Emirel V3-02N

TECHNICAL FEATURES AND REGULATIONS VM Max set point. The regulation is made by trimmer on the front, in % of the nominal voltage (0÷+20%) Vm Min set point. The regulation is made by trimmer on the front in % of the nominal voltage (0÷-20%). TM Timer (0,5÷31,5 sec). The regulation is made trimmer. It is activated when the max set point is overcome. At the end of the set period the output relay changes over. Tm Timer (0,5÷31,5 sec). The regulation is made by trimmer. It is activated when the min set is overcome. VISUALIZATIONS ON GREEN LED: supply on AM RED LED: the set point VM has been overcome Am RED LED: the set point Vm has been overcome RESET: automatic. MODE OF OPERATION With the trimmer on the front it is possible to fix one set point MAX and one set point MIN in order to have a control “band”. The set points are connected to one output relay with two change over contacts, two alarm LEDS (red) and two timers. The output relay is normally on and it goes off when the voltage goes out of the fixed “band” (either above VM or under Vm) (fig.1). The alarm led starts lighting when the monitored voltage approaches the set point, and the led intensity gradually increases up to the triggering point. POSITIVE SAFETY The relay is normally ON and it goes OFF when it is in alarm. INSTALLATION (Wiring to an electrical board with a differential relay and a sectionalizing switch). The length of every wiring must be less than 30m. INPUT pins 5 - 3 - 1 (1,2 kΩ/V) 100 / 110 / 220 / 230 / 380 / 400 / 415 / 440 Vac OUTPUT 1 output relay with two change over contacts (5A-230 Vac) resistive load 11-10 / 14-15 NC Device not supplied 11-12 / 14-13 NO or in alarm Insulation between input and contact: VDE 0110 - IGR C/660 Insulation of the contact: VDE 0110 - IGR C/250 SUPPLY (pin 3-5) 2VA- 50÷60 Hz. Self-supplied by the voltage to be monitored: 100 / 110 / 220 / 230 / 380 / 400 / 415 / 440 Vac. CASE Self-extinguishing ABS. SIZE: 45x75x110 mm for DIN rail. Accessories available on request: E 405B transparent protection fit for tight closure. WORKING TEMPERATURE: 0÷70°C WEIGHT: 0,300 kg COLOUR: grey

FUNCTION The voltage relay V3 02N monitors the overvoltage (VM) and the undervoltage (Vm) in an alternating three phase mains. Adjustment range +20% -20% of the nominal voltage. USE Control of a three phase mains.

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