Three-phase voltage and current protective relay 1–63 A, for DIN rail mounting, GKE-63T

Three-phase voltage and current protective relay, DIN rail mounted, "Tense"

The advanced protective relay "Tense GKE-63T" with an integrated microprocessor is designed to comprehensively protect electrical equipment and motors from the negative effects of the distribution network. The device continuously monitors network parameters and provides highly accurate protection against over-voltage, under-voltage, current overload, voltage asymmetry, phase failure or reversal, and internal overheating. The relay is equipped with an automatic reset function with adjustable time delay and memory for recording the last fault state. The compact modular design is intended for easy mounting on a standard 35 mm DIN mounting rail.

Main operating modes

• Synchronous mode: Three-phase operation – if a fault occurs in one phase, the entire three-phase circuit is disconnected.

• Asynchronous mode: independent operation – each phase is monitored and disconnected separately (suitable for single-phase loads divided into three phases).

Technical parameters

• Product type: Digital protective relay (voltage and current)

• Number of phases: 3 (three-phase)

• Rated current (adjustable): 1 – 63 A

• Short-circuit trip speed: 0,04 s

• Neutral conductor (N) break protection: Yes

• Mounting method: 35 mm DIN mounting rail

Setting ranges

• Over-voltage protection: 220 – 300 V

• Under-voltage protection: 80 – 210 V

• Voltage asymmetry: 20 – 99 V

• Start-up delay: 1 – 300 s

• Reset delay: 1 – 600 s