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Eaton Din Rail UPS Advanced User Guide 9340DC—Rev A
The remote ON/OFF is grounded to the UPS internal signal ground and should be isolated from the chassis
ground to prevent any ground potentials that may cause a unit malfunction or damage. In addition, isolate the
Remote ON/OFF wiring away from high current, high voltage, and high frequency components to prevent any
magnetically-coupled noise on the Remote On/Off connections.
Table 2. Remote ON / OFF Wire Specifications
Wire Strip Length
0.35 in. (0.9 cm )
Screw Torque
5.3 lb-in (60 N-cm)
Screw Size
M3.0
Preferred AWG
18 AWG for DIN500AC
14 AWG for DIN850AC
To Enable the UPS, close the switch connected to the terminals.
To Disable the UPS, open the switch connected to the terminals.
Table 3. Remote Enable/Disable of UPS
AC DIN RAIL UPS Remote ON/OFF Switch
Wired
UPS Condition/ State
Switch or Terminal Condition
UPS (NC)
ON
UPS (NO)
OFF
Remote ON/OFF Terminals: Shorted (closed) for ON, Open for OFF Non- Polarized terminals.
No external voltage is required. We recommend using stranded UTP (Unshielded Twisted Pair) wire for connections.
Содержание DIN500AC
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