Description
The Siemens 14CUB32AA is a heavy duty motor starter engineered for reliable three-phase motor control in commercial and industrial HVAC applications. Built to NEMA Size 0 standards in a compact Frame Size A form factor, this starter features a solid state overload relay with both auto and manual reset capability, providing flexible protection for a wide range of motor loads.
Key Features
- Dual coil voltage rating: 110–120V AC / 220–240V AC for broad application compatibility
- Three-phase, 3-pole configuration for full motor protection
- Overload current range: 0.75–3.4 Amps for precise motor protection
- NEMA Size 0 rating — ideal for smaller fractional and integral horsepower motors
- Frame Size A compact design for space-efficient panel installations
- Open type enclosure for easy integration into existing electrical panels or enclosures
- Solid state overload relay delivers accurate, repeatable trip characteristics
- Auto/Manual reset flexibility allows field-selectable restart behavior
Specifications
- SKU: 14CUB32AA
- Brand: Siemens
- Coil Voltage: 110–120V AC / 220–240V AC
- Phase: Three Phase
- Poles: 3
- Overload Rating: 0.75–3.4 Amps
- NEMA Size: 0
- Frame Size: A
- Enclosure Type: Open
- Overload Type: Solid State
- Reset Type: Auto / Manual
Application
The Siemens 14CUB32AA is well-suited for controlling single- and three-phase motors in HVAC systems, commercial refrigeration, pump and fan applications, and light industrial equipment. The solid state overload provides superior protection against overheating and phase loss compared to traditional bimetallic overloads, while the auto/manual reset option gives technicians full control over restart behavior after a fault condition.
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