3TF Series AC Contactor Manufacturer & Supplier
The 3TF Series AC Contactor is designed for remote circuit making and breaking, frequent motor starting, and AC motor control. As a reliable AC Contactor manufacturer and supplier, we provide OEM/ODM customization, bulk wholesale supply, and competitive factory prices for distributors, contractors, and industrial buyers.
Product Summary
- Standard: IEC/EN 60947-4-1
- Certificates: CE
- Electric ratings: AC50/60Hz, 690V, up to 95A
- Application: remote making & breaking circuits, protect circuit from over-load when assembling with thermal over-load relay, frequent start-up and control of AC motor
- Utilization category: AC-3, AC-4
- Altitude:≤2000m
- Ambient temperature: -5℃~ +40℃
- Mounting category: Ⅲ
- Mounting conditions: inclination between the mounting plane and the vertical plane should not exceed 士5°
3TF AC Contactor Series TECHNICAL DATA
| Items | Model | 3TF-93 | 3TF-12 | 3TF-16 | 3TF-22 | 3TF-32 | 3TF-38 | 3TF-45 |
|---|---|---|---|---|---|---|---|---|
| Rated conventional heating current (A) AC-1 | AC-1 | 20 | 20 | 30 | 30 | 45 | 45 | 70 |
| Rated operational current (A) 380/400V AC-3 | AC-3 | 9 | 12 | 16 | 22 | 32 | 38 | 45 |
| Rated operational current (A) 380/400V AC-4 | AC-4 | 3.3 | 4.3 | 7.7 | 8.5 | 15.6 | 18.5 | 22 |
| Rated insulation voltage (V AC) | 660 | 690 | 660 | 660 | 660 | 660 | 1000 | |
| Power of controlled 3-phase cage motor (AC-3) kW 220/230V AC | AC-3 | 2.4 | 3.3 | 4 | 6.1 | 8.5 | 11 | 15 |
| Power of controlled 3-phase cage motor (AC-3) kW 380/400V AC | AC-3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 |
| Power of controlled 3-phase cage motor (AC-3) kW 660/690V AC | AC-3 | 5.5 | 7.5 | 11 | 11 | 23 | 23 | 39 |
| Items | Model | 3TF-63 | 3TF-75 | 3TF-85 | 3TF-110 | 3TF-140 | 3TF-170 | 3TF-205 |
|---|---|---|---|---|---|---|---|---|
| Rated conventional heating current (A) AC-1 | AC-1 | 70 | 90 | 90 | 150 | 150 | 180 | 220 |
| Rated operational current (A) 380/400V AC-3 | AC-3 | 63 | 75 | 85 | 110 | 140 | 170 | 205 |
| Rated operational current (A) 380/400V AC-4 | AC-4 | 28 | 34 | 42 | 54 | 68 | 75 | 96 |
| Rated insulation voltage (V AC) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | |
| Power of controlled 3-phase cage motor (AC-3) kW 220/230V AC | AC-3 | 18.5 | 22 | 26 | 37 | 43 | 55 | 64 |
| Power of controlled 3-phase cage motor (AC-3) kW 380/400V AC | AC-3 | 30 | 37 | 45 | 55 | 75 | 90 | 110 |
| Power of controlled 3-phase cage motor (AC-3) kW 660/690V AC | AC-3 | 55 | 67 | 67 | 100 | 100 | 156 | 156 |
| Items | Model | 3TF-250 | 3TF-300 | 3TF-400 | 3TF-475 | 3TF-9 | 3TF-12 | 3TF-16 | 3TF-22 | 3TF-32 |
|---|---|---|---|---|---|---|---|---|---|---|
| Rated conventional heating current (A) AC-1 | AC-1 | 300 | 300 | 400 | 550 | 20 | 20 | 30 | 30 | 45 |
| Rated operational current (A) 380/400V AC-3 | AC-3 | 250 | 300 | 400 | 475 | 9 | 12 | 16 | 22 | 32 |
| Rated operational current (A) 380/400V AC-4 | AC-4 | 110 | 125 | 150 | 150 | 3.3 | 4.3 | 7.7 | 8.5 | 15.6 |
| Rated insulation voltage (V AC) | 1000 | 1000 | 1000 | 1000 | 660 | 660 | 660 | 660 | 660 | |
| Power of controlled 3-phase cage motor (AC-3) kW 220/230V AC | AC-3 | 78 | 93 | 125 | 144 | 2.4 | 3.3 | 4 | 6.1 | 8.5 |
| Power of controlled 3-phase cage motor (AC-3) kW 380/400V AC | AC-3 | 132 | 160 | 200 | 250 | 4 | 5.5 | 7.5 | 11 | 15 |
| Power of controlled 3-phase cage motor (AC-3) kW 660/690V AC | AC-3 | 235 | 235 | 375 | 375 | 5.5 | 7.5 | 11 | 11 | 23 |
Product Details
The 3TF Series AC Contactor is an electrical switching device used to control AC motors and power circuits remotely. It is suitable for AC 50/60Hz systems with rated voltage up to 690V and current up to 95A.
