🔹 Siemens Magnet Coil – 3TY7543-0AR0 (415V AC, for 3TF54 / 3TF55 Contactors)
The Siemens 3TY7543-0AR0 is a 415V AC magnet coil designed specifically for Siemens 3TF54 and 3TF55 power contactors. This genuine Siemens replacement coil provides the electromagnetic force required to operate the contactor mechanism, ensuring dependable switching performance in industrial motor control and power distribution applications.
When supplied with 415V AC control voltage, the coil generates a magnetic field that attracts the contactor armature, causing the main contacts to close and establish electrical continuity. Once the control voltage is removed, the spring-return mechanism releases the armature, opening the contacts and safely interrupting the circuit.
Engineered for reliability and long service life, the 3TY7543-0AR0 magnet coil is widely used in motor control centers (MCCs), industrial automation systems, power distribution panels, HVAC equipment, compressors, pumps, conveyors, machine tools, and manufacturing facilities where consistent contactor operation is essential.
• Genuine Siemens 3TY Series magnet coil
• Model Number: 3TY7543-0AR0
• Rated Coil Voltage: 415V AC
• Compatible with Siemens 3TF54 and 3TF55 contactors
• Reliable electromagnetic switching operation
• Designed for industrial AC control circuits
• Stable pull-in and release characteristics
• High insulation strength and thermal durability
• Suitable for continuous-duty applications
• Easy installation and replacement
• Long operational life and dependable performance
| Parameter | Specification |
|---|---|
| Product Series | Siemens 3TY Series |
| Model Number | 3TY7543-0AR0 |
| Product Type | Magnet Coil |
| Rated Voltage | 415V AC |
| Coil Type | AC Coil |
| Compatible Contactors | Siemens 3TF54, 3TF55 |
| Function | Electromagnetic Contactor Actuation |
| Mounting | Internal Contactor Coil |
| Application | Motor Control & Automation |
| Duty Type | Continuous Duty |
| Brand | Siemens |
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