ELECTRICAL CONNECTIONS See Fig. 2, Fig. 2A and Fig. 3. The amperometric phase (L1 in the figures) must be connected to pin 19. The L2 and L3 phases can be connected to pins 21 and 23 or the other way around. (Wiring to an electrical board with a differential relay and a sectionalizing switch). The length of every wiring must be < 30m. OUTPUT 1 changeover contact 5A - 230 Vac resistive load 8-6 NO Device not supplied 8-7 NC or in alarm SUPPLY: 2VA 50-60 Hz Tolerance: ± 10% Pin 11-13 230 Vac or 24 Vac. General remark: The wiring diagrams do not show the fuses installed on the supply and on the voltmetric inputs. The electrical wirings must be realized with the device and the electrical panel in off condition. ANALOG OUTPUT PIN 26(+), 25(-) 0÷10V 1mA. The “linearized” value of the measured current is available on the analog output. It can be used for a control with a DC tester or can be connected to a digital voltmeter DVD 08 for a permanent visualization, or it can be connected to a DC voltage relay (RV5- 1-10 or RV5-2-10) for more SET POINTS (the voltage on the analog output is the same used inside the A1L1 for overcoming the SET POINT). SIZE 70x75x110 mm for DIN RAIL. Accessories (on request): E 405B: transparent front cover for tight closure (on request). RISE TIME: 10÷90% about 100ms. INPUTS: · VOLTMETRIC PINS 19-21-23 Ring=800KΩ (See: ELECTRICAL CONNECTIONS). · AMPEROMETRIC PINS 14-15 Ring=10-20mΩ The maximum mains voltage is 415 VAC. For voltages > 415V, M 08 (Drop Resistances) must be used. WORKING TEMPERATURE: 0÷70 °C. WEIGHT: kg 0,300 - COLOUR: grey.

FUNCTION A1L1 monitors the current of a load with a MAX or min SET POINT (built-in CT). USE A1L1 monitors a single-phase or threephase load, (typically a motor) to realize a protection with an alarm

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