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Eterna BT4812 White Multi Voltage Bell / Chime Transformer IP20

Eterna BT4812 White Multi Voltage Bell / Chime Transformer IP20

BT4812

7 in stock for next day delivery see cut off times
40 in stock for 2-3 day delivery see more info
£8.65 inc Vat
£7.21 ex Vat
Free delivery for orders over £100 ex VAT

White Multi Voltage Bell / Chime Transformer – 4V, 8V & 12V Output, Double Insulated, IP20 Rated

This white multi-voltage bell/chime transformer is designed to power a wide range of door chimes and bell systems. Offering 4V, 8V, and 12V tappings, it provides installation flexibility and compatibility with most traditional and modern chimes. Housed in a durable nylon casing, the unit is double insulated and includes a thermal cut-out for added protection.

  • Multi-Voltage Output: Selectable 4V, 8V, or 12V tappings to suit a wide range of chimes and bells in domestic or commercial installations.
  • Double Insulated Design: No earth connection required, simplifying installation and ensuring compliance with modern safety standards.
  • Durable Nylon Construction: Robust, non-conductive body suitable for flush or surface mounting in dry indoor areas.
  • 1 Amp Rated: Provides sufficient capacity to operate most single or multiple chime systems reliably.
  • Built-in Thermal Cut-Out: Automatically disconnects in case of overheating, protecting both the transformer and connected devices.
Technical Specification
  • Output Voltages: 4V, 8V, 12V (selectable)
  • Current Rating: 1 Amp
  • Construction: White nylon
  • Insulation Class: Double insulated (no earth required)
  • Safety Features: Thermal cut-out
  • IP Rating: IP20 (indoor use only)

Choose this multi-voltage transformer for reliable, safe power to your bell or chime system—ideal for modern residential and light commercial installs!

Technical Information
Product Door Chime
Type Transformer
Delivery

Delivery Options:

  • PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
  • Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
  • Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)

*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).

Items requiring specialist shipping:

  • Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.

**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).

Contact us if you have any further questions.

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