AEFR DIGITAL FREQUENCY RELAY

AEFR DIGITAL FREQUENCY RELAY

รายละเอียด :

Type : Standard : AEFR-N ,  AEFR-Y  / Interval : AEFR-NI / AEFR-YI

Operating voltage

AC(V): 100 ~ 240

Allowable operating voltage range

85~110% of rated operating voltage

Rated frequency

50 / 60 Hz

Detecting range

10 ~ 99Hz

Display

Display resolution ²0.1Hz

Contact rating

250VAC 5A (resistive load)

Power consumption

Approx. 3VA

Life

Mechanical: 5,000,000 times
Electrical: 100,000 times

Ambient temperature

-10 ~ +50к

Ambient humidity

MAX 85%RH

Weight

Approx. 130g

 

คุณลักษณะ :

  • Digital frequency display and fault detection
  • Over frequency (50Hz~99Hz) and under frequency (10Hz~60Hz) detection
  • Over and under frequency delay, from 1s to 10s
  • Manual or auto reset, auto reset delay from 1s to 10s
  • Over or under frequency bypass possible
  • Crystal oscillator and digital IC for high
  • precision, frequency resolution under 0.1Hz