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The Siemens 3 Pole 3TF50 Power Contactor is a high-performance electrical switching device designed to control and protect electrical circuits, particularly in industrial and commercial power applications. Engineered for reliability and efficiency, the 3TF50 model offers robust load-handling capabilities, making it suitable for frequent switching of motors, heating circuits, and lighting systems. Its three-pole configuration enables the control of three-phase power systems seamlessly, ensuring precise and safe operation in demanding environments. This power contactor features a compact design with superior insulation and thermal resistance, providing enhanced durability and extended service life. The Siemens 3TF50 is compatible with a wide range of auxiliary contacts and coils, allowing tailored solutions for complex automation systems. It is widely utilized in manufacturing plants, energy distribution boards, and automation control panels where operational safety and performance integrity are paramount.
Key Features
| Features | Description |
|---|---|
| Number of Poles | 3 Poles |
| Model | Siemens 3TF50 |
| Type | Power Contactor |
| Application | Industrial motor control, heating, lighting circuits |
| Operational Voltage | Up to 690V AC |
| Current Rating | Varies by specific model variant; typically ranges from 9A to 95A |
| Coil Voltage Compatibility | Available in multiple coil voltages including 24V DC, 110V AC, 230V AC |
| Mounting Type | DIN rail or Panel Mounting |
| Auxiliary Contact Options | Compatible with add-on auxiliary contact blocks |
| Certifications | IEC, UL, and other international standards compliant |
| Attributes | Description |
|---|---|
| Pole Configuration | 3 Pole |
| Utilization Category | AC-3 (Motor Starting and Switching) |
| Rated Operational Current (Ie) | Ranges between 9A to 95A (depending on exact model variant) |
| Rated Operational Voltage (Ue) | Up to 690 Volts AC |
| Insulation Voltage (Ui) | Up to 1000 Volts |
| Mechanical Endurance | Up to 10 million operations |
| Electrical Endurance | Up to 1 million operations |
| Coil Voltage Range | Customizable from 24V DC to 230V AC |
| Operating Temperature Range | -25°C to +60°C |
| Connection Type | Screw Terminals |
| Mounting | DIN Rail or Screw Mounted |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
The Siemens 3TF50 contactor is available with various coil voltages, including 24V DC, 110V AC, and 230V AC, enabling flexible operation across different control systems.
Yes, the 3TF50 is rated under utilization category AC-3, making it suitable for motor starting and switching applications in three-phase electrical circuits.
This contactor supports DIN rail mounting as well as panel mounting, accommodating diverse installation requirements in control panels and switchboards.
Yes, the 3TF50 series is compatible with add-on auxiliary contact blocks, which can be installed to expand functionality for signaling and interlocking purposes.
The contactor offers mechanical endurance up to 10 million operations and electrical endurance up to 1 million operations, ensuring longevity in industrial environments.
Depending on the specific model variant, current ratings typically range from 9A to 95A, catering to various low and medium power applications.
Country Of Origin: India
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