Description
Siemens 14DUE32BA Heavy Duty Motor Starter Overview
The Siemens 14DUE32BA is a heavy duty motor starter engineered for reliable three-phase motor control in commercial and industrial HVAC applications. Housed in a NEMA 1 general purpose enclosure, this unit combines a robust contactor with an integrated solid state overload relay, delivering precise motor protection and simplified installation in a single, self-contained package.
Key Features
- Coil Voltage: 110–120V AC / 220–240V AC (dual voltage)
- Three-phase, 3-pole configuration for full motor control
- NEMA Size 1 starter rating
- Frame Size: A1
- Overload Rating: 10–40 Amps (solid state overload relay)
- Auto/Manual reset capability on the overload relay
- NEMA 1 general purpose enclosure for indoor installations
- Heavy duty construction for demanding motor starting applications
Solid State Overload Protection
The integrated solid state overload relay provides accurate, repeatable motor protection without the wear associated with bimetallic overloads. The adjustable 10–40 amp range accommodates a wide variety of motor sizes, and the Auto/Manual reset feature gives technicians flexibility in how the starter responds to an overload trip event — automatically restoring operation or requiring a deliberate manual reset for added safety.
NEMA 1 Enclosure
The NEMA 1 rated general purpose enclosure is designed for indoor use, protecting internal components from dust and incidental contact. It is well-suited for mechanical rooms, rooftop equipment, and other protected indoor environments common in commercial HVAC installations.
Specifications
- SKU: 14DUE32BA
- Brand: Siemens
- Coil Voltage: 110–120V AC / 220–240V AC
- Phase: Three Phase
- Number of Poles: 3
- Overload Range: 10–40 Amps
- Overload Type: Solid State with Auto/Manual Reset
- NEMA Starter Size: 1
- Frame Size: A1
- Enclosure Type: NEMA 1 General Purpose
- Application: Heavy Duty Motor Starting
Applications
- Commercial HVAC compressor and fan motor control
- Chiller and air handler motor starting
- Pump and blower motor control in mechanical rooms
- Industrial and commercial three-phase motor applications
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