Chapter 1: Installation and wiring
6 Vigilant VS1 and VS2 Technical Reference Manual
Caution: The middle connection (EARTH GND) on the terminal block makes a
mechanical connection to the chassis even with the ground wire removed.
Figure 5: AC power wiring
5 A, 250 V, SLO-BLO
(Littlefuse P/N 218005
L
N
LINE
EARTH GND
NEUTRAL
120 or 230 VAC
primar
power connection
Note: See “Component descriptions” on page 143 for the location of the terminal
block in the backbox.
Panel low voltage wiring
Circuit specifications
• Circuit voltage: 24 VAC
• All circuits are power-limited unless otherwise noted
Figure 6: Terminal wiring location