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>> ตัวแปลงสัญญาณไฟฟ้ามาตรฐาน (ZIEHL)  
>> Current-Relays for current-recognition Type STWs   [9]
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2
Current – Relay STW12

Technical Data

Power supply Us:   DC 20 – 30 V, < 2 VA

Function:   12-Channel single/OR

Transformer input:   1…12, type STWA 1

Overload cap:   100 A / 300 A

Switching points E1, E2:   adjustable, AC 0.5 – 5 A

Switching points E3…E12:   on <= AC 1 A, off >= AC 0.3 A

Output relay:   1 CO, 12 x Open-Collector

Open Collector:   max. DC 40 V/40 mA

Rated ambient Temperature:   -20…+55 degC

Dimensions (H x B x T):   90 x 105 x 32 mm

Protection Housing/Terminals:   IP 30/IP 20

Weight:   135 g

 

More detail please read from data sheet….

Datasheet