Silent Knight 5128 4-Channel Fire Alarm Communicator

• UL listed as a fire communicator for connection to UL listed 24 VDC local fire alarm control panels
• Four fully supervised input channels programmable as voltage input active high or low or as a contact closure input
• Dual phone line interface and line fault monitors
• Reports in most major formats
• Easy to install and service

• Primary AC: 120 VAC, 60 Hz, 45 mA
• Primary DC: 18 40 VDC
• Total DC Load: 84 mA @ 24 VDC max
• Standby Current with Annunciator: 143 mA@ 24 VDC max
• Standby Current without Annunciator: 84 mA@ 24 VDC max
• Alarm Current with Annunciator: 227 mA@ 24 VDC max
• Alarm Current without Annunciator: 154 mA @ 24 VDC max
• Channel Inputs: 18 30 VDC
• Active High Current: 15 mA max
• Dry Contact Current: 4.7 VDC, 6 mA max
• AC Monitor Input (5129 only): AC trouble output from FACP or 120 VAC
• Watchdog Response: 50 sec. max
• Dimensions: 4" W x 8.75" H x 1.25" D ( 10.2 W x 22.2 H x 3.2 D cm)
• Weight: 2 lbs (0.907 kg)
• Color: Black