The product is a pair of Current Transformer MCR-S20/U/I-4 by Phoenix Contact. It has an input range of 0-20a AC/DC and a power range of 20-30VDC 60MA. The output range is 0-10V/load with a 2kΩ impedance and 0-20mA/load with a 500Ω impedance. This transformer is designed for isolation of 2.5kV at 50Hz for 1 minute, and it operates within a temperature range of 0-50°C/32-122°F. The weight of one unit is 100 grams.

In good working condition