The GE TM77-21-001 Time Delay Relay is a General Electric device that provides timed control in electrical circuits. It delays the change of state for a load or control input, enabling sequencing, interlocks, and controlled startups in industrial automation and control panels. Identified by the TM77-21-001 part number, this relay belongs to GE’s time-delay relay lineup for applications requiring a preset interval between input trigger and output action.
