Apollo STS25


Sampling Tube Duct Detector 25

Availability: Please Call for Lead Time

  • Factory New
Brand: Apollo FireAlarm.com Part #: 71085 Categories: , , Manufacturer Part #: STS25


Weight 1.00 lbs



  • Relays may be energized from a voltage source of 24VDC, 24VAC or 115VAC
  • Each relay position contains a red LED which illuminates when the coil is energized. This provides a time saving device when checking an installed system – no metering is required
  • Single, dual or triple relay modules may be “snapped apart” from standard 2, 4 and 8 position masters DC input is polarized
  • “/S” and “/T” versions UL Recognized Component, “/C” and “/C/R” versions UL listed
  • Available in dust resistant enclosures with LED viewing port(s)
  • “/C” and “/C/R” versions mounted in enclosures
  • “/C/R” versions with red covers for NYC and other uses
  • “/T” versions come complete with track mounting hardware which facilitates installation in standard cabinets
  • “/S” versions supplied with spacers for installation on standard back panels
  • “/T” versions are configured for an available optional DIN/”A” series rail mounting clip (TK-CL)

MR-800 Series; Multi-Voltage Control Relays


Air Products and Controls – Data Sheet