MNxx20 175 Lb-In
MNxx20 175 Lb-In. And MNxx34 300 Lb-In. Non-SpringReturn Direct Coupled Actuators
MNxx20/34 non-spring return damper actuators with 175 or 300 lb-in of torque provide modulating orfloating control for rotary valves, linear valves with appropriate linkage, and air damper applications.
Overview
MNxx20 175 lb-in. and MNxx34 300 lb-in. Series Non-Spring Return Direct Coupled Actuators (DCA) are used within heating,ventilating, and air-conditioning (HVAC) systems. They can drive a variety of quarter-turn, fi nal control elements.
Applications include: Volume control dampers, mounted directly to the drive shaft or remotely (with the use of accessoryhardware). Quarter-turn rotary valves, such as ball or butterfl y valves mounted directly to the drive shaft. Linear stroke globe orcage valves mounted with linkages to provide linear actuation.
Features & Benefi ts:
Self-centering shaft adapter
Access cover to simplify wiring
Declutch for manual adjustment
Mechanical stroke limits (MN6120/MN7220 only)
Internal auxiliary switches (MN6120/MN7220 only)
Rotation direction selectable by switch
Mountable in any orientation (no IP54 if upside down)
Mechanical position indicator
Certifi cations:
UL/cUL
UL873, File No. E4436; Guide No. XAPX
CE
C-TICK
UL94 Plenum Rating
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