RS PRO 250VA DIN Rail Transformer, 230 → 400V ac Primary, 2 x 115V ac Secondary

RS PRO Chassis Mounting Transformer

These RS PRO high-quality panel isolation transformers are designed with versatility and durability in mind and are for use in general applications. These single-phase transformers feature screw connectors for multiple input and brackets for screw fixing or for DIN Rails. They have a standard primary winding 0-230-400VAC with a +/- 15 V adjustment possibility around 0 and are 100% electrical and flash tested.

Features and Benefits

• High-quality safety and isolation transformers


• Second section bobbin for full separation between primary and secondary winding


• Low noise laminations


• Earth terminal provided


• High efficiency


• Varnish impregnated

What does a transformer do?

Transformers increase or decrease voltages within an AC circuit. You will find them in almost all electrical environments. As an example, some of the different types of power management units and how their voltages work is listed below.

Transformers - AC to AC
Power Supplies - AC to DC
DC Converters - DC to DC
Inverters - DC to AC (Pure or modified sine wave)

Why RS PRO?

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.