The Siemens 3TF53020AP0 is a heavy-duty 3-pole power contactor from the reliable 3TF SICOP Series, engineered for switching and controlling high-power three-phase motors and industrial electrical loads.
This variant features a 230V AC control coil (AP0) and is equipped with 2NO + 2NC built-in auxiliary contacts. With a robust 225A AC-3 current rating, the contactor is capable of controlling motors up to 110 kW at 415V AC, making it ideal for MCC panels, DOL and Star-Delta starters, pumps, compressors, HVAC systems, conveyors, mining operations, steel plants, and industrial automation applications.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF SICOP |
| Part Number | 3TF53020AP0 |
| Product Type | Heavy Duty Power Contactor |
| Number of Poles | 3 Pole |
| Main Contacts | 3NO |
| Auxiliary Contacts | 2NO + 2NC |
| Coil Type | AC Coil |
| Coil Voltage | 230V AC |
| Frequency | 50/60 Hz |
| Rated Current (AC-3) | 225A |
| Motor Power Rating | 110 kW @ 415V AC |
| AC-1 Rating | 350A |
| Rated Insulation Voltage (Ui) | 1000V |
| Frame Size | S12 |
| Connection Type | Screw Terminal |
| Utilization Category | AC-3 |
| Protection Class | IP20 |
| Mechanical Life | Up to 10 Million Operations |
| Standard | IEC 60947-4-1 |
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