RDS 2 Helios Transformer Controller With Motor Protection

Five step speed controller with integrated thermal contact tripping unit for 400 V, 3 ph. alternating current fans.

To connect thermal contacts wired to the terminal box.

A number of fans can be controlled up to the nominal load. If a thermal contact trips all fans will be disconnected.

Step switch and control lamp included.

Restarting via “0” position after interference or power cut off.

5-stage speed controller for connecting thermal contacts (wired to clipboard) of one or more fans up to the nominal load.

With integrated trigger device and indicator light.

Recommissioning after a fault via the 0 position.

Switchable voltages: 0/80/140/200/280/400 volts.

Ambient temperature max. 40 ° C.

Surface-mounted plastic housing, protection class IP 54.