The Siemens 3TF52020AR0 is a heavy-duty 3-pole power contactor from the dependable 3TF SICOP Series, specifically engineered for switching and controlling high-capacity three-phase motors and industrial electrical loads.
This variant features a 415V AC control coil (AR0) and comes with 2NO + 2NC built-in auxiliary contacts. With an AC-3 current rating of 185A, the contactor is capable of controlling motors up to 90 kW at 415V AC, making it ideal for motor control centers, compressors, pumps, HVAC systems, conveyors, mining operations, steel plants, and industrial automation applications.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF SICOP |
| Part Number | 3TF52020AR0 |
| Product Type | Heavy Duty Power Contactor |
| Number of Poles | 3 Pole |
| Main Contacts | 3NO |
| Auxiliary Contacts | 2NO + 2NC |
| Coil Type | AC Coil |
| Coil Voltage | 415V AC |
| Frequency | 50/60 Hz |
| Rated Current (AC-3) | 185A |
| Motor Power Rating | 90 kW @ 415V AC |
| AC-1 Rating | 300A |
| Rated Insulation Voltage (Ui) | 1000V |
| Frame Size | S10 |
| 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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