Figure 2.12 Remote "Start" Contact Connections - Mitsubishi Electric 9900D Series Owner Technical Manual

B) Input Contacts (for remote access of UPS)
External contacts are provided by the user of the UPS system. Terminal voltage at the UPS is
12Vdc. Provide external dry contact accordingly.
Do not apply voltages to remote access input terminals.
Damage to UPS may result.
CAUTION
Refer to Figure 2.12 for a typical wiring configuration. Although this figure applies to the
remote start/stop terminals, the same wiring arrangement is used for emergency stop; power
demand; and battery temperature high.

Figure 2.12 Remote "Start" Contact Connections

UPS Cabinet
Relay Coil current : 16.7 mA
9900D SERIES UPS
OWNERS / TECHNICAL MANUAL
Relay
Coil
12 VDC
MITSUBISHI ELECTRIC 9900D SERIES UPS
External to
UPS Cabinet
Start
Common
Use Momentary
Switches Only
User supplied
Page Number:
2-12
Start
Switch
0.5s – 4s
ON
OFF