CAT Caterpillar Contactor for Electric Lift Trucks
CT579-24
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Compatibility
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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
Part Numbers & Compatibility
| Make | Caterpillar |
| Part Number | CT579-24 |
| Compatibility | Compatible with select CAT Caterpillar electric lift truck models |
| Cross Reference | No cross-reference or supersession part numbers are published for this model |
Electrical Specifications
| Nominal Coil Voltage | 24VDC |
| Connector Type | 2-pin 1-socket Sureseal |
| Control Voltage | 24VDC |
Wheel Dimensions
| Overall Length | 13.66 inch |
| Diameter | 1.13 inch |
Additional Specifications
| Insulating Body Material | Thermoplastic polymer (assumed for electrical contactors) |
| Contact Type | Single-pole normally open |
| Mounting Type | Panel-mount |
Frequently Asked Questions
Q: What is the CT579-24 contactor designed for?
A: The CT579-24 is a replacement power contactor for Caterpillar electric lift trucks. It controls main power circuits in electric material handling equipment.
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 Caterpillar electric trucks. Verify your truck harness connector matches before ordering to avoid fitment issues.
Q: Which Caterpillar electric truck models are compatible with the CT579-24?
A: The CT579-24 is compatible with select Caterpillar electric lift truck models. Cross-reference your truck serial number and model with Caterpillar documentation to confirm compatibility.
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.
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: What material is the CT579-24 contactor made from?
A: The CT579-24 features an insulating body made from thermoplastic polymer for electrical isolation and durability.
Q: How do I know if I need to replace the CT579-24 contactor?
A: If you experience issues such as loss of power, intermittent operation, or visible damage to contacts, it may be necessary to replace the CT579-24 contactor.