RDS 4 – Helios – Transformer Controller With Motor Protection
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.