Description
The Honeywell MS3105K3050/B actuators are spring-return, direct-coupled rotary components designed to control final positioning elements like dampers and quarter-turn valves. These versatile actuators ensure fail-safe operation—returning to a default position if power is lost—making them ideal for loaning HVAC safety, zoning, and ventilation control.
Features:
- Brushless DC submotor with electronic stall protection on all models
- Self-centering shaft adaptor (shaft coupling) for wide range of shaft sizes
- Models available for use with two-position, SPST, line- or low-voltage controls
- Models available with combined floating and modulating control in a single device
- Models available with an internal end switch
- Access cover to facilitate connectivity
- Durable plastic housing with built-in mechanical end limits
- Spring return direction field selectable
- Shaft position indicator and scale
- Integral 1/2 in. NPSM conduit connection on some models
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