SA-CLA

The Edwards SA-CLA is a Class A adapter module for iO Series and similar Edwards fire alarm control panels, specifically converting the iO64's two Class B NACs (Notification Appliance Circuits) to two Class A (Style Z) circuits.
It mounts inside the FACP cabinet and provides terminal blocks for NAC return wiring to enable supervised Class A operation in applications requiring loop-style redundancy.
Key Specifications
Feature
Specification
Circuit Type
Converts 2 Class B NACs to 2 Class A (Style Z)​
Voltage
24 VFWR​
Current
2.5 A max per circuit; 3.75 A FWR total (120/230 VAC 60 Hz)​
Circuit Impedance
26 ohms, 0.35 µF​
Mounting
Inside Intelligent FACP cabinet (iO64 primary use)​
Compatibility
iO64, E-FSA64; optional for NAC Class A wiring​
Operating Temp
32°F–120°F (0°C–49°C, non-condensing)​