Description
The Siemens 14DUA32AA is a heavy duty NEMA motor starter engineered for reliable three-phase motor protection and control in demanding commercial and industrial HVAC applications. Built to NEMA Size 1 standards with a Frame Size A open-type enclosure, this starter delivers robust performance in a compact, field-proven package.
Coil & Electrical Specifications
- Coil Voltage: 110–120V AC / 220–240V AC
- Phases: Three Phase
- Poles: 3 Pole
Overload Protection
- Overload Type: Solid State Overload Relay
- Overload Current Range: 0.25–1 Amp
- Reset Mode: Auto/Manual Reset (field selectable)
Enclosure & Construction
- NEMA Size: 1
- Frame Size: A
- Enclosure Type: Open Type
Key Features & Benefits
- Heavy duty motor starter rated for continuous commercial and industrial use
- Solid state overload relay provides precise, reliable motor protection against overloads and phase loss
- Auto/Manual reset flexibility allows operators to choose the appropriate reset behavior for the application
- Dual coil voltage rating (110–120V / 220–240V AC) accommodates a wide range of power supply configurations
- NEMA Size 1 rating suitable for motors up to standard NEMA 1 horsepower ratings
- Open type enclosure designed for installation within a separate enclosure or control panel
- Three-phase, 3-pole design ensures balanced motor protection across all phases
Typical Applications
- Commercial HVAC fan and blower motor control
- Pump motor starting and protection
- Industrial motor control panels
- Air handling unit motor starters
- Compressor motor control applications
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