RS PRO 100 VA Isolation Transformer, 1 Output, 24-0-24V AC, IEC61558-2-4, Panel Mount, 504-151

The RS PRO 504-151 Isolation Transformer is a robust, panel-mounted transformer designed for electrical isolation and power transfer in industrial, laboratory, and commercial applications. Engineered to deliver a maximum power rating of 100 VA, this unit provides essential galvanic isolation between the mains supply and the connected equipment, directly enhancing safety and protection.

With a flexible dual primary winding that accommodates +15, 0, 230, and 400 V AC inputs via switchable taps, the transformer can adapt to a broad range of control circuits and installation standards. Its secondary side is centre-tapped and delivers a reliable 24-0-24 V AC output, making it well suited for powering sensitive loads, control equipment, testing devices, or medical isolation circuits.

The RS PRO 504-151 is fully shrouded with cage clamp terminals bearing clear voltage markings, permitting swift, secure wiring. It is constructed with robust laminations for exceptional low-noise operation and improved energy efficiency. Advanced varnish impregnation and a fully enclosed design ensure sustained resistance to humidity and corrosion, making it a dependable choice even in demanding environments.

Thanks to a substantial operating temperature range from -30 to +130 degrees Celsius and frequency support from 50 to 60 Hz, this isolation transformer is suitable for applications in process automation, laboratory instrument protection, industrial control panels, and sensitive device powering, providing safety and stability where it matters most.

The transformer complies with IEC61558-2-4 and relevant BS EN standards, ensuring electrical and flash testing consistency for demanding control and general circuit duties. The device measures 84 mm in length, 97 mm in width, and 91 mm in depth, with a compact footprint for easy integration into tight panels or control boxes. Its fixing holes, 4.5 mm in diameter, facilitate straightforward mounting, and with a 2.5 kg weight, it maintains stability post-installation.

Typical use cases include industrial automation panels, laboratory power isolation, medical and test equipment supply, noise-sensitive instrumentation, and scenarios requiring dependable separation and noise suppression between primary and secondary AC circuits.

Explore RS PRO’s full range of panel mounting transformers and electrical isolation solutions across our Chassis Mounting Transformers category for reliable, efficient industrial electrical components.