TBL 090-124 power supply with 24V DC 3.75A 90W output from TracoPower's TBL series of small DIN rail power supplies designed especially for building and factory automation.The ultra-compact low profile case fits in standardised wall mounted control panels used in the building automation industry. The power supply can be operated at full load across an ambient temperature range of â25°C to +60°C without need of additional cooling. Universal input voltage range and full compliance with all important safety and EMC standards qualifies all TBL series power supplies for worldwide markets. For commercial and residential applications requiring safety class ll the models up to 60 Watt are approved to UL 1310.