Eaton DILH1400 & DILH1400/22 – Ultra Heavy-Duty AC Power Contactor
The Eaton DILH1400 is a three-pole, air-break, AC-operated power contactor from the top-tier DILH (Heavy Industrial) series. It is engineered for the most demanding applications requiring the switching of extremely high currents in industrial power distribution and large motor control.
Parameter Specification / Description
Manufacturer & Model Eaton DILH1400 or Eaton DILH1400/22
Product Line DILH Series (Ultra Heavy-Duty Industrial Contactor)
Main Circuit
Number of Poles 3-Pole
Rated Operational Current (Ie) - AC-3 Highly likely 1400 A (for starting/stopping squirrel-cage motors)
Rated Insulation Voltage (Ui) Typically 1000 V AC
Rated Operational Voltage (Ue) Up to 690 V AC or 1000 V AC
Motor Power Rating (at 400V, AC-3) Theoretical ~ 800 kW / 1070 HP (estimate based on 1400A)
Motor Power Rating (at 690V, AC-3) Theoretical ~ 1400 kW / 1880 HP (estimate based on 1400A)
Auxiliary Contacts (DILH1400/22 only) Integrated: 2 NO + 2 NC
Auxiliary Contact Rating Typically AC-15: 10 A; DC-13: 0.5 A (must verify)
Control Coil Not specified in base model. Must be ordered separately (e.g., -RA400 for 400V AC coil).
Electrical Endurance (AC-3) In the range of 100,000 to 500,000 operations (highly dependent on load)
Mechanical Endurance > 5 million operations
Mounting Fixed Panel Mounting via substantial front or base mounting hardware.
Terminal Type Large busbar or cable lug connections for main circuit. Screw terminals for auxiliary contacts and coil.
Standards & Approvals IEC/EN 60947-4-1
Dimensions & Weight Extremely large and heavy. Requires precise engineering data for installation. Example (approx.): L: >400mm, W: >300mm, H: >300mm, Weight: >50 kg.