RS PRO Toroidal Transformer Dual Primary 2 x 115 V AC Dual Secondary 2 x 55 V AC 50 VA 450mA 540-4974

RS PRO presents the 540-4974 Toroidal Transformer featuring dual primary windings rated at 2 x 115 V AC and dual secondary windings rated at 2 x 55 V AC, delivering a power capacity of 50 VA at 450mA current.

This transformer is designed with an 80 mm diameter and a height of 34 mm, making it compact and suitable for various electronic and power applications. The dual secondary and primary windings can be connected in series or parallel, offering versatile configuration options.

Its toroidal design ensures low induced noise (hum) and minimal radiated magnetic interference, ideal for sensitive industrial and electronic environments. This unit operates efficiently between 50 Hz and 60 Hz frequencies with a maximum operating temperature of 105°C, suitable for standard industrial power supplies.

Constructed following IEC and AS NZS safety standards, including IEC BS EN 61558-1 and AS NZS 61558.2.4, it offers assured compliance and safety, with additional certifications such as RoHS, UL506, and CE marking.

The transformer is supplied with a full mounting kit to facilitate easy and secure installation in industrial, electronic, and commercial equipment setups. Weighing only 760 grams, this Toroidal Transformer offers a lightweight alternative to traditional laminated transformers without sacrificing reliability.

All units undergo 100% electrical and flash testing to ensure heightened safety and performance, making it suitable for electronics manufacturing, power supply units, industrial instrumentation, and HVAC applications.

Compact design with an 80 mm diameter and 34 mm height for easy integration. Dual primary and secondary windings allow series or parallel connections. Low noise and minimal radiated magnetic field for quiet operation. Operates between 50 Hz and 60 Hz frequency ranges at maximum temperature of 105°C.

Complies with IEC BS EN 61558-1 and AS NZS 61558.2.4 standards ensuring high safety and quality. Includes full mounting kit for flexible and secure installation. Lightweight at 760 grams enabling convenient handling and installation.

Tested for 100% electrical and flash safety ensuring reliability in industrial use. Explore the Electronics & Electricals category on EnvMart for more transformers and power supply components engineered for professional industrial use.