HFT300 frequency test relay is widely used in marine genset field and land genset field.
The corresponding over/under frequency relay outputs and alarm protection activates when the frequency has exceeded/fallen below the set value.
 
PERFORMANCE AND CHARACTERISTICS
Suitable for 3-phase 4-wire, 3-phase 3-wire, single phase 2-wire, and 2-phase 3-wire systems with frequency 50/60/400Hz;
Over/under frequency protection function;
Adjustable potentiometer allows for set value adjusting and delay value setting;
relay output；
One test button, test the over/under frequency relay and indicator;
Widely power supply range DC(8~35)V, suitable to different starting battery voltage environment;
35mm guide rail mounting;
Modular design, pluggable terminal, compact structure with easy installation.