The current monitoring relays are available for either AC or DC supply.
The monitoring inputs are isolated from the supply voltage.

RC30 and RV30

Universal AC and DC inputs.
RC30:
Ranges from 2 mA to 6 A
RV30:
Ranges from 60 mV to 500 V
3 or 4 metering ranges
in each unit.
Selectable start-up delay.
1-pole relay output.
Adjustable level and time-delay.
Function selection.

more details
datasheet (PDF-format)

1 A AC or 5 A AC range.
Relay inversion.
1- or 2-pole relay output.
Adjustable level and hysteresis.

more details
datasheet (PDF-format)

RC20:
Ranges from 1 mA to 5 A
RV20:
Ranges from 60 mV to 50V
Relay inversion.
1- or 2-pole relay output.
Adjustable level and hysteresis.

more details RC20
more details RV20
datasheet RC20 (PDF-format)
datasheet RV20 (PDF-format)

Digital setpoint.
2- or 3-digit.
Inputs: 0-20 mA
             4-20 mA
      or    0-10 V
Relay inversion.
1-pole relay output.

more details
datasheet (PDF-format)