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>> ตัวแปลงสัญญาณไฟฟ้ามาตรฐาน (ZIEHL)  
>> Voltage-monitor Relays   [8]
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3
Voltage Monitor for 3-Phase Networks (without N) SW31K

Technical Data

Rated supply voltage Us:   AC 230V,+10%…-15%, < 3 V

Frequency:   50/60 Hz

Relay output:   1 change-over contacts

Rated ambient Temp Range:   -20…+55 degC

Hysteresis:   approx. 10% Unenn

Switching delay:   app. 1 s

Dimensions (H x W x D):   75 x 22 x 115 mm

Protection Housing/Terminals:   IP 30/IP 20

Weight:   135 g

Datasheet