Description
GE CK10CE311Y-UPS AC Contactor
Product Dimensions：
The GE CK10CE311Y-UPS is a high-reliability, heavy-duty industrial contactor designed specifically for Uninterruptible Power Supply (UPS) applications and bypass systems. It belongs to GE’s trusted CK series of high-amperage contactors.
Product Detailed Description
The CK10CE311Y-UPS is an alternating current (AC) magnetic contactor engineered to switch high-power loads cleanly and reliably. In a UPS architecture, this contactor is frequently utilized as a main static switch component, isolation contactor, or maintenance bypass switch. The “UPS” suffix in the model code indicates that its coil operation, contact materials, and switching characteristics are optimized to handle the critical, rapid-transfer sequences typical of power backup systems.
Technical Parameters
| Feature | Specification |
| Product Series | GE CK Series (High Amperage) |
| Configuration | 3-Pole (3NO – Main Power Contacts) |
| Auxiliary Contacts | 1NO + 1NC (Standard configuration, expandable) |
| Rated Operational Current (I_e) | Approx. 800A to 1000A AC-1 (Thermal Rating) |
| Coil Voltage | Electronic/Universal AC/DC Coil (Commonly 110-120V or 220-240V depending on suffix variations) |
| Application Category | AC-1 (Non-inductive or slightly inductive loads, resistance furnaces) |
| Mounting | Panel mounting via heavy-duty bolts |
| Standards | IEC/EN 60947-4-1, UL, CSA |
Product Advantages
- Optimized for UPS Systems: Engineered with low-bounce main contacts and high-efficiency coils to withstand continuous current conduction without overheating.
- Electronic Coil Control: Features a wide-range electronic coil matrix that reduces power consumption during holding and prevents contact chatter during voltage dips.
- High Thermal Capacity: The robust copper busbar connections and specialized contact tips provide exceptional AC-1 thermal ratings, crucial for continuous bypass operations.
- Easy Maintenance: Visual indicators for contact wear and straightforward access to the arc chutes allow for quick routine inspections without fully dismantling the unit.
Important Considerations & Precautions
- Bypass Timing Coordination: When used in automatic bypass paths, ensure the control logic timing allows the contactor to close fully before the inverter completely disconnects to prevent critical load drops.
- Tightening Torque: Given the high current ratings, all terminal connections must be torqued precisely to the manufacturer’s specification. Loose connections will lead to catastrophic thermal runaway.
- Arc Chute Clearance: Ensure adequate electrical clearance is maintained above the arc chutes to allow safe dissipation of ionized gases during heavy load interruption.
- Coil Power Stability: Ensure the control circuit supplying the electronic coil is clean and free of excessive harmonic distortion to prevent control card errors inside the contactor assembly.
Product Applications
The CK10CE311Y-UPS is explicitly tailored for heavy industrial power infrastructure:
- Data Center UPS Units: Functioning as the input, output, or bypass switching element for large multi-megawatt UPS arrays.
- Static Transfer Switches (STS): Used in conjunction with fast-switching electronics to isolate or transfer critical power paths.
- Industrial Back-up Generators: Serving as the main distribution contactor to bring backup generator grids online safely.
- Renewable Energy Storage: Isolating high-capacity battery bank inverters from the primary industrial grid.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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