Application
The OMC7 series AC Contactor is designed for use in circuits with a rated voltage up to 660V AC at 50Hz or 60Hz and a rated current up to 38A. This contactor is perfect for making, breaking, frequently starting, and controlling AC motors. It can be combined with auxiliary contact blocks, delay timers, and machine-interlocking devices to become a delay contactor, mechanical interlocking contactor, or star-delta starter. When paired with a thermal relay, it transforms into an electromagnetic starter. The OMC7 series complies with IEC60947-4, ensuring high quality and reliability.
Overview
The OMC7 series AC Contactor offers reliable performance for controlling AC motors and other electrical circuits in industrial settings. This series ensures efficient operation and long service life, making it an excellent choice for various applications.
Features
- High Rated Voltage and Current: Suitable for circuits up to 660V AC and rated current up to 38A.
- Versatile Combinations: Can be combined with auxiliary contact blocks, delay timers, and machine-interlocking devices for various configurations.
- Compliance: Meets IEC60947-4 standards for electrical safety and performance.
- Mechanical and Electrical Durability: Designed for long service life with high mechanical and electrical life ratings.
Specification
| Model | 09 | 12 | 16 | 18 | 22 | 25 | 32 | 38 | |||
| Rated working current(A) | 400(380)V | AC-3 | 9 | 12 | 16 | 16 | 22 | 25 | 32 | 38 | |
| AC-4 | 3.5 | 5 | 6.5 | 7.7 | 8 | 8.5 | 12 | 12 | |||
| 690(660)V | AC-3 | 6.6 | 8.9 | 11 | 18 | 16 | 34 | 39 | 39 | ||
| AC-4 | 1.5 | 2 | 3 | 4.4 | 4 | 9 | 12 | 12 | |||
| Ratedhea | tcurrent(A) | 20 | 20 | 25 | 40 | 40 | 60 | 80 | 80 | ||
| AC3 capacity of phase3 squirrel-cagemotor AC3(KW) | 230(220)V | 2.2 | 3 | 4 | 5 | 5.5 | 11 | 15 | 15 | ||
| 400(380)V | 4 | 5.5 | 6.5 | 11 | 10 | 18.5 | 22 | 22 | |||
| 690(660)V | 5.5 | 7.5 | 10 | 15 | 18.5 | 30 | 37 | 37 | |||
| Mechanical lifex100000 | 1200 | 1200 | 1200 | 1200 | 1200 | 600 | 600 | 600 | |||
| Electrical life x100000 | AC-3 | 100 | 100 | 100 | 100 | 80 | 80 | 60 | 60 | ||
| AC-4 | 20 | 20 | 20 | 20 | 20 | 15 | 15 | 15 | |||
| Number of the contacts | 3P+NO+NC | ||||||||||
Dimension
Applications
The OMC7 series AC Contactor is widely used in:
- Motor Control: Ensuring efficient operation and protection of motors.
- Lighting: Managing lighting circuits in industrial and commercial settings.
- Heating: Controlling heating elements in various applications.
Conclusion
The OMC7 series AC Contactor offers a reliable and versatile solution for controlling electrical circuits and motors in various industrial applications. With multiple configurations and compliance with international standards, it meets diverse operational requirements efficiently.
FAQs:
What is the rated voltage and current range of the OMC7 contactors?
The rated voltage range is up to 660V AC, and the rated current range goes up to 38A, accommodating various operational needs.
What are the typical applications of the OMC7 AC contactors?
The OMC7 AC contactors are typically used in motor control, lighting, and heating circuits in industrial settings.
How does the OMC7 series enhance safety and performance?
The OMC7 series is engineered for high performance in demanding environments and meets international standards for electrical safety and performance.
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