EATON ovikellomuuntaja 8V/1A TR-G/8 (272480)

For electricians and installers setting up wired doorbell systems in residential or light commercial buildings, the EATON TR-G/8 provides a reliable 8V AC supply from a standard 230V mains connection. This DIN rail mounted transformer delivers a stable 1A output for chimes and bells, with thermal short-circuit protection to prevent overheating. Its compact 1 TE width saves space in distribution boards, and screw terminals allow quick, secure wiring. The light grey thermoplastic housing blends into standard electrical enclosures.

Key specifications

• Input voltage: 230V AC
• Output voltage: 8V AC
• Output current: 1A
• Output power: 8 VA
• Frequency: 50/60 Hz
• Mounting: DIN rail, 1 TE width (18 mm)
• Connection: Screw terminals
• Protection: Thermal short-circuit protection
• Housing: Thermoplastic, light grey
• Operating temperature: -5°C to +40°C

Why choose it

This transformer is engineered for dependable performance in doorbell circuits. Thermal protection automatically cuts off in case of a short circuit, preventing damage to the transformer and connected bell. The DIN rail mounting and 18 mm width make installation straightforward in modern consumer units.

Ideal use cases

• Powering wired doorbells and chimes in homes
• Supplying low-voltage AC for bell systems in offices or shops
• Replacing faulty bell transformers in existing installations

Good to know

The transformer is designed for indoor use in dry environments. It operates on both 50 Hz and 60 Hz mains frequencies, making it suitable for various regions. Always ensure the total load does not exceed 8 VA to maintain reliable operation.