8" LINEAR ACTUATORApplication | For proportional modulation of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer?s specifications. The actuator operates in response to a 2 to 10 VDC, or with the addition of a 500 � resistor, a 4 to 20 mA control input from an electronic controller or positioner. A A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications. |
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NSV24 US | Battery Back-Up Module |
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P370 | Shaft Mount Auxiliary Switch |
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SGA24 | Min Positioners in NEMA 4 Housing |
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SGF24 | Min Positioners for Flush Panel Mounting |
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ADS-100 | Analog to Digital Switch |
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ZG-R01 | Resistor for 4 to 20 mA Conversion |
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PTA-250 | Pulse Width Modulation Interface |
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IRM-100 | Input Rescaling Module |
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Z-DS1 | Rotary Support to Compensate Lateral Forces |
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Operation | The actuator is not provided with and does not require any limit switches, but is electronically protected against overload. The anti-rotation strap supplied with the actuator will prevent lateral movement. The LHB(X)24-SR... series provides 4 or 8 in of linear stroke. The stroke of the gear rack can be adjusted on both sides in increments of 0.8 in [20 mm] by means of the mechanical end stops. When reaching the damper or actuator end position, the actuator automatically stops. The gears can be manually disengaged with a button on the actuator cover. The LHB(X)24-SR? actuators use a sensorless brushless DC motor, which is controlled by an Application Specific Integrated Circuit (ASIC). The ASIC monitors and controls the actuator?s rotation and provides a digital rotation sensing (DRS) function to prevent damage to the actuator in a stall condition. Power consumption is reduced in holding mode. |
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