Annunciator With inbuilt Hooter Speaker visible

• Windows Available: 4 to 64 windows
• Window Sizes:
  • Small Window: 34 x 37 mm
  • Big Window: 34 x 74 mm
• Auxiliary Supply: 20 to 150V DC & 75 to 275V DC/AC
• Communication: RS485
• Features:
  • DC fail indication with relay output
  • AC fail indication