MA-418-500 | Schneider Electric 120VAC Spring Return Two-Position HVAC Actuator
Schneider Electric · Motors & Motion
Description The Schneider Electric MA-418-500 is a 120 VAC two-position electric actuator designed for reliable on/off control of dampers and valves in HVAC systems. Originally manufactured under the Barber Colman line, this actuator features a spring-return mechanism and integrated auxiliary switch for fail-safe operation. It is commonly used in commercial air handling and safety-critical applications requiring dependable default positioning on power loss. Technical Specifications Condition New/Never Used Surplus Brand Schneider Electric Category HVAC Controls Part Number MA-418-500 Subcategory Electric Actuators Product Type Two-Position Spring-Return Actuator Control Signal Two-Position (On/Off) Power Supply 120 VAC, 50/60 Hz Torque Output 60 in-lb Fail-Safe Mode Spring Return Auxiliary Switch 1 × SPDT Power Consumption (Running) 70 W Power Consumption (Holding) 25 W Rotational Stroke 170°–180° Travel Time ~20 seconds (no load at 75°F) Enclosure Rating NEMA 1 Housing Material Die-cast aluminum Mounting Orientation Horizontal shaft Weight 10.2 lb Information About MA-418-500 The MA-418-500 is a spring-return actuator from Schneider Electric’s Barber Colman MA-series, built for robust HVAC and industrial control environments. It utilizes a durable die-cast aluminum housing and an oil-immersed motor and gear train to ensure long service life and consistent torque output. This actuator is designed for horizontal shaft mounting and supports two-position (open/close) control logic. It is frequently integrated into building automation systems where auxiliary switch feedback and fail-safe positioning are required. Key Features: Two-Position Control: Provides simple on/off actuation for dampers and valves Spring-Return Operation: Automatically returns to a preset position upon power loss 60 in-lb Torque Output: Delivers strong mechanical force for HVAC damper applications 120 VAC Power Input: Operates on standard building control voltage Integrated Auxiliary Switch: Includes one SPDT switch for status indication or interlock control Wide Rotary Stroke: Supports approximately 170°–180° of shaft rotation Oil-Immersed Drive Train: Enhances durability and reduces internal wear The MA-418-500 delivers the reliability and precision required for fail-safe two-position damper and valve control in HVAC and building automation systems.
Brand: Schneider Electric · Category: Motors & Motion
Key features
- Two-Position Control: Provides simple on/off actuation for dampers and valves
- Spring-Return Operation: Automatically returns to a preset position upon power loss
- 60 in-lb Torque Output: Delivers strong mechanical force for HVAC damper applications
- 120 VAC Power Input: Operates on standard building control voltage
- Integrated Auxiliary Switch: Includes one SPDT switch for status indication or interlock control
- Wide Rotary Stroke: Supports approximately 170°–180° of shaft rotation
- Oil-Immersed Drive Train: Enhances durability and reduces internal wear
Specifications
| Manufacturer part number | MA-418-500 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Schneider Electric |
| Category | HVAC Controls |
| Part Number | MA-418-500 |
| Subcategory | Electric Actuators |
| Product Type | Two-Position Spring-Return Actuator |
| Control Signal | Two-Position (On/Off) |
| Power Supply | 120 VAC, 50/60 Hz |
| Torque Output | 60 in-lb |
| Fail-Safe Mode | Spring Return |
| Auxiliary Switch | 1 × SPDT |
| Power Consumption (Running) | 70 W |
| Power Consumption (Holding) | 25 W |
| Rotational Stroke | 170°–180° |
| Travel Time | ~20 seconds (no load at 75°F) |
| Enclosure Rating | NEMA 1 |
| Housing Material | Die-cast aluminum |
| Mounting Orientation | Horizontal shaft |
| Weight | 10.2 lb |
| Product type | Electric Actuators |
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