The Siemens 3TF47720AB0 is a heavy-duty 3-pole power contactor from the proven 3TF SICOP series, designed for switching and controlling three-phase motors and industrial loads in demanding applications.
This model features a 24V AC control coil (AB0 variant) and is rated for 70A AC-3 duty. It comes with 2NO + 2NC built-in auxiliary contacts, making it suitable for motor starters, MCC panels, pumps, compressors, HVAC systems, conveyors, and industrial automation systems.
• Siemens 3TF SICOP Series
• Model: 3TF47720AB0
• Heavy-duty power contactor
• 3-pole design (3NO main contacts)
• 24V AC control coil (AB0)
• Built-in 2NO + 2NC auxiliary contacts
• Rated current: 70A AC-3
• Suitable for heavy industrial motor applications
• Size S3 frame construction
• Screw terminal connections
• High electrical and mechanical endurance
• Reliable switching performance
• Compatible with Siemens overload relays
• Industrial-grade construction for continuous-duty applications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF SICOP |
| Part Number | 3TF47720AB0 |
| Product Type | Heavy Duty Power Contactor |
| Number of Poles | 3 Pole |
| Main Contacts | 3NO |
| Coil Type | AC Coil |
| Coil Voltage | 24V AC |
| Frequency | 50/60 Hz |
| Rated Current (AC-3) | 70A |
| Auxiliary Contacts | 2NO + 2NC |
| Frame Size | S3 |
| Mounting Type | Panel Mount |
| Connection Type | Screw Terminal |
| Utilization Category | AC-3 |
| Protection Class | IP20 |
| Duty | AC-3 Duty |
| Standard | IEC 60947-4-1 |
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