RS PRO Toroidal Transformer 2 x 115 V AC, 2 x 55 V AC, 2 Output, 50 VA, Dual Primary and Secondary Windings, Model 540-5242

The RS PRO 540-5242 Toroidal Transformer is designed for industrial and commercial electronic power supply applications requiring dual secondary voltage outputs of 2 x 55 V AC derived from dual primary inputs of 2 x 115 V AC. Rated at 50 VA, this transformer offers an efficient solution with its compact open form design that reduces size and weight compared to traditional stacked laminated transformers.

Featuring dual primary and secondary windings, the transformer allows series or parallel connections, providing enhanced installation and configuration flexibility. It operates within a frequency range of 50 Hz minimum to 60 Hz maximum, and withstands operating temperatures up to 105°C, ensuring durability in demanding conditions.

Its construction minimizes induced noise and radiated magnetic fields, making it suitable for sensitive electronic and laboratory environments. Certified to meet strict international safety standards such as UL506, CE, AS NZS 61558.1, BS EN 61558-1, and RoHS compliance, this product assures quality and safety.

The transformer includes a comprehensive mounting kit for hassle-free setup, and is supplied from Poland, reflecting high manufacturing standards.

Typical applications for this toroidal transformer include industrial electronics, laboratory instruments, HVAC systems, manufacturing equipment, and other commercial power distribution tasks.

Open form Toroidal Transformer with dual primary and secondary windings for flexible wiring. Lightweight at 760 grams with 80 mm diameter and 34 mm height dimensions. Operating frequency from 50 Hz to 60 Hz with a maximum temperature of 105°C for robust performance.

Low hum and magnetic interference suitable for sensitive electronic applications. Conforms to multiple safety and quality standards including UL506 and CE marking. Supplied with a full mounting kit for easy and secure installation.

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