3TY7683-0CF7 | Magnet coil with switch-on electronics for contactor 3TF6844-.C.., 110…132 V AC 50/60 Hz – Siemens
₹120,285.00 Original price was: ₹120,285.00.₹81,793.80Current price is: ₹81,793.80. Excl. GST
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The Siemens 3TY7683-0CF7 is a contactor, engineered for motor control and switching in demanding Indian and international installations. Key ratings include 110–132V AC. Buy the 3TY7683-0CF7 | Magnet coil with switch-on electronics for contactor 3TF6844-.C.., 110…132 V AC 50/60 Hz online at myelectric.in with GST invoice, genuine-product assurance, and fast delivery across India — bulk and worldwide export enquiries welcome.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Part Number / SKU | 3TY7683-0CF7 |
| Category | Contactor |
| Coil Voltage | 110–132V AC |
| Frequency | 60 Hz |
| Utilisation Category | AC-3 (motor duty) / AC-1 (resistive) |
| Rated Frequency | 50/60 Hz |
| Coil Operating Range | 0.8–1.1 × rated coil voltage (Uc) |
| Mounting | 35mm DIN rail or screw fixing |
| Standard | IEC 60947-4-1 / IS 13947-4-1 |
| Certifications | BIS certified, CE, cULus (select models) |
⚡ Key Features
- 110–132V AC coil — connects directly to pushbutton station, PLC digital output, or timer relay; suitable for standard 50Hz Indian industrial control circuits.
- Manufactured to IEC 60947-4-1 / IS 13947-4-1 — complies with the applicable Indian BIS and IEC international standards for this product category.
- BIS certified, CE, cULus (select models) — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
- Genuine authorised Siemens product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
- GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
- Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.
❓ Frequently Asked Questions
Q: The 3TY7683-0CF7 has a coil voltage of 110–132V AC — what control supply is needed?
A: This Siemens device requires a 110–132V AC control supply connected to the coil terminals (A1 and A2). For AC coils, ensure the control circuit voltage is stable — voltage drops below 85% of rated coil voltage can cause chatter and coil overheating. Always fit a surge suppressor across the coil when switching with a PLC or solid-state relay.
Q: Can multiple 3TY7683-0CF7 contactors be wired for star-delta starting?
A: Yes. Star-delta starters use three contactors: main (KM1), star (KM2), and delta (KM3). The Siemens contactor series supports mechanical and electrical interlocking accessories that prevent simultaneous energisation of star and delta contactors — critical for safety. Ensure all three contactors are rated correctly for the motor FLC and star-delta transition current.
Q: What is the electrical and mechanical life of the 3TY7683-0CF7?
A: Siemens contactors are rated for millions of operations: typically 10–30 million mechanical operations and 1–3 million electrical operations at rated current and voltage (AC-3 duty). High-frequency switching applications (>10 operations/hour) require checking the specific thermal capacity of the contactor for continuous duty without overheating.
Q: Can the 3TY7683-0CF7 be used for reversing duty (forward/reverse motor control)?
A: Contactors used for reversing must be wired with two contactors interlocked so only one can energise at a time. The Siemens series provides mechanical interlock kits that physically prevent both contactors from closing simultaneously — mandatory for reversing and brake applications to prevent phase-to-phase short circuits.












