Trip circuit supervision relay CTC-3-F

Application

The supervision relay CTC- 3-F is designed to be used for the supervsion of trip circuit and other important control and monitoring circuits. The connection is shown on scheme below.

Features

• continuous supervision of circuit breaker tripping circuits
• detection of any kind of fault: trip coil interruption, loss of auxiliary or control power supply, poor contact in tripping circuits, etc
• drop out time delay up to 3 seconds (typical 1 ,4sec) to avoid spurious alarm during circuit breaker operation
• separate auxiliary power supply
• covers different auxiliary and control voltage ranges
• LED indication and auxiliary relay for remote alarm.

Brochure