Key Functions • Differential current measurement of sinusoidal or pulse shaped residual currents (type A) • Alarm output General Information • Infinitely variable response value • Infinitely variable response time delay • Test Key • Version with internal or external current transformer • Potential free output contact • Fault memory (type RCM 200) • Mount to DIN rail 35 mm (acc. EN 60715) or fix with screw/s Special Features • For continuous insulation monitoring of electric appliances, installations and machines • Display of measured value (type RCM 200) • Monitor output (type RCM 200)