The Siemens 3TF68440CM7 is a vacuum contactor from the Siemens 3TF6 series, designed for reliable switching and control of electrical loads in industrial applications. This Size 14 vacuum contactor features an AC 50 Hz coil and 4 NO + 4 NC auxiliary contacts for control, signalling and interlocking functions.
The 3TF68440CM7 is suitable for industrial control panels, motor control systems, switching equipment, automation applications and electrical distribution systems where dependable contactor operation is required.
It is a practical solution for panel builders, OEMs, electrical contractors, system integrators and industrial maintenance teams working with compatible Siemens 3TF6 equipment.
The Siemens 3TF68440CM7 Vacuum Contactor can be used in:
Looking for a Siemens 3TF68440CM7 Vacuum Contactor supplier in India? SB Smart supplies Siemens contactors, vacuum contactors, control components and industrial electrical products for panel builders, OEMs, contractors, system integrators and industrial customers.
We supply Siemens products across Faridabad, Noida, Gurugram (Gurgaon), Delhi NCR and major Indian cities including Mumbai, Bengaluru, Hyderabad, Chennai, Pune, Ahmedabad, Kolkata and Jaipur.
The Siemens 3TF68440CM7 is a 3TF6 series Size 14 vacuum contactor with an AC 50 Hz coil and 4 NO + 4 NC auxiliary contacts.
The contactor has 4 normally open (NO) and 4 normally closed (NC) auxiliary contacts.
The 3TF68440CM7 belongs to the Siemens 3TF6 vacuum contactor series.
It can be used in industrial motor control, automation systems, electrical control panels, switching equipment and machine control applications.
The product is specified with an AC coil operating at 50 Hz.
You can source the Siemens 3TF68440CM7 Vacuum Contactor from SB Smart, with supply available across Delhi NCR, Faridabad, Noida, Gurugram and major cities throughout India.
| 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 |
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