Chapter 1: Installation and wiring
26 P/N 3102351-EN • REV 005 • ISS 28DEC18
SA-CLA wiring
The SA-CLA card is used to supply wiring for Class A NACs and redundant Class B remote
annunciator circuits on VS1 control panels.
Circuit specifications
• Operating current
Standby: 3 mA
Alarm: 60 mA max.
• Max. resistance: 26 Ω
• Max. capacitance: 0.35 µF
• Max. current: 2.5 A per circuit
• Ground fault impedance: 0 to 5 kΩ
• Power-limited and supervised
Figure 35: SA-CLA Class A NAC wiring
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