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>> ตัวแปลงสัญญาณไฟฟ้ามาตรฐาน (ZIEHL)  
>> Phase-Monitor Relays Type PS   [7]
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4
Phase-Sequence-Change Relay DRR20

Technical Data

Rated supply voltage Us:   3-phase 400V, without neutral

Admissible tolerance US:   +20%/-30%

Output relay:   ca. 3 VA

Frequency:   50/60 Hz

Relay output:   2 change-over contacts

Rated ambient Temp. Range:   -20…+55 degC

Limit Asymmetry:   adjustable 5…25%

Limit under voltage:   adjustable 70…95%

Hysteresis (cos fi):   app.  2%

Delay undervoltage/asymmetry:  adjustable 0.1…10 s

Dimensions (H x W x D) mm:   75 x 22.5 x 115 mm

Protection Housing/Terminals:   IP 30/IP 20

Weight:   app. 150 g

Datasheet