AC Contactor
AC contactors are used to switch electrical circuits on and off. They are commonly used for remotely controlling electrical motors, lighting, and heating systems.
Technical Specifications
Product Overview
High-Performance 3TF AC Contactor
The 3TF series AC contactor is a versatile solution designed for frequency 50/60Hz and rated insulation voltages up to 1000V. It is primarily used for long-distance circuit making and breaking, as well as frequent starting and stopping of magnetic motor starters when paired with a thermal relay. Conforming to IEC60947-4-1 standards, this contactor ensures reliable performance in demanding industrial environments.
Key Performance Metrics
Key Performance Metrics
1,000 V
Max Insulation Voltage
475 A
Max Operating Current
10 X10^6
Mechanical Endurance
Technical Specifications
Standards Compliance
IEC60947-4-1VDE 0660GB 14048JB 2455
- Rated Insulation Voltage (Ui)
- 660 V
- Frequency
- 50Hz60Hz
Model Comparison
Model Performance Data
| Type | Thermal Current (Ith) | AC-3 Current (Ie) | Mech. Endurance |
|---|---|---|---|
| 3TF-9/12 | 20A | 9/12A | 10x10^6 |
| 3TF-16/22 | 30A | 16/22A | 10x10^6 |
| 3TF-32 | 45A | 32A | 10x10^6 |
| 3TF-45/63 | 80A | 45/63A | 8x10^6 |
| 3TF-75/85 | 100A | 75/85A | 8x10^6 |
Design Features
Key Advantages
- Compact and modular design
- Overload protection capabilities
- High-quality material construction
- Secure terminal block with double wire disconnect
- Suitable for frequent switching operations
- Auxiliary Contacts
- 2NO + 2NC (2 Normally Open + 2 Normally Closed)
Applications
Typical Applications
- Motor control and starting
- Distribution boxes
- Telecommunications rooms
- Elevator control systems
- Hospital medical equipment
- Industrial automation centers
