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Using DC Power Jack
When an external power system is not available, the switch provides a DC jack to receive power from
typical AC-DC power adapter alternatively.
AC Power Adapters: Optional commercial rated adapters are available for purchasing.
Note: Before you begin the installation, check the AC voltage of your area. The AC power
adapter which is used to supply the DC power for the unit should have the AC voltage
matching the commercial power voltage in your area.
2.6 Power Failure Relay Output
The switch provides a relay output to report power failure event to a remote alarm monitoring system.
The replay output is provided with two contacts in the terminal block next DC2 interface.
Use the provided 2P terminal plug for signal wiring and plug into the PF+/- contacts. The function is
designed as :
Power is normal
PF+ contact is shorted with PF- contact.
Power failure
PF+ contact is disconnected with PF- contact.
Note: Be sure the voltage applied on PF+/- contacts is within the specification of
30VDC/1A max. or 120VAC/0.5A max.
Rated AC120V/60Hz DC7.5V 1.5A
Rated AC230V/50Hz DC7.5V 1.5A
Rated AC100V/50-60Hz DC7.5V 1.5A
Rated AC240V/50Hz DC7.5V 1.5A
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