สินค้าหมดชั่วคราว (Temporarily out of stock) ไม่พร้อมจำหน่าย
The Siemens Digital monitoring relay, current monitoring from 2 to 500 mA AC/DC overshoot and undershoot, 24 V AC/DC supply voltage at 50 to 60 Hz DC and AC without galvanic isolation to measuring circuit ON delay and noise pulses delay 0.