This AC Contactor is commonly used for frequent start-up and control of AC motors. When assembled with a thermal overload relay, it can help protect circuits and motors from overload conditions. It supports AC-3 and AC-4 utilization categories, making it suitable for motor control applications in industrial and commercial electrical systems.
As a professional AC Contactor factory, manufacturer, supplier, and wholesale distributor, we support bulk purchasing, OEM/ODM service, custom branding, private label, and white label supply for global B2B buyers.
Key Features
- Complies with IEC/EN 60947-4-1 standard
- CE certified for reliable electrical performance
- Rated up to 690V and 95A
- Suitable for AC motor start-up, stopping, and control
- Can be used with thermal overload relay for overload protection
- Available for wholesale, OEM/ODM, and customized supply
Product Parameters
| Parameter | Specification |
|---|---|
| Standard & Certificate | IEC/EN 60947-4-1, CE |
| Electrical Rating | AC 50/60Hz, up to 690V, up to 95A |
| Utilization Category | AC-3, AC-4 |
| Working Conditions | Altitude ≤2000m, ambient temperature -5℃ to +40℃ |
FAQ
1. What is the 3TF Series AC Contactor used for?
The 3TF Series AC Contactor is used for remote making and breaking of circuits, frequent AC motor start-up, and motor control in industrial and commercial electrical systems.
2. Can this AC Contactor be used with a thermal overload relay?
Yes. The 3TF Series AC Contactor can be assembled with a thermal overload relay to help protect motors and circuits from overload.
3. Do you offer OEM/ODM service for AC Contactors?
Yes. As an AC Contactor manufacturer and factory, we provide OEM/ODM service, custom branding, private label, and white label solutions for B2B buyers.
4. Is the 3TF Series AC Contactor available for wholesale purchase?
Yes. We supply AC Contactors at wholesale price for distributors, electrical contractors, industrial users, and bulk purchasing customers.
5. What certificates does this AC Contactor have?
The 3TF Series AC Contactor is CE certified and complies with IEC/EN 60947-4-1 standard.
What is the 3TF Series AC Contactor used for?
The 3TF Series AC Contactor is used for remote making and breaking of circuits, frequent AC motor start-up, and motor control in industrial and commercial electrical systems.
Can this AC Contactor be used with a thermal overload relay?
Yes. The 3TF Series AC Contactor can be assembled with a thermal overload relay to help protect motors and circuits from overload.
Do you offer OEM/ODM service for AC Contactors?
Yes. As an AC Contactor manufacturer and factory, we provide OEM/ODM service, custom branding, private label, and white label solutions for B2B buyers.
Is the 3TF Series AC Contactor available for wholesale purchase?
Yes. We supply AC Contactors at wholesale price for distributors, electrical contractors, industrial users, and bulk purchasing customers.
What certificates does this AC Contactor have?
The 3TF Series AC Contactor is CE certified and complies with IEC/EN 60947-4-1 standard.


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