Description
BU1-AC- is static type self powered relay works directly from the measuring inputs.
KEY FEATURES
- Static Type Voltage Relay
- Self powered (Voltage Fail safe)
- Rated voltage Un : 110 V, 230 V, 400 V AC
- Time delay – 0-10 sec (step of 2 sec)
- Rated frequency range : 45-66 Hz
- Accuracy : ± 5 % of set value
- power consumption in voltage circuit : 3.5 VA
- Thermal load carrying : constant 1.3 x Un capacity of the voltage circuit
- Dropout to pickup ratio : dependent on the set hysteresis
- Dropout time : 300 ms
- Minimum operating delay : 300 ms