Specifications V3-18
FUNCTION
The voltage relay V3-18 monitors the
overvoltage (VM) and the undervoltage
(Vm) and the phases sequence L1, L2,
L3 in an alternating three phase mains.
Adjustment range +20% -20% of the
nominal voltage.
USE
Control of a three-phase mains.
Features V3-18
INPUT: 2-11-4 (1,2 kW/V)
If the pins are not connected in the
order L1, L2, L3, the device will be in
alarm ever since supply is connected.
OUTPUT: 1 output relay with two
change over contacts (5A-230 Vac)
resistive load.
5 - 6 / 8 - 10 NC Device not supplied
5 - 7 / 8 - 9 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 2-11 2VA - 50÷60 Hz.
Self-supplied by the voltage to be
monitored.
