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DIN-Rail mounted Bell Transformer Module in White, 240V AC in, 8/12/24V DC Out

Model No. TR2 by: BG Electrical
Availability: Usually 3-5 days


List price £38.60
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(over £100+VAT, applies to zones A&B only , £6 +VAT otherwise)
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This BG Nexus CUB1 bell transformer is part of the BG range of control devices and is suitable for use within any BG metal or insulated consumer unit and any enclosure. It is DIN rail mountable and changes 240V AC power into either 8, 12 or 24V DC, providing constant power to the mains powered door bell. It can be used as part of a high integirty circuit so that it is not effected by an RCD tripping. 

DIN-rail Mounted Bell Transformer Module - Features

  • Function: Bell Transformer Module
  • Rated Input Voltage: 230 V AC
  • Rated Output Voltage: 8, 12, 24 V
  • Rated Frequency: 50 / 60 Hz
  • Rated Power Output: 8 VA, 8V = 1A, 12V = 0.667A, 24V = 0.333A
  • Installation: Indoor
  • Consumption: 1.15 W
  • Finish: White gloss
  • Service Period: Continuous Operation
  • Installation: Suitable on 35mm DIN Rail
  • Terminal Size: Accepts up to 16mm² Cable
  • Dimensions: 80mm height, 68mm width, 35mm depth
  • Weight: 0.32kg

Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.

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Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.


We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.