Panel low voltage wiring – Edwards Signaling eFSA250 User Manual
Page 18
Chapter 1: Installation and wiring
6
E-FSA64 and E-FSA250 Technical Reference Manual
WARNING: Never replace the fuse while the circuit is energized. The
replacement fuse must be of equivalent size and type.
Cauti
on:
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
primary power connection
Note:
See “Component descriptions” on page 150 for the location of the wiring
block in the backbox.
Panel low voltage wiring
Circuit specifications
• Circuit voltage: 24 VAC
• All circuits are power-limited unless otherwise noted
Figure 6: Transformer secondary wiring location