CK10CE311Y-UPS GE Fanuc

CK10CE311Y-UPS GE Fanuc Input module

Brand：General Electric Model number：CK10CE311Y-UPS

Country of origin: U.S. Product weight：0.55kg

HS code：8517623990

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The CK10CE311Y-UPS is a member of GE's premium CK series of block contactors. It features a three-pole design engineered to switch heavy AC electrical loads safely. The "UPS" suffix in the designation typically signifies a specialized configuration or factory testing standard tailored for integration into uninterruptible power supply topologies, where the contactor must handle rapid switching transitions, high continuous currents, and maintain minimal contact resistance over millions of cycles. The unit utilizes a modern electronic or conventional AC/DC coil mechanism that ensures positive, chatter-free closure even during system voltage sags.

Product Parameters

Product Series: GE SIRIUS / CK Block Contactor Series
Number of Poles: 3 Normally Open (3NO) main power poles
Coil Voltage: Configured with a highly adaptable control coil, typically rated for $110-120 \text{ VAC}$ or universal AC/DC operation depending on the specific sub-variant execution
Continuous Current Rating (AC-1): Designed for high-amperage non-inductive or slightly inductive loads, typically ranging between $150 \text{ A}$ and $250 \text{ A}$ depending on the frame size allocation
Motor Power Rating (AC-3): Capable of direct-on-line switching of standard three-phase industrial motors up to a specified kilowatt or horsepower range
Insulation Voltage: Rated for standard $600 \text{ VAC}$ to $1000 \text{ VAC}$ industrial insulation barriers
Auxiliary Contacts: Equipped with integrated auxiliary contact blocks (commonly 1NO + 1NC or 2NO + 2NC) for status feedback to upstream PLCs or safety circuits
Standards and Certifications: Fully compliant with IEC 60947, UL listing, and CSA certification standards for industrial control equipment

Product Advantages

A major operational benefit of the CK10CE311Y-UPS is its Exceptional Contact Material Composition. The contact tips are manufactured from a high-grade silver alloy that resists welding and pitting, ensuring long-term electrical conductivity during repeated high-current switching events. The Advanced Arc Chute Design quickly extinguishes electrical arcs generated during opening cycles, which minimizes thermal stress on the housing and extends the overall lifespan of the device.

Additionally, its High Mechanical and Electrical Endurance means it can withstand thousands of operations per hour, making it perfect for dynamic automation environments. The inclusion of the specialized UPS Integration Optimization guarantees that the coil power consumption is minimized during sustained holding states, reducing heat generation inside enclosed power cabinets.

Important Considerations and Precautions

When installing or servicing the GE CK10CE311Y-UPS, technicians must adhere strictly to Torque Specifications for Power Terminals. Due to the high current flowing through the main poles, loose connections will lead to localized overheating, terminal degradation, and eventual fire hazards. It is vital to ensure that the Control Coil Supply matches the voltage stamped on the coil module exactly; undervoltage can cause the contactor to "chatter," which rapidly destroys the main contacts, while overvoltage will burn out the coil encapsulation.

During maintenance, Phase Barrier Insulators must always be correctly positioned between the main terminals to prevent phase-to-phase short circuits caused by ionized air during heavy arc interruption. Finally, because this contactor is often used in UPS Bypass or Backup Systems, ensure all auxiliary feedback loops are correctly mapped to your control logic to prevent parallel-source backfeeding, which can destroy sensitive upstream inverter electronics.

Product Applications

The GE CK10CE311Y-UPS is commonly deployed in infrastructure-critical sectors where power discontinuity is not an option.

Data Center UPS Systems: Serving as the main isolation or static bypass contactor to switch power sources seamlessly between utility grid lines and battery inverters.
Large Motor Control Centers (MCC): Providing reliable across-the-line starting for heavy industrial pumps, compressors, and ventilation fans.
Automatic Transfer Switches (ATS): Integrated into dual-source power transfer panels to switch critical building loads over to emergency diesel generators during main grid failures.
Renewable Energy Sub-stations: Managing the connection and disconnection of solar inverter arrays or wind turbine outputs to local distribution transformers.
HVAC Chiller Units: Controlling the high-capacity compressors in industrial-grade refrigeration and centralized climate control systems.

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