to our Customer Services section or contact us on

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