Cable & Cable Installations
Lighting & Lamps
Wiring Accessories
Cable Accessories
Power Distribution
Heat & Vent
Energy Controls
Fire & Security
Tools & Fixings
Test Equipment
Site Equipment & Lighting
EV Charging
Solar
.png){kind=small}
Hager ST303 Bell Transformer 230V - 50/60 Hz, 8-12V, 8VA 2 Mod
ST303
Hager ST303 Bell Transformer 230V – 8/12V, 8VA, 2 Module DIN Rail Mounted Transformer
The Hager ST303 Bell Transformer is a compact DIN rail mounted transformer designed to provide a safe low-voltage supply for doorbells, chimes, and signalling applications. With selectable 8V and 12V outputs and an 8VA rating, it offers a reliable solution for residential and light commercial installations.
- Dual Voltage Output: Provides selectable 8V or 12V AC output to suit a range of bell and chime systems.
- 8VA Power Rating: Delivers reliable low-voltage power for door entry and signalling applications.
- DIN Rail Mounted: Designed for straightforward installation within consumer units and distribution boards.
- 2 Module Width: Compact design helps maximise available space within the enclosure.
- Reliable Performance: Manufactured to Hager's high standards for dependable long-term operation.
Technical Specification
- Product Code: ST303
- Input Voltage: 230V AC, 50/60Hz
- Output Voltage: 8V / 12V AC
- Power Rating: 8VA
- Module Width: 2 Modules
✅ Choose the Hager ST303 Bell Transformer for reliable low-voltage power, compact DIN rail installation, and dependable performance in doorbell and signalling applications.
| Product | Consumer Unit Accessory |
| Type | Bell Transformer |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 4:30 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.