Functional Devices PSM24A24DAS Power Supply

The Functional Devices PSM24A24DAS is a versatile isolated linear DC power supply engineered for demanding building automation and HVAC control applications. This track mount power supply accepts a 24Vac input and delivers an adjustable 1.5-28Vdc output, providing reliable power for sensitive electronics. Field technicians appreciate the high-precision 300mA adjustable output, which allows for exact voltage matching in the field. Built with an integrated MT212-4 mounting track, the unit easily integrates into standard 2.75-inch or 4-inch control panels. Designed for durability in mechanical rooms, it features electrical and thermal overload protection with an auto-reset function, ensuring continuous operation even during transient faults. The manual ON/OFF switch and LED status indicator simplify diagnostic checks and system commissioning for industrial and commercial contractors.

• Adjustable Voltage Range: Precise output from 1.5Vdc to 28Vdc allows for universal compatibility with diverse low-voltage controllers.
• Isolated Design: Provides critical electrical isolation between the AC supply and DC load to protect expensive downstream equipment.
• Contractor-Friendly Installation: Includes a dual-width mounting track (2.75" and 4") for rapid snap-in placement in standard enclosures.
• Circuit Protection: Integrated thermal and electrical protection eliminates the need for manual fuse replacements after typical overload events.
• Regulatory Compliance: UL Listed (UL916 and Class 2), CE, and RoHS certified for safe use in professional-grade control panels.

How do I adjust the output voltage on the PSM24A24DAS?
The output is fine-tuned via an onboard potentiometer. Use a multimeter at the DC terminals to confirm the desired voltage before connecting your load.

What is the maximum current this power supply can handle?
This linear supply is rated for a 300mA maximum output at 24Vdc. Current capacity varies slightly by voltage, such as 125mA at 12Vdc, to maintain class 2 limits.

Can this be mounted in a standard electrical panel?
Yes, the provided MT212-4 track is compatible with standard control panel mounting hardware, allowing for organized DIN-style or screw-mount placement.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.