The Honeywell M940B1074 is a Modutrol IV actionator motor for proportional positioning of dampers and valves. It is configured with 120 V power, 60-second timing, a 135 ohm retransmitting potentiometer, and two SPDT auxiliary switches.
Technical Specifications
- Manufacturer: Honeywell
- Part Number: M940B1074
- Product Type: M940 Modutrol IV Motor
- Power Supply: 120 V, 23 W
- Nominal Timing: 60 seconds
- Auxiliary Switches: Two SPDT
- Motor Shaft Rotation: Adjustable, Reversible (0.25″-1.5″)
- Feedback Device: 135 ohm retransmission potentiometer
Key Features and Functionality
- Position Feedback: Includes 135-ohm potentiometer for remote indication.
- Auxiliary Switching: Features two SPDT switches for external control.
- Strain Relief: Internal spring protects the mechanism at the stroke ends.
- Durable Housing: Die-cast aluminum case resists industrial impact.
- Weather Resistant: Sealed design meets NEMA 4 standards.
Compatible Components and Related Parts
-
R7195 External Electronic Motor Positioner
Compliance and Approvals
- UL Certified
- CSA Certified
- NEMA Type 4
Installation and Operational Notes
- Verify supply voltage before energizing the motor.
- Set stroke length to match the driven device travel.
- Confirm auxiliary switch wiring before operation.
- Plug the drain holes to ensure rated enclosure protection.
- Maintain proper linkage alignment during installation.
Series Information
Honeywell Actionator Model Selection
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