Profile: Air Products & Controls, Inc. is a manufacturer of duct smoke detectors and accessories. Our product line includes duct smoke detectors, specialty controls, low voltage relays, control relays, power supplies, PCB mounting and enclosure options. Our RT-3000 series is featured with 180° visibility with a operating voltages of 230VAC, 115VAC, 24VAC and 24VDC. It is patented cover tether retains the one-piece cover at unit, flashing LED on detector head indicates normal operation, ionization & photoelectric versions is also available, interconnect up to 30 units for common functions. It also works with the complete range of APC remote accessories to include all legacy duct detectors and sample tubes from APC. Our PAM™ series relays are encapsulated multi-voltage devices with "flying" leads that offer versatile, reliable performance in a convenient package. Several of the versions contain a red LED which indicates when the relay coil is energized. The relays are packaged with a self-tapping screw and a piece of double sided tape for easy installation almost anywhere. The relays are also packaged with wire-nuts to aid installation. These are ideal for applications where remote relays are required for control or status feedback. They are suitable for use with HVAC, temperature control, fire alarm, security, energy management, lighting control systems and building automation systems.