ESR Bell Transformer Module For Domestic Consumer Unit Boards 

This bell transformer module is a great addition for your ESR domestic consumer unit, and is ideal for leading safe levels of power through your doorbell system.

This bell transformer will use 3 modules/ways on your ESR consumer unit rail bar, and will transform 220V power into 12V/8V power that is safe to use with a doorbell system.

Main Features:

• Bell transformer module
• Easily installed in your ESR modular consumer unit
• Safe and reliable product
• Modular size: 3 Module/way
• BS EN61095

These modules are ideal for use with a 17th Edition Consumer Unit from ESR