DIB02 and PIB02 are precise TRMS AC/DC over or under current monitoring relays that can be used with external shunts or CTs. The product has six to 150 mV AC/DC and 0.4 to 4 Vp AC measuring ranges (MI or MP range), adjustable current relative scale, adjustable hysteresis relative scale, adjustable delay function (0.1 to 30 seconds), programmable latching or inhibit at set level, 8 A SPDT relay output (N.D. or N.E. selectable), DIN rail mounting in accordance with DIN/EN 50 022 (DIB02) or plug-in module (PIB02), a 22.5 mm Euronorm housing (DIB02) or 36 mm plug-in module (PIB02), and LED indication for relay, alarm and power supply ON. The product also has a galvanically separated power supply.