Catalog > Siemens Part number 500-649852BG Model C...

Verified: January 09, 2026

Siemens Part number 500-649852BG Model CPY-VSK4

~$59.95

The Siemens CPY-VSK4 is a key switch module designed for use with Siemens fire alarm control panels to enable or disable specific functions.

Key Specifications

  • Compatibility: Siemens fire alarm control panels
  • Voltage: 24 VDC
  • Current: 100 mA
  • Type: Key Switch Module
  • Mounting: Surface mount
  • Material: Plastic
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