🔹 Power Contactor – Siemens 3TF68440CM7 (3TF Series Heavy Duty / Special Application)
🔹 Product Description
The Siemens 3TF68440CM7 is a heavy-duty vacuum power contactor from the 3TF6 series, designed for switching and controlling very high-power 3-phase electrical loads in special industrial applications. It is commonly used in large motor control systems such as steel plants, mining equipment, compressors, and heavy industrial machinery where extremely high current handling and reliability are required.
This contactor is built for superior electrical endurance and high switching performance under continuous heavy-duty operation. Its vacuum-based switching system ensures reduced contact wear, strong arc-quenching capability, and stable performance even in demanding industrial environments.
🔹 Key Features
• Siemens 3TF6 Series heavy-duty vacuum contactor
• Model: 3TF68440CM7
• Special application industrial contactor design
• Designed for very high-power 3-phase motor control
• Vacuum switching technology for long service life
• Extremely high mechanical and electrical durability
• Suitable for AC-3 heavy motor duty applications
• High breaking and making capacity for industrial loads
• Robust design for harsh operating environments
• Suitable for MCC panels, power control systems, and large machinery
• High vibration and shock resistance
• Low maintenance requirement
• Reliable operation in continuous industrial duty
• Optimized for special/high-demand switching applications
| Parameter | Specification |
|---|---|
| Product Series | Siemens 3TF6 Heavy Duty Vacuum Contactor |
| Model Number | 3TF68440CM7 |
| Product Type | Power Contactor (Special Application / Vacuum Type) |
| Pole Configuration | 3 Pole (3P) |
| Application Category | AC-3 (Heavy Motor Duty) |
| Coil Voltage | 200–240 V AC (50/60 Hz) |
| Auxiliary Contacts | 4NO + 4NC |
| Rated Power | Up to ~335 kW (depending on voltage) |
| Rated Current | Up to ~630 A (AC-3) |
| Mounting Type | Chassis / Panel Mounting |
| Usage | Steel plants, mining, compressors, heavy motors |
| Brand | Siemens |
| Duty Type | Extra Heavy Industrial / Special Application Use |
No reviews yet.