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CSS Circuit Selector Switch

The CSS Circuit Selector Switch is connected to the output of a single constant current regulator and switches that output to one or more airfi eld lighting series circuits. Common applications include circuits for PAPIs, stopbars, and taxiway centerlines. The CSS can also be used as the interface between a standby backup regulator and several operating regulators. 

Certifications and compliances

  • FAA AC 150/5345-5 Current Edition: L-847
  • Unified Facilities Criteria UFC 3-5

Design features

  • ETL certified 
  • Simultaneous or Exclusive Switching
  • For 6.6 or 20 Amp circuits
  • Locally and Remotely Controllable
  • Units may be interconnected to serve any number of circuits with a single regulator
  • Clear Dead-Front Cover for high-voltage compartment with interlock switch
  • Wall or Conduit Mounting
  • Deenergized Switching to protect regulator circuitry
  • Ambient Temperature Range -40° to +55°C
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