Description
The Siemens 14DUD32BA is a heavy duty enclosed motor starter engineered for reliable three-phase motor control in commercial and industrial HVAC and mechanical applications. Housed in a NEMA 1 general purpose enclosure with Frame Size A1, this unit delivers robust performance in a compact, field-ready package.
Electrical Specifications
- Coil Voltage: 110–120V AC / 220–240V AC
- Phases: Three Phase
- Poles: 3 Pole
- NEMA Starter Size: 1
- Frame Size: A1
Overload Protection
- Overload Type: Solid State
- Overload Amp Rating: 5.5–22 Amps
- Reset Mode: Auto / Manual Reset
Enclosure & Construction
- Enclosure Type: NEMA 1 General Purpose
- Designed for indoor commercial and light industrial environments
- Heavy duty construction for demanding motor control applications
Key Features & Benefits
- Solid state overload relay provides precise, reliable motor protection
- Auto/Manual reset flexibility for operator convenience and safety
- Dual coil voltage rating (110–120V / 220–240V AC) for broad application compatibility
- NEMA Size 1 rating suitable for a wide range of three-phase motor loads
- Factory-assembled and enclosed for quick installation and reduced field wiring time
- Siemens quality engineering for long service life and dependable performance
Typical Applications
- Three-phase HVAC fan and blower motor control
- Commercial pump and compressor motor starting
- Light industrial motor control panels
- Mechanical room equipment control







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