Siemens VCI2001-U1


Card Amplifier Voice 50W

Availability: Estimated 6 Weeks

Condition: New
Brand: Siemens
Status: Active
SKU: 72215
Manufacturer Part #: VCI2001-U1
Secondary Part #: S54400-A45-A1


The Model VCI2001-U1 Voice Amplifier card of the FS20 Voice system provides one speaker zone with two speaker lines and one Class D audio amplifier, capable of operating at either 25 VRMS or 70 VRMS. The Voice Amplifier cards can be configured in either a 1:1 or 1:Many redundancy configurations and can be wired to drive one Class A speaker line, one Class B speaker line, or a dual-interleaved Class B speaker line. The Voice Amplifier cards can also be wired to supervise and power HCPs in one Class A or one Class B configuration.

Additional information

Weight 2 lbs

Siemens Industry, Inc.




Unit of Measurement

EA (Each)

Production Status



  • Class D audio power amplifier
  • Two selectable output voltages:
    • 70Vrms: 85% overall efficiency under full load
    • 25Vrms: 80% overall efficiency under full load
  • High voltage supply topology
  • Standby operation with self-check when idling
  • Self-monitored for hardware failures with automatic fallback to degraded operating modes
  • Provides supervision of field wiring
  • EMC shielded
  • Can be used in UL and ULC markets


There are no reviews yet.

Be the first to review “Siemens VCI2001-U1”

Voice Amplifier Card; Model VCI2001-U1


Siemens – Installation Instructions