Warning 15WARNINGThis device is designed for connection to hazardous electricvoltages.Ignoring this warning can result in severe personal injury or mechanicaldamage.To avoid the risk of electric shock and fire, the safety instructions of thismanual must be observed and the guidelines followed. The specificationsmust not be exceeded, and the device must only be applied as described inthe following.Prior to the commissioning of the device, this manual must be examinedcarefully.Only qualified personnel (technicians) should install this device. If theequipment is used in a manner not specified by the manufacturer, theprotection provided by the equipment may be impaired.GENERALWARNINGUntil the device is fixed, do not connect hazardous voltages to the device.The following operations should only be carried out on a disconnecteddevice and under ESD safe conditions:General mounting, connection and disconnection of wires.Troubleshooting the device.Repair of the device and replacement of circuit breakers must be done byPR electronics A/S only.HAZARD OUSVOLTAGEWARNINGDRST-UN must be mounted on a DIN rail according to DIN 46277.INSTALLATIONWARNINGDo not open the front plate of the module as this will cause damage tothe connector for the display / programming front DRSL-DISPLAY.This module contains no DIP-switches or jumpers.1.2 - Symbol IdentificationTriangle with an exclamation mark: Warning / demand.Potentially lethal situations.The CE mark proves the compliance of the device with theessential requirements of the directives.The double insulation symbol shows that the device isprotected by double or reinforced insulation.