Technical Specifications
Product Overview
3TF Series AC Contactor Overview
The 3TF series AC contactors are designed for reliable motor control and power switching in industrial applications. This versatile range supports rated thermal currents from 20A up to 630A, making it suitable for a wide variety of motor power requirements. With multiple auxiliary contact configurations and robust performance at both 380V and 660V, these contactors ensure efficient operation for AC-3 and AC-4 duty cycles.
Performance Metrics
Rated Thermal Current Range
20 A
Minimum Current
630 A
Maximum Current
- Operational Voltage Support
- 380V660V
Auxiliary Contacts
Available Auxiliary Contact Types
- NO
- NC
- 1NO+1NC
- 2NO+2NC
- 2NC+2NO
- 4NC+4NO
Technical Specifications
Model Performance Data
| Model Type | Thermal Current (A) | AC-3 Power 380V (kW) | AC-4 Power 380V (kW) |
|---|---|---|---|
| 3TF40 | 20 | 4 | 1.4 |
| 3TF44 | 55 | 15 | 7.5 |
| 3TF50 | 160 | 55 | 27 |
| 3TF56 | 400 | 200 | 81 |
| 3TF68 | 630 | 335 | 160 |
Utilization Categories
AC-3AC-4
