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>> ตัวแปลงสัญญาณไฟฟ้ามาตรฐาน (ZIEHL)  
>> Voltage-monitor Relays   [8]
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7
Voltage and Frequency-Relay UFR1001

Technical Data

Supply voltage Us:   AC/DC 24 - 270V, 0/45…65 Hz, < 5VA

Relay output:   2 change-over contacts

Measurement voltage phase-phase:   AC 40…520 V

Measurement voltage phase-neutral:   AC 40…300 V

 Hysteresis:   adjustable 1-99.9 V

Measurement frequency range:   45…65 Hz

Hysteresis:   0.05 – 5.00Hz

 Vector-Ship measuring range:   2.0 – 20.0°

Dimensions (H x W x D):   90 x 70 x 58 mm

Protection Housing/Terminals:   IP 30/IP 20

Weight:   200 g

 

More detail please read from data sheet….

Datasheet