🔹 Siemens Magnet Coil – 3TY7503-0AF0 (110V AC, for 3TF50 / 3TF51 Contactors)
The Siemens 3TY7503-0AF0 is a 110V AC magnet coil designed for Siemens 3TF50 and 3TF51 power contactors. It provides the electromagnetic force required to actuate the contactor mechanism, ensuring reliable switching of motors, machinery, and industrial electrical loads in control and automation systems.
When energized with 110V AC, the coil generates a magnetic field that attracts the contactor armature, closing the main contacts and allowing power to flow through the circuit. Once the control voltage is removed, the spring-return mechanism safely opens the contacts, ensuring dependable operation.
This replacement coil is widely used in motor control centers (MCCs), industrial automation panels, manufacturing facilities, HVAC systems, pumps, compressors, conveyors, and power distribution networks, where stable contactor performance is essential.
🔹 Key Features
• Siemens 3TY Series magnet coil
• Model: 3TY7503-0AF0
• Rated control voltage: 110V AC
• Suitable for Siemens 3TF50 and 3TF51 contactors
• Reliable electromagnetic switching operation
• Designed for industrial AC control circuits
• High insulation strength and thermal stability
• Continuous-duty industrial construction
• Stable pull-in and drop-out characteristics
• Easy installation and replacement
• Long operational life and dependable performance
| Parameter | Specification |
|---|---|
| Product Series | Siemens 3TY Series |
| Model Number | 3TY7503-0AF0 |
| Product Type | Magnet Coil for Contactor |
| Rated Control Voltage | 110V AC |
| Compatible Contactors | Siemens 3TF50, 3TF51 |
| Coil Type | AC Operated |
| Function | Electromagnetic actuation of contactor |
| Mounting Type | Internal coil assembly |
| Application | Motor control, automation, power switching |
| Duty Type | Continuous Duty |
| Brand | Siemens |
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