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GE CK11CE311J

  • Product Name:​ GE/A BB CK11CE311J 3‑Pole Open Contactor
  • Product Description:​ A high‑capacity, 3‑pole open contactor for switching large motors and non‑inductive loads. Features electronic module suitable for AC (50/60 Hz) and DC control circuits.
  • Technical Specifications:
    • Brand: GE (Manufacturer: ABB)
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Detailed content

    • Model: CK11CE311J
    • Item Name: Contactor
    • Series/Model: CK Series
    • Number of Poles: 3
    • Control Voltage: 110‑127 VAC (50/60 Hz) or 110‑127 VDC with electronic module
    • Rated Current: 700 A (AC1 non‑inductive load)
    • AC3 Motor Rating:
      • 160 kW @ 220/230 V
      • 280 kW @ 380/400 V
      • 315 kW @ 415 V
      • 315 kW @ 440 V
      • 400 kW @ 500 V
    • HP Rating (AC3):
      • 220 hp @ 220/230 V
      • 380 hp @ 380/400 V
      • 425 hp @ 415/440 V
      • 425 hp @ 440 V
      • 540 hp @ 500 V
    • Auxiliary Contacts: 1 NO + 1 NC
    • Control Circuit: Up to 690 VAC / 500 VDC
    • Power Circuit: Up to 1000 VAC
    • Protection Degree: IP00 (open type)
    • Operating Temperature: ‑40°C to +60°C
    • Standards/Certifications: ASE 1025, BS 5424, 775, Bureau Veritas, CE, CENELEC HD 419, CCC, CSA 22.2/14, EN 50005, cULus Listed, IEC/EN 60947‑1, 60947‑4‑1, 60947‑5‑1, IMQ, Lloyd’s Register, NEMA ICS 1, NFC 63‑110, RINA, UL 508, UNE 20109, VDE 0660/102
  • Functional Features:
    • Electronic module enables both AC and DC control operation
    • High‑current switching capability (700 A AC1)
    • Suitable for large motor control (up to 400 kW / 540 HP)
    • Open‑type construction for panel/enclosure mounting
  • Application Scenarios:​ High‑power motor starting, industrial process control, switchgear, motor control centers (MCC), large pump/fan/compressor control.
  • Installation Requirements:
    • Install inside an appropriate enclosure (IP00 requires external protection)
    • Ensure control voltage (110‑127 VAC/DC) matches supply
    • Verify conductor sizing for 700 A power circuit
    • Mount on rigid panel; allow adequate clearance for heat dissipation
  • Usage Notes:
    • Open‑type (IP00) — must be enclosed in suitable NEMA/UL rated enclosure for safety
    • Electronic module requires proper wiring per ABB/GE documentation
    • Operating temperature range ‑40°C to +60°C; avoid exceeding limits

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