Description
Technical Specifications
- Product Model: GE CK11CE300
- Brand: GE (General Electric)
- Warranty: One Year
- Input Voltage: 250 / 500 VAC coil options (varies by configuration)
- Operating Temperature: -40°C to +70°C
- Storage Temperature: -40°C to +85°C
- Response Time: Electromagnetic switching response typically <20 ms
- Protection Class: IP20 (panel-mounted installation)
- Accuracy Class: Industrial switching reliability for power circuits
- Output Frequency: 50–60 Hz switching capability
- Rated Current Range: Up to 600 A
- Communication Interface: Electromagnetic contact switching (no digital communication)
- Supported Protocols: Not applicable (electromechanical device)
- Overload Capacity: Designed for high inrush motor loads and inductive switching
- Dimensions: Approx. 200 mm × 160 mm × 120 mm (varies by mounting configuration)
Product Overview
The GE CK11CE300 is a heavy-duty AC contactor designed for controlling high-power electrical circuits in industrial automation and power distribution systems. Manufactured by GE, this component belongs to the CK11 series of contactors used in motor control centers, power switching cabinets, and industrial equipment control panels.
In industrial environments, reliable switching of high-current loads is essential for safe operation of motors, pumps, compressors, and large electrical equipment. This contactor uses an electromagnetic mechanism to open or close the main contacts, allowing operators or control systems to safely control the power supply to heavy-duty loads. With a rated current capacity up to 600 A and a 3-pole configuration, the device is well suited for three-phase industrial power systems.
The design incorporates alloy contacts and arc-suppression mechanisms to reduce electrical wear and ensure long service life. Because of its high current capacity and rugged construction, this GE contactor is widely installed in manufacturing plants, power generation facilities, and large industrial automation systems where dependable motor control and circuit protection are critical.
Key Functions
High-Current Power Switching
The contactor is capable of switching currents up to 600 A, enabling safe control of large motors, pumps, and industrial loads. Its heavy-duty contacts maintain stable electrical conductivity even during repeated switching cycles.
Three-Phase Motor Control
The 3-pole design allows direct control of three-phase AC circuits commonly used in industrial machinery. This configuration ensures balanced power distribution and reliable motor operation in production equipment.
Arc Suppression and Contact Protection
An integrated arc-quenching structure reduces electrical arcing during switching operations. This protects the contacts from excessive wear and extends the service life of the device.
Modular Industrial Design
The contactor supports optional auxiliary contacts, delay modules, and surge suppressors. This modular approach allows system integrators to adapt the device for complex control circuits or safety interlock systems.
Application Scenarios
Industrial Motor Control Centers (MCC)
In motor control cabinets, the contactor is used to start and stop high-power motors driving conveyors, compressors, or ventilation systems. Its high current rating allows it to handle large mechanical loads reliably.
Pump and Water Treatment Systems
Water treatment facilities often rely on large pumps for fluid transport. This contactor manages the switching of pump motors and ensures stable operation in continuous duty cycles.
Power Distribution Panels
Industrial electrical panels use heavy-duty contactors to control power flow to transformers, capacitor banks, and heating equipment. The device acts as a critical switching element within these systems.
Mining and Heavy Manufacturing Equipment
In harsh environments such as mining or steel production, equipment requires robust electrical components capable of handling vibration and high loads. The contactor’s rugged construction allows it to operate reliably under these conditions.
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