The Siemens 3TF54020AR0 is a heavy-duty 3-pole power contactor from the proven 3TF SICOP Series, designed for switching and controlling high-power three-phase motors and industrial electrical loads in demanding applications.
This variant is equipped with a 415V AC control coil (AR0) and features 2NO + 2NC built-in auxiliary contacts. With an AC-3 current rating of 265A, the contactor is suitable for controlling motors up to 132 kW at 415V AC, making it ideal for motor control centers (MCCs), large pumps, compressors, HVAC systems, conveyors, mining equipment, steel plants, cement plants, and industrial automation systems.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF SICOP |
| Part Number | 3TF54020AR0 |
| 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) | 265A |
| Motor Power Rating | 132 kW @ 415V AC |
| AC-1 Rating | 400A |
| 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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