OmniTrax Product Guide Page 163
5 Power and data connections
Senstar provides two options for powering the OmniTrax sensor:
• C7EM0503 - a 12 VDC power supply on a steel baseplate with no enclosure for standalone,
single processor applications
• A4EM0200 - a 48 VDC network power supply in a weatherproof enclosure for powering up to
5 processors
48 VDC network power supply
The network power supply terminals accept 14 to 22 AWG insulated wire with a 9.5 mm (3/8 in.)
strip length for the power connections.
1. Pull the AC power cable into the enclosure through the right side cable gland, and route the
cable around the inside of the enclosure as indicated.
2. Pull the DC power cable into the enclosure through the left side cable gland.
3. Follow the connection diagram below the terminal block to make the wiring connections.
4. Connect the AC power cable ground wire (green/yellow) to the ground lug.
From left to right connect:
AC line (black/brown) to the first terminal
AC neutral (white/blue) to the second terminal
-48 VDC (black) to the third terminal
+ 48 VDC (red) to the fourth terminal
Note The power supply includes two 3.15 A, ceramic fuses (5 X 20 mm). The
fuses are located inside the main terminal block. Lift the tabs to access
the power fuses.
Always replace a fuse with one of the same type and rating.
CAUTION Consult the Local and National Electrical Codes concerning the
connection of AC mains power to the power supply.
For outdoor installation, the power supply must be installed in a
NEMA4/IP66 rated weatherproof enclosure.
Consult the local electrical/building safety codes to determine if the
weatherproof enclosure must be vented.
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