GE CK75CA300 AC380V Contactor: Complete Technical Guide for Industrial Automation
GE CK75CA300 AC380V Contactor: Industrial Power Control Solution
Professional-grade 3-pole contactor for heavy-duty industrial applications
Product Overview
The GE CK75CA300 is a high-performance AC380V contactor designed for demanding industrial automation applications. This 3-pole contactor from General Electric's renowned CK series offers reliable power switching capabilities for motor control, lighting systems, and industrial equipment. With a current rating of 150-156 amps and voltage compatibility up to 690VAC, this contactor provides robust performance in various industrial environments.
For detailed specifications and purchasing options, visit our official product page: GE CK75CA300 AC380V Contactor.
Product Images and Video Demonstration
Product Demonstration Video
Watch the GE CK75CA300 in operation and installation demonstration
Technical Specifications
| Parameter | Specification | Details |
|---|---|---|
| Product Model | CK75CA300 | General Electric Series CK |
| Poles | 3 Poles | 3-phase configuration |
| Rated Current | 150-156 AMPS | Continuous operation rating |
| Voltage Rating | Up to 690VAC | Maximum operating voltage |
| Control Voltage | AC380V | Primary control circuit voltage |
| Horsepower Rating | 60 HP @ 220-230VAC 100 HP @ 380-440VAC 108 HP @ 415-440VAC | Motor control capacity |
| Power Rating | 45KW @ 220/230V 75KW @ 380/400V 80KW @ 415V/440V | Electrical power handling |
| Enclosure Type | Open Enclosure | For panel mounting |
| Control Circuit | Alternating Current | Up to 690V, DC compatible |
| Application | Motor Control, Industrial Equipment | Heavy-duty industrial use |
For complete technical documentation and purchasing information, visit: GE CK75CA300 Product Page.
Key Features and Benefits
Advanced Design and Construction
The GE CK75CA300 features a robust open enclosure design optimized for industrial panel mounting. The contactor utilizes high-quality silver-cadmium oxide contacts that ensure reliable switching performance and extended service life, even under frequent operation cycles.
Versatile Voltage Compatibility
With voltage compatibility ranging from 220VAC to 690VAC, this contactor supports multiple international voltage standards, making it suitable for global industrial applications. The AC380V control voltage is particularly well-suited for European and Asian industrial power systems.
High Power Handling Capacity
The contactor's 150-156 amp rating and horsepower capacity of up to 108 HP make it ideal for controlling large industrial motors, pumps, compressors, and other heavy machinery. The 3-pole design ensures balanced three-phase power distribution.
Reliable Performance
Engineered for demanding industrial environments, the CK75CA300 offers excellent electrical endurance, mechanical durability, and thermal stability. The contactor is designed to withstand voltage fluctuations and transient conditions common in industrial settings.
Industrial Applications
- Motor Control Centers (MCCs): Primary switching device for industrial motor control
- Industrial Automation Systems: Integration with PLC systems for automated control
- HVAC Systems: Control of large commercial and industrial HVAC equipment
- Pump and Compressor Control: Heavy-duty fluid handling systems
- Industrial Lighting: Control of high-power lighting systems
- Material Handling Equipment: Conveyor systems, cranes, and hoists
- Manufacturing Equipment: Machine tools, presses, and production machinery
Explore our comprehensive selection of industrial contactors at: Koeed Industrial Automation Products.
Frequently Asked Questions (FAQ)
The GE CK75CA300 is primarily designed for heavy-duty industrial motor control applications, including three-phase motor starting, stopping, and reversing operations. It's commonly used in motor control centers, industrial automation systems, and power distribution panels.
The CK75CA300 is compatible with multiple voltage systems: 220-230VAC, 380-440VAC, and 415-440VAC. It can handle up to 690VAC maximum operating voltage, making it suitable for various international industrial power standards.
Open enclosure contactors like the CK75CA300 are designed for mounting inside protective enclosures or control panels. They provide better heat dissipation and easier maintenance access compared to fully enclosed contactors, which have their own protective housing.
Yes, the CK75CA300 can operate with both AC and DC control circuits. The control circuit is rated for alternating current up to 690V and direct current applications, providing flexibility in control system design.
Regular maintenance includes visual inspection for signs of arcing or overheating, checking contact condition, verifying proper coil operation, and ensuring tight electrical connections. The contactor should be operated within its specified ratings for optimal performance and longevity.
While designed for reliable operation, the CK75CA300 is optimized for industrial applications with moderate switching frequency. For extremely high-frequency switching applications, consult the manufacturer's specifications or consider contactors specifically designed for such duty cycles.
Installation and Safety Considerations
Proper Installation Guidelines
When installing the GE CK75CA300 contactor, ensure proper mounting on a flat, vibration-resistant surface using appropriate fasteners. Maintain adequate clearance for heat dissipation and follow the wiring diagram provided with the unit. Use properly sized conductors and ensure all connections are tight and secure.
Safety Precautions
- Always disconnect power before installation or maintenance
- Use appropriate personal protective equipment (PPE)
- Follow local electrical codes and regulations
- Install proper overload protection devices
- Ensure adequate ventilation for heat dissipation
- Regularly inspect for signs of wear or damage
Compatibility with Control Systems
The CK75CA300 can be integrated with various control systems including PLCs, relays, and manual controls. Ensure the control voltage matches the contactor coil rating (AC380V) and use appropriate interposing relays if necessary for compatibility with lower voltage control systems.
Industry Standards and Certifications
The GE CK75CA300 contactor is manufactured to meet international industrial standards for electrical performance, safety, and reliability. While specific certification marks may vary, General Electric products typically comply with relevant standards including:
- IEC 60947-4-1: Low-voltage switchgear and controlgear
- UL 508: Industrial control equipment
- CE marking for European market compliance
- RoHS compliance for environmental standards
For detailed certification information and technical support, contact our engineering team or visit: GE CK75CA300 Technical Support.
Purchase and Support Information
The GE CK75CA300 AC380V contactor is available through authorized distributors and our online store. Each unit comes with comprehensive documentation including installation instructions, wiring diagrams, and technical specifications.
For pricing, availability, and to place your order, visit our official product page: Purchase GE CK75CA300 Contactor
Our technical support team is available to assist with product selection, installation guidance, and application-specific questions. Contact us for bulk pricing, custom configurations, or integration support for your industrial automation projects.
External References and Industry Resources
For additional technical information and industry validation, refer to these authoritative sources:
- General Electric Industrial Solutions: Official manufacturer specifications and technical data
- IEC Standards: International Electrotechnical Commission standards for industrial control equipment
- IEEE Industrial Applications Society: Technical papers and application guidelines
- NFPA 70 (National Electrical Code): Electrical installation standards and requirements
- Industrial Automation Directories: Comprehensive listings of industrial control components
These resources provide additional context for proper selection, installation, and maintenance of industrial contactors in various applications.
