Pressure Sensor - Belimo® D3 Dynamic Response Air Pressure Connectors - 1/4” OD barbs integrated x2 Power - 24vac @ 4.0 volt/amp / 2.0 watt Wiring - 18 AWG copper

A single blade round damper with a (2) two position, 24 volt motor. The motor is powered both ways – powered open and powered closed. The motor features LED’s that indicate the position of the motor …

Pressure Sensor - Belimo D3 Dynamic Response Air Pressure Connectors - 1/4” OD barbs integrated x2 Power - 24vac @ 4.0 volt/amp / 2.0 watt Wiring - 18 AWG copper

These series of dampers are an opposed blade design constructed of 6063T6 aluminum. The motor is a 3 wire power open/power closed 24 Volt motor. The dampers are installed by cutting a 2 1/2" wide …

Wiring - Pressure switch is factory wired to damper motor. Route 24vac into PS4 and connect as shown below. Contacts- SPDT contacts rated for 1.5amp @ 250vac. Enclosure - Polystyrene with 1⁄2" LT …

Model R1 (90-370) SPDT Relay with 24vac Coil The Model R1 is a heavy duty general purpose Single Pole Double Throw Relay. The Model R1 features a compact and totally enclosed design for use in …

(4” to 10” Diameter) Model URD-SRE damper is a round single blade damper constructed from 26 gauge galvanized steel. The motor actuator is direct coupled to the blade shaft. The URD-SRE ships …

Model MA-ND5 Actuator The NEW MA-ND5 motor actuators are easy to install, easy to wire up, and come with a 5 year warranty. The superior design insures long life and no maintenance. The UL …

Model MA-ND4 Actuator The NEW MA-ND4 motor actuators are easy to install, easy to wire up, and come with a 5 year warranty. The superior design insures long life and no maintenance. The UL …

A relay can be added to the system to control more than two dampers per zone. The diagram shows a relay used to control four dampers using the "R4" relay which has four sets of contacts (4-pole) with …