JCI Damper Actuators 88IN.LBS (10 NM); NSR; 24 VAC/VDC. The M9300 Series Electric Non-Spring Return Actuators provide control of dampers in HVAC systems
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The M9300 Series Electric Non-Spring Return Actuators provide control of dampers in HVAC systems. Actuators in this series provide rated torques from 70 lb·in (8 N·m) to 310 lb·in (35 N·m). The series consists of models for on/off and floating control as well as models with Automatic Signal Input Detection, which allows automatic recognition of input signals for on/off, floating, and proportional control. These actuators are configured for direct mounting and do not require damper linkage. Actuators can be mounted directly with a universal clamp to a round damper shaft from 3/4 in. (19 mm) up to 1-1/16 in. (27 mm), and to a square damper shaft from 3/8 in. (10 mm) up to 3/4 in. (19 mm). An accessory crankarm and remote mounting kit are available for applications where the actuator cannot be direct-coupled to the damper shaft. An optional line voltage auxiliary switch kit can be field installed to indicate an end-stop position or perform switching functions within the selected rotation range. The M9300 actuators also feature an optional NEMA 4X/IP66 weather shield for applications in harsh environments. Refer to the M9300 Series Electric Non-Spring Return Actuators Product Bulletin (LIT-12012069) for important product application information.