Product Description
Caterpillar CT 1009544 Key Switch for electric lift truck applications. SKU 1009544 cross-references to part numbers 0972202, 972202, and 1050579. Industry-standard two-position rotary keyed ignition switch rated 10A at 24VDC, panel mount with spade connections. Compatible with select Caterpillar electric lift truck models.
Specifications
Dimensional Specifications
| Terminal Spacing | 0.25 inch center-to-center |
Electrical
| Voltage Rating | Rated for 24VDC system use |
| Connector Type | Spade terminal connection, 3-terminal configuration |
| Control Circuit | Low voltage control; direct-actuated |
Material
| Key Material | Nickel-plated brass |
Material & Construction
| Body Material | Thermoplastic insulated housing with steel mounting bushing |
Part Numbers
| OEM Part Number | 1009544 |
| Alternative Part Number Format | 100-9544 |
| Cross-Reference Part Numbers | 0972202, 972202, 1050579 |
| Manufacturer Reference | Caterpillar 1009544 Ignition Key Switch |
Frequently Asked Questions
Q: What is the CT 1009544 key switch and what is its function?
A: The CT 1009544 is an industry-standard two-position rotary keyed ignition switch for electric lift truck applications. It provides operator control to enable or disable the lift truck electrical system and serves as the primary power cutoff for safety and equipment control.
Q: What voltage and current rating is the CT 1009544 switch rated for?
A: The CT 1009544 is rated for 24VDC system use with a current capacity of 10 amps. This specification supports standard Caterpillar electric lift truck battery voltage and control circuit loads.
Q: What are the cross-reference and alternative part numbers for the CT 1009544?
A: The CT 1009544 cross-references to part numbers 0972202, 972202, and 1050579. These part numbers may appear in older documentation or different Caterpillar systems but reference the same switch specification. Alternative format: 100-9544.
Q: How is the CT 1009544 mounted and connected?
A: The CT 1009544 features panel-mount design with three-terminal spade terminal connections. This configuration allows integration into dashboard or control panel assemblies with standard two-position keyed switch wiring.
Q: Which Caterpillar electric lift truck models are compatible with the CT 1009544?
A: The CT 1009544 is compatible with select Caterpillar electric lift truck models. Verify your equipment model and serial number against the OEM compatibility documentation and cross-reference the alternative part numbers (0972202, 972202, 1050579, 100-9544) to confirm fitment.
Q: What materials and construction standards does this switch meet?
A: The CT 1009544 is manufactured to industrial keyed switch standards suitable for 24VDC material handling equipment. The switch provides reliable two-position operation and durable mechanical key retention for repeated daily use in warehouse and industrial environments.