3TF4322-OA - Siemens Contactor

3TF4322-OA  - Siemens Contactor

Looking for dependable and efficient motor control in your industrial or commercial setup? The Siemens 3TF4322-0A Contactor delivers the performance and reliability you need. This 3-pole AC contactor is engineered to handle the challenging demands of electric motor switching—up to 7.5 HP at 230V and 15 HP at 460V—while maintaining long-term durability under frequent operation. Rated for up to 600 volts and 22 amps, it's built for a wide range of applications, including conveyors, compressors, pumps, and industrial automation systems. With a compact form factor and straightforward installation options, it easily integrates into control panels while conserving valuable space. Featuring a 110/120V AC coil, this Siemens contactor works seamlessly with standard control systems. Built with international safety and performance certifications, the 3TF4322-0A offers peace of mind and trusted functionality in even the harshest industrial environments.

Key Features and Benefits

• Reliable Motor Control: Designed to handle electric motors up to 15 HP at 460V, perfect for high-demand industrial machinery.
• Flexible Coil Voltage: 110/120V AC coil supports compatibility with standard control voltages used in North American systems.
• Dual Auxiliary Contacts: Comes with 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts, providing enhanced control logic capabilities.
• Space-Saving Design: Compact and efficient for tighter panel layouts, optimizing control cabinet real estate.
• Rugged Construction: Built to endure the mechanical and electrical stress of frequent switching operations in industrial settings.
• Simple Mounting Options: Easily mounts to DIN rails or flat panels, making it a versatile addition to any control system.

Technical Specifications

• Contact Type: 3-Pole AC Contactor
  
• Current Rating: 22 Amps
  
• Operational Voltage: Up to 600V AC
  
• Coil Voltage: 110/120V AC
  
• Auxiliary Contacts: 2 NO + 2 NC
  
• Mounting Style: DIN Rail or Panel Mount
  
• Terminal Type: Screw Terminals
  
• Dimensions (HxWxD): Approx. 7.09 x 6.3 x 8.27 inches
  
• Weight: Approx. 0.6 kg
  

Material Compliance and Certifications

• UL Listed – Meets industry safety and performance standards for electrical equipment in the U.S.
• CSA Certified – Approved by the Canadian Standards Association for use across Canadian installations.
• CE Marked – Compliant with essential health and safety requirements within the European Economic Area.
• RoHS Compliant – Free from hazardous substances, environmentally safe for global applications.

Where It Works Best

• The Siemens 3TF4322-0A Contactor is ideal for industries where motors are frequently started and stopped, such as manufacturing plants, HVAC systems, food processing, mining, water treatment, and logistics automation. It's ideal for motor-driven equipment, such as pumps, compressors, conveyors, and machinery, that require consistent performance with minimal maintenance. Whether you're upgrading an older control system or building a new panel from scratch, this contactor delivers dependable control and long-lasting resilience.