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Cat. No. T12HP - Remote Transformer for use with 12 Volt SELV (Safety Extra Low Voltage) Ø100mm (4'') and Ø120mm (5'') Bathroom/Shower Extractor Fans with Adjustable Humidity Control, Integral Adjustable Electronic Timer and Pullcord Override Switch.

Designed to power 12V Low Voltage fans installed in the splash area of the shower or bath, the Transformer can be mounted high-up on the ceiling next to the pullcord light switch.


  • Surface mounted only.
  • Fitted with a neon light and complete with pattress (standard 25mm deep double pattress).
  • Must be mounted out of reach of the person using the bath or shower.
  • Manufactured using impact resistant high gloss ABS thermoplastics for strength and durability, aesthetics and easy cleaning.
  • Transformer with cover removed showing adjuster knobs.
  • Complete with Humidistat (Humidity Control) which is adjustable between 40% RH and 95% RH.
  • Timer model, incorporates integral electronic timer adjustable between 1 and 20 mins.
  • Includes a pullcord override facilty for manual operation. It requires no switched live supply.
  • Input 220-240V - 50Hz . Output 12V - 50Hz, 25VA SELV.
  • White finish.

Dimensions (mm):

Height x Width x Depth: 82 x 145 x 65.

Additional Information:

Transformer is double insulated and does not require an earth, but must be connected to the supply through a suitable double pole (DP) isolating switch with a minimum contact gap of 3mm on fixed wiring circuits. The protective fuse must not exceed 3 amp. It is recommended that installation must be supervised by a qualified electrician.

For more information, please visit this products specification webpage.

Products installation instructions manual.