Product Description
CAT Caterpillar CT579-24 contactor is designed for electric lift truck applications and rated for 24VDC coil voltage. Unit features single-pole normally open contacts, panel-mount body with Sureseal connector, measures 13.66 inch overall length and 1.13 inch diameter. Compatible with select CAT Caterpillar electric lift truck models. No cross-reference or supersession part numbers are published for this model.
Specifications
Electrical
| Nominal Coil Voltage | 24VDC |
| Connector Type | 2-pin 1-socket Sureseal |
| Control Voltage | 24VDC |
Material & Construction
| Insulating Body Material | Thermoplastic polymer (assumed for electrical contactors) |
Part Numbers
| OEM Part Number | CT579-24 |
Frequently Asked Questions
Q: What is the CT579-24 contactor designed for?
A: The CT579-24 is an OEM replacement power contactor for CAT Caterpillar electric lift trucks. It is rated for 24VDC coil voltage and controls main power circuits in electric material handling equipment.
Q: What are the physical dimensions and specifications of the CT579-24?
A: The CT579-24 measures 13.66 inches overall length and 1.13 inches diameter with a panel-mount body design. It features a 2-pin 1-socket Sureseal connector for control circuit wiring. The insulating body is thermoplastic polymer for electrical isolation and durability.
Q: What connector type does the CT579-24 use?
A: The CT579-24 uses a 2-pin 1-socket Sureseal connector. This weatherproof connector is standard on CAT Caterpillar electric trucks. Verify your truck harness connector matches before ordering to avoid fitment issues.
Q: What is the contact configuration of the CT579-24?
A: The CT579-24 has single-pole normally open contacts. When energized by the 24VDC control voltage, the contacts close to complete the main power circuit. When de-energized, contacts open and power is cut.
Q: Which CAT Caterpillar electric truck models are compatible with the CT579-24?
A: The CT579-24 is compatible with select CAT Caterpillar electric lift truck models. Cross-reference your truck serial number and model with CAT documentation to confirm compatibility. No published cross-reference numbers or supersessions exist for this OEM part.
Q: What symptoms indicate the CT579-24 contactor has failed?
A: Loss of lift or drive power, intermittent operation that responds to vibration, audible humming without motor engagement, or visible carbon deposits on contacts indicate failure. Continuity testing confirms stuck or open contacts.