Initiating Device Circuit (IDC) Ratings
Condition
Rating
Maximum Open Circuit Voltage
21.9 VDC
Maximum Short Circuit Current
65 mA
Maximum Line Impedance
20.3 Ohms
Maximum Number of Detectors
on Zones 1 through 8
Reference Appendix B, Equipment List, Detectors
Detector Compatibility Identifier
on Zones 1 through 8
Reference Appendix B, Equipment List, Detectors
Detector Installation Limits on
Zones 1 through 8
Reference Appendix B, Equipment List, Detectors
The maximum line impedance shown in the IDC Ratings table represents all initiating circuit types on
detection zones of The Sigma A-CP Fire Control Panel.
Notification Appliance Circuit (NAC)
Terminal
Rating
NAC 1 ( + ), ( - )
Special Application: 18 to 28 VDC @ 2.5 A continuous
Regulated: 18 to 28 VDC @ 250 mA continuous
Fused: Electronic 2.5 A Supervision: Voltage reversing DC
Short Circuit Threshold: 130 Ohms +/- 20%
Maximum line-voltage-drop: 2 VDC
NAC 2 ( + ), ( - )
Special Application: 18 to 28 VDC @ 2.5 A continuous
Regulated: 18 to 28 VDC @ 250 mA continuous
Fused: Electronic 2.5 A Supervision: Voltage reversing DC
Short Circuit Threshold: 130 Ohms +/- 20%
Maximum line-voltage-drop: 2 VDC
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Содержание Sigma A-CP
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