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M9220 Series Electric Spring-Return Actuators

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Danh mục : Damper Actuator
Nhãn hiệu : Johnson Controls

The M9220-xxx-3 actuators are direct-mount, spring-return electric actuators. These bidirectional actuators do not require a damper linkage, and are easily installed ondampers with 1/2 - 3/4" or 12 - 19mm round shafts, or 3/8 and 1/2" or 10, 12, and 14mm square shafts using the standard shaft clamp included with the actuator.

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Setra’s Model 265 is a lower price solution that offers an excellent price to performance ratio and meets the requirements in all typical HVAC applications. The 265 is a low differential pressure transducer that uses a dead-ended capacitive sensing element that requires minimal amplification and delivers excellent accuracy and longterm stability. It delivers ±1% FS accuracy with ±0.25% and ±0.5% accuracy options with pressure ranges from 0.25” W.C. up to 100” W.C. The 265 has a small footprint, an AC power option and an optional conduit cover that allows for simple, secure installation for any applications

FEATURES/BENEFITS

Available torques of 177 lb·in (20 N·m) for singleactuators, 354 lb·in (40 N·m) for two models, and531 lb·in (60 N·m) for three models mounted intandem—offer a selection that is most suitablefor the application.

reversible mounting design—simplifiesinstallation and enables the actuator to springreturn in either direction.

electronic stall detection throughout entirerotation range—extends the life of the actuatorby deactivating the actuator motor when anoverload condition is detected.

removable coupler—adapts to a shorter dampershaft.

integral 48 in. (1.2 m) halogen-free cables withcolored and numbered conductors—simplify fieldwiring.

integral auxiliary switches (xxC Models)—provideone fixed and one adjustable switch point withline voltage capability.

NEMA 2 (IP54) rated aluminum enclosure—protects the internal components of the actuatorfrom dirt and moisture.

easy-to-use locking manual override with autorelease and crank storage—allows for manualpositioning of the actuator hub.

integral connectors for 3/8 in. flexible metalconduit—simplify installation and field wiring.

microprocessor-controlled brushless DC motor (-AGx, -GGx, and -HGx types)—provides constantrun-time independent of torque.

APPLICATIONS

The M9220-xxx-3 Electric Spring-Return Actuatorsprovide reliable control of dampers and valvesin HVAC systems. The M9220-xxx-3 Actuatorsare available for use with on/off, floating, andproportional controllers.

The M91xx Series


1 Catalog