Description
Siemens 14DUD32AA Heavy Duty Motor Starter Overview
The Siemens 14DUD32AA is a heavy duty motor starter engineered for reliable three-phase motor control in demanding commercial and industrial HVAC applications. Built to NEMA Size 1 standards and housed in an open-type enclosure, this starter delivers robust performance with the flexibility of a wide coil voltage range and an advanced solid state overload relay.
Key Features
- NEMA Size 1 motor starter rated for three-phase, 3-pole motor control
- Wide coil voltage compatibility: 110–120V AC / 220–240V AC
- Solid state overload relay with selectable Auto/Manual reset
- Overload current range: 5.5–22 Amps for flexible motor sizing
- Frame Size A1 construction for compact panel integration
- Open type enclosure for easy installation in existing electrical panels or enclosures
- Heavy duty design built to withstand the rigors of continuous motor starting cycles
Specifications
- Brand: Siemens
- SKU / Part Number: 14DUD32AA
- Phase: Three Phase
- Number of Poles: 3
- Coil Voltage: 110–120V AC / 220–240V AC
- Overload Rating: 5.5–22 Amps
- NEMA Size: 1
- Frame Size: A1
- Enclosure Type: Open
- Overload Type: Solid State
- Reset Type: Auto / Manual
Application
Ideal for use with three-phase HVAC motors, pumps, fans, compressors, and other motor-driven equipment requiring dependable overload protection and motor starting control. The solid state overload relay provides precise, repeatable trip characteristics while the Auto/Manual reset option gives technicians flexibility during commissioning and service.
Why Choose the Siemens 14DUD32AA
Siemens heavy duty motor starters are trusted across commercial HVAC, mechanical, and industrial installations for their durability and consistent performance. The 14DUD32AA’s dual coil voltage rating simplifies installation across varying electrical systems, while the solid state overload relay eliminates the need for manual heater element selection — reducing inventory and installation time.
