Product Description
Honeywell M9174C1025 is a Series 90 Modutrol IV modulating actuator motor, non-spring return type. It is a classic modulating actuator for HVAC and combustion control systems. Equipped with built-in transformer, it accepts Series 90 proportional control signal to drive dampers and fuel valves for continuous modulating control. It has two built-in auxiliary switches, field adjustable stroke, die-cast aluminum housing. It maintains position upon power loss. Widely used for air-fuel ratio regulation of burners and air damper control in air handling units, it is a common spare part for HVAC and combustion safety systems.
Specifications
- Model: M9174C1025
- Brand: Honeywell
- Type: Modutrol IV Modulating Actuator Motor, Non-Spring Return
- Supply Voltage: 120V AC, 50/60Hz
- Power Consumption: 12VA
- Torque: 75 lb-in (8.5 N·m)
- Control Signal: Series 90 proportional signal, 135Ω
- Adjustable Stroke: 90°~160°, factory preset 90°
- Nominal Timing: 30s @90°, 60s @160°
- Shaft Rotation: Clockwise with increasing control signal (viewed from power end)
- Auxiliary Switches: 2 internal switches
- Housing: Die-cast aluminum, NEMA 3
- Mounting: Foot-mounted
- Net Weight: approx. 3.4 kg
- Dimension (W×H×D): 140 mm × 164 mm × 185 mm
- Operating Temperature: -40℃ ~ +60℃
- HS Code: 8501109990
- Certification: UL, CE
- Remark: Non-spring return, holds position when power fails
Application
- Continuous modulation of gas / oil fuel valves for industrial boiler burners, air-fuel ratio control;
- Drive fresh air, exhaust and mixing dampers for AHU and central air conditioning;
- Damper control for heat treatment furnaces and ovens;
- Retrofit and spare replacement for building BMS and combustion safety control systems;
- Linked air & fuel regulation with Honeywell combustion controllers.
Modutrol IV Series Models
- M9174C1025: 120V, 8.5Nm, non-spring return, 2 aux switches (this item)
- M9174D1008: 24V version, non-spring return
- M9184A1017: Spring return, fail-safe close
- M9164B1015: Low torque Modutrol IV actuator
- M9194C1032: High torque combustion modulating actuator
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