Product Description
🔹 Power Contactor – Siemens 3TF53020AF0 (3TF Series, Heavy Duty)
🔹 Product Overview
The Siemens 3TF53020AF0 is a heavy-duty 3-pole power contactor from the robust 3TF SICOP Series, designed for switching and controlling high-capacity three-phase motors and industrial power loads.
This variant is equipped with a 110V AC control coil (AF0) and features 2NO + 2NC built-in auxiliary contacts. With an AC-3 current rating of 225A, the contactor is suitable for controlling motors up to 110 kW at 415V AC, making it ideal for motor control centers (MCCs), compressors, pumps, HVAC systems, conveyors, mining operations, steel plants, and industrial automation applications.
🔹 Key Features
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Siemens 3TF SICOP Heavy Duty Series
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Part Number: 3TF53020AF0
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3-Pole Power Contactor
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110V AC Coil Voltage
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Built-In 2NO + 2NC Auxiliary Contacts
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225A AC-3 Rated Current
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Suitable for Motors up to 110 kW at 415V AC
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Heavy-Duty Industrial Construction
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Screw Terminal Connections
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High Mechanical and Electrical Endurance
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Compatible with Siemens Thermal Overload Relays
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Designed for Continuous Industrial Operation
Technical Specifications
| Product Type | Heavy Duty Power Contactor |
| Auxiliary Contacts | 2NO + 2NC |
| Motor Power Rating | 110 kW @ 415V AC |
| Rated Insulation Voltage (Ui) | 1000V |
| Connection Type | Screw Terminal |
| Mechanical Life | Up to 10 Million Operations |
