The Siemens 3TF50020AF0 is a heavy-duty 3-pole power contactor from the proven 3TF SICOP Series, designed for switching and controlling large three-phase motors and industrial power loads.
This model features a 110V AC control coil (AF0) and comes with 2NO + 2NC built-in auxiliary contacts. With a 110A AC-3 current rating and motor switching capability up to 55 kW at 415V AC, it is ideal for MCC panels, motor starters, compressors, pumps, HVAC systems, conveyors, and industrial automation applications.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF SICOP |
| Part Number | 3TF50020AF0 |
| Product Type | Heavy Duty Power Contactor |
| Number of Poles | 3 Pole |
| Main Contacts | 3NO |
| Auxiliary Contacts | 2NO + 2NC |
| Coil Type | AC Coil |
| Coil Voltage | 110V AC |
| Frequency | 50 Hz |
| Rated Current (AC-3) | 110A |
| Motor Power Rating | 55 kW @ 415V AC |
| Breaking Capacity | 50 kA |
| Frame Size | S6 |
| Connection Type | Screw Terminal |
| Rated Insulation Voltage (Ui) | Up to 690V |
| Weight | Approx. 3.3–3.6 kg |
| Standard | IEC / IS 60947-4-1 |
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