Siemens 3TB4311-0XQ0 Contactor, AC 50 Hz, 380V Coil, 400V 22A 11kW, 1NC Auxiliary, Screw Terminal, Size 1 Original Brand New

Overview

The Siemens 3TB4311-0XQ0 is a high-performance AC contactor engineered for reliable switching of electrical loads in industrial and commercial applications. This Size 1 contactor is specifically designed for use with AC motors and is rated for a maximum power output of 11 kW at 400 V. The robust design and quality construction ensure a long service life and dependable operation. With its 380 V, 50 Hz coil and 22 A current rating, the 3TB4311-0XQ0 provides efficient and safe control over your electrical circuits.

Key Benefit

• Reliable Performance: Siemens is a leader in industrial control products, and this contactor is built to the highest standards, ensuring consistent and dependable operation.
• Safety and Durability: The robust construction and high-quality materials protect against electrical faults and provide a long operational lifespan.
• Easy Installation: The screw connections allow for quick and secure wiring, minimizing installation time and effort.
• Versatile Application: Ideal for a wide range of motor control applications, including pumps, fans, conveyors, and other industrial machinery.
• Cost-Effective Solution: A durable and reliable contactor that reduces maintenance and downtime costs over the long run.

Technical Specifications & Function

• Product Number: 3TB4311-0XQ0
• Product Type: Contactor
• Coil Voltage: 380 V AC, 50 Hz
• Operational Voltage (Ue): 400 V AC
• Operational Current (Ie): 22 A (AC-3)
• Rated Power (Pe): 11 kW (AC-3)
• Auxiliary Contacts: 1 NC (Normally Closed)
• Size: Size 1
• Connection Type: Screw Terminals
• Mounting: Standard DIN rail or screw mounting
• Operating Temperature: -25 to +60 °C
• Short-Circuit Protection: Requires an appropriate short-circuit protective device (SCPD)
• Functions:
  • Switching: Efficiently switches the main power circuit on and off.
  • Motor Control: Serves as a primary component in motor starter circuits.
  • Load Protection: Works in conjunction with overload relays to protect motors from overcurrent.
  • Remote Control: Enables remote activation and deactivation of electrical loads.

Application

• Industrial Automation: Used in control panels for automated machinery.
• HVAC Systems: Controls motors in heating, ventilation, and air conditioning units.
• Pumping Systems: Manages the on/off cycles of water and fluid pumps.
• Material Handling: Controls motors for conveyors and hoisting equipment.
• General Purpose: Suitable for any application requiring the switching of high-power AC loads.

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