Siemens 14CUB32AA Class 14 Full Voltage Heavy Duty Motor Starter – Non-Reversing – 3-Pole – NEMA 0/Open – 110–120/220–240VAC Coil

The Siemens 14CUB32AA is a Class 14 full-voltage heavy-duty motor starter designed for reliable three-phase motor control and protection. It combines a 3-pole contactor with a solid-state overload relay, offering precise and dependable motor protection with long electrical life and high switching durability. Its non-reversing, non-combination design makes it suitable for straightforward motor starting applications in industrial environments.

Electrical Ratings

• Voltage Rating: 600 VAC
• Frequency Rating: 60 Hz
• Coil Voltage: 110–120 / 220–240 VAC
• Overload Relay Range: 0.75 – 3.4 Amps
• Motor Power Range: Up to 4 HP (depending on voltage/application)

Key Specifications

• Product Type: Full Voltage Heavy Duty Motor Starter
• Category: Class 14 Starters
• Configuration: Non-Reversing / Non-Combination
• Number of Poles: 3-Pole
• Enclosure Type: NEMA 0 / Open
• Auxiliary Contacts: 1 NO (Normally Open)

Technical Specifications

• Overload Type: Solid-State Electronic Relay
• Reset Type: Automatic / Manual selectable
• Operating Cycles: Up to 10,000,000 cycles
• Timing Performance: ON 19–29 ms / OFF 10–24 ms
• Connection Type: Threaded terminals
• Operating Temperature Range: -4°F to 104°F
• Power Consumption: 8.6 W

Dimensions

• Height: 7.44 in
• Width: 5.75 in
• Depth: 3.75 in

Product Data

• Manufacturer: Siemens
• Model Number: 14CUB32AA
• Series: Class 14 Heavy Duty Motor Starters

Standards & Approvals

• UL File No.: E14900
• CSA File No.: LR6535

Features

• Solid-state overload protection for accurate motor protection
• High mechanical and electrical life (up to 10 million cycles)
• Compact open-style NEMA 0 design for panel mounting
• Suitable for general-purpose industrial motor control
• Reliable performance for pumps, fans, compressors, and machinery
• Flexible reset options (automatic or manual) for application needs