Alarm Output - Q-See QT Series User Manual

8.2 ALARM OUTPUT

The alarm output port should not be directly connected to a higher power load (greater than
1A) to avoid high current which may damage the relay. Use the co-contactor to establish the
connection between the alarm output port and the load.
• 2 way relay alarm output (NO contact). Provides external power to external alarm device.
• To avoid overloading, please read the following relay parameters sheet carefully.
• RS485 A/B cable is for the A/B cable of the PTZ camera(s).
Model:
Material of the contact
Rating (Resistance Load)
Insulation
Surge voltage
Length of open time
Length of close time
Longevity
Temperature
62
Relay Specification
JRC-27F
Silver
Rated switch capacity
Maximum switch power
Maximum switch voltage
Maximum switch currency
Between contacts with same polarity 1000VAC 1minute
Between contacts with different
polarity
Between contacts and winding
Between contacts with same polarity 1500V (10×160us)
3ms max
3ms max
Mechanical
Electrical
-40°C ~+70°C (-40°F to +158°F)
30VDC 2A, 125VAC 1A
125VA 160W
250VAC, 220VDC
1A
1000VAC 1minute
1000VAC 1minute
50×106 times (3Hz)
200×103 times (0.5Hz)