ABB TD-5 293B3011A16A Substation Time Delay Relay is part of ABB's TD-5 timing relay family and provides a controllable delay in substation protection and control circuits. It specifies a 1.5 to 30 second time delay and a coil current draw of approximately 115 mA for these timing ranges. The part number 293B3011A16A identifies this unit as a TD-5 timing relay suitable for coordinating delayed signaling or tripping in ABB protection schemes. Typical applications include sequencing and delaying protection actions in substation cabinets to ensure coordinated operation of relays and control devices.
