The GT series of solid-state relays is designed for precise load control via an analog input, supporting voltage signals (0–5V, 0–10V), current signals (0–20mA, 4–20mA), or potentiometers (1kΩ to 10kΩ).
The electronic circuitry automatically optimizes the cycle time for proportional power control, minimizing the number of wave trains required for a given input signal while maintaining accuracy.
GT relays can be used in three-phase systems with a master-slave configuration: the master unit receives the control signal and synchronizes outputs to slave units. Two GS modules can also serve as slaves using logic control.
An optional load interrupt control (HB) is available without an external current transformer; the alarm limit is adjustable via trimmer with a yellow LED and a voltage-free normally open contact.
The relay features a green LED to indicate 24Vac power presence and a red LED to show switching according to the analog control input. The LED signal is steady at minimum or maximum and pulses at intermediate values.
Optional accessories include panel mounting kits, fuses and fuse holders, current transformers, and isolation transformers. Proper heatsink selection is required for operation (see accessories section).