The Siemens 3TF31100AP0 is a 3-pole industrial power contactor from the Siemens 3TF series, designed for switching and controlling 3-phase AC motors and electrical loads in industrial automation systems.
It is widely used in MCC panels, motor starter circuits, pump systems, compressors, HVAC systems, and OEM machinery, where reliable motor switching is required.
This model belongs to the 3TF31 Size 00 class (~12A AC-3 duty rating), suitable for small to medium motor applications (~5.5 kW class).
• Siemens 3TF series power contactor
• Model: 3TF31100AP0
• 3-pole contactor design
• AC coil operated (typically 230V AC, 50Hz for AP0 family)
• Rated for ~12A AC-3 motor duty
• Suitable for 3-phase motor switching
• Size 00 compact industrial design
• High electrical and mechanical life
• Screw terminal connection system
• Reliable arc quenching system
• Shock and vibration resistant construction
• Compatible with thermal overload relays
• Auxiliary contact (typically 1NO depending on build)
• Designed for MCC and automation panels
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF |
| Part Number | 3TF31100AP0 |
| Product Type | Power Contactor |
| Poles | 3 Pole |
| Coil Type | AC Coil (230V AC typical for AP0 variant) |
| Rated Current | ~12A (AC-3 duty) |
| Rated Power | ~5.5 kW at 415V AC |
| Utilization Category | AC-3 (motor control) |
| Frame Size | Size 00 |
| Mounting Type | Panel / DIN rail mounting |
| Terminal Type | Screw terminals |
| Application | Motor control, power switching |
| Brand | Siemens |
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