Belimo - AHB24-3-100

OVERLOAD: FOR ON/OFF AND FLOATING POINT CONTROL OF DAMPERS IN HVAC SYSTEMS. ACTUATOR SIZING SHOULD BE DONE IN ACCORDANCE WITH THE DAMPER MANUFACTURERS SPECIFICATIONS. OPERATION: ACTUATOR IS NOT PROVIDED WITH AND DOES NOT REQUIRE ANY LIMIT SWITCHES, BUT IS ELECTRONICALLY PROTECTED AGAINST OVERLOAD. ANTI-ROTATION STRAP SUPPLIED WITH ACTUATOR WILL PREVENT LATERAL MOVEMENT. AHB24…-100 PROVIDES 4 IN [100 MM] OF LINEAR STROKE. STROKE OF GEAR RACK CAN BE ADJUSTED ON BOTH SIDES IN INCREMENTS OF 0.8 IN [20 MM] BY MEANS OF MECHANICAL END STOPS. WHEN REACHING DAMPER OR ACTUATOR END POSITION, ACTUATOR AUTOMATICALLY STOPS. GEARS CAN BE MANUALLY DISENGAGED WITH A BUTTON ON ACTUATOR COVER. AHB24-3… ACTUATORS USE A SENSORLESS BRUSHLESS DC MOTOR, WHICH IS CONTROLLED BY AN APPLICATION SPECIFIC INTEGRATED CIRCUIT (ASIC). ASIC MONITORS AND CONTROLS THE ACTUATORS ROTATION AND PROVIDES A DIGITAL ROTATION SENSING (DRS) FUNCTION TO PREVENT DAMAGE TO ACTUATOR IN A STALL