Overview
The Siemens 3TB4122-0XU0 Contactor is a high-performance electrical switching device designed for a wide range of industrial applications, particularly for controlling AC motors. Engineered for durability and reliability, this contactor is part of the trusted Siemens 3TB series, known for its robust construction and consistent performance. With a compact size 0 form factor, it’s ideal for installations where space is a premium. The contactor features a 240V AC operating coil for a 50Hz frequency and is rated for a 12A current at 400V in an AC-3 utilization category, supporting motor loads up to 5.5kW.
Key Features & Function
- Controlling Power Circuits: The primary function of the Siemens 3TB4122-0XU0 is to safely switch electrical circuits, specifically for starting and stopping AC motors.
- High-Rated Performance: Designed to handle AC-3 utilization, this contactor is optimized for normal starting and stopping of squirrel-cage motors, making it a reliable component for motor control panels.
- Auxiliary Contacts: Equipped with one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, it provides feedback and interlocking capabilities for complex control circuits.
- Secure Screw Connection: The screw terminals ensure a secure and reliable electrical connection, minimizing the risk of faults due to loose wiring and simplifying installation and maintenance.
- Compact Design: As a size 0 contactor, it offers a space-saving solution without compromising on its performance ratings.
Technical Specification
- Product Number: 3TB4122-0XU0
- Type: Contactor AC
- Coil Voltage: 240 V AC, 50 Hz
- Rated Operational Current (AC-3): 12 A
- Rated Operational Power (AC-3): 5.5 kW at 400 V
- Auxiliary Contacts: 1 NO + 1 NC
- Size: Size 0
- Connection Type: Screw Connection
Benefit
- Reliability: Built with Siemens’ quality engineering, this contactor provides consistent and long-lasting performance in demanding industrial environments.
- Safety: The robust design and reliable switching action help prevent electrical hazards and ensure the safe operation of connected equipment.
- Versatility: Suitable for a variety of applications, including motor control, lighting, heating, and other resistive or inductive loads.
- Easy Integration: The standard screw terminals and compact size make it easy to integrate into existing control systems and panels.
- Cost-Effective: A durable and long-lasting component that reduces the need for frequent replacements, offering a great return on investment.
Application
The Siemens 3TB4122-0XU0 contactor is an essential component in a variety of industries and applications, including:
- HVAC systems
- Pump control
- Conveyor systems
- Industrial automation
- Machine tool control
- Panel building and distribution systems
For more our products visit turll.










Reviews
There are no reviews yet.