The WIC1 is a CT-powered protection relay with inverse time and definite time protection characteristics and is specifically designed for switchboards with CBs and small rated output currents. Together the specific CTs and the WIC1 form a joint protective system. Information provided by SEG Electronics GmbH is believed to be correct and reliable. SEG Electronics. This manual explains in general the tasks of device planning, parameter setting, installation, com-missioning, operation and maintenance of the WIC1 device. The WIC1 relay family does not need auxiliary po er since they are CT powered. DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
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