Description
The Siemens 14DUD32AF is a heavy-duty, three-phase motor starter engineered for reliable motor protection and control in demanding commercial and industrial HVAC applications. Built to NEMA Size 1 standards with a Frame Size A1 designation, this open-type enclosure starter delivers robust performance with a solid-state overload relay featuring both auto and manual reset capability.
Key Features
- 120VAC coil voltage for straightforward integration with standard control circuits
- Three-phase, 3-pole design for balanced motor protection across all phases
- 5.5–22 amp overload rating provides flexible coverage for a wide range of motor sizes
- NEMA Size 1 rating ensures compatibility with standard motor starter enclosures and panels
- Frame Size A1 construction for compact, space-efficient installation
- Open-type enclosure suitable for use inside control panels or protected environments
- Solid-state overload relay delivers precise, repeatable trip characteristics without mechanical wear
- Auto/Manual reset options give technicians flexibility in fault-recovery procedures
Specifications
- Brand: Siemens
- SKU / Part Number: 14DUD32AF
- Coil Voltage: 120VAC
- Phase: Three Phase
- Poles: 3
- Overload Rating: 5.5–22 Amps
- NEMA Size: 1
- Frame Size: A1
- Enclosure Type: Open Type
- Overload Type: Solid State
- Reset Type: Auto / Manual
Applications
The Siemens 14DUD32AF is ideal for controlling and protecting three-phase motors in HVAC systems, pumping stations, air handling units, compressors, and other commercial mechanical equipment. The solid-state overload relay ensures accurate thermal modeling of motor conditions, reducing nuisance trips while providing dependable protection against overloads and phase imbalance.
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