Product Description
Caterpillar CT NA013889 Key Switch for electric lift trucks features ON-OFF function, panel mount, two terminals, copper alloy contacts, 24VDC rating, and is cross-compatible with Caterpillar part numbers NA10017, 1009544, 1050579, and 972202.
Specifications
Electrical
| Maximum Voltage | 24VDC |
Material & Construction
| Switch Body Material | Thermoplastic with plated steel components |
Part Numbers
| Manufacturer Part Number | CT NA013889 |
| OEM Part Number | NA013889 |
| Cross-Reference Part Numbers | NA10017, 1009544, 1050579, 972202 |
| Supersedes/Replaces Part Numbers | Supersedes NA10017 |
Frequently Asked Questions
Q: What voltage rating is the CT NA013889 key switch?
A: The CT NA013889 is rated for 24VDC operation. Do not use on higher voltage systems, as exceeding the rated voltage will damage the switch and create electrical hazards.
Q: What is the function of the CT NA013889?
A: The CT NA013889 is an ON-OFF key switch designed for panel mounting on electric lift truck control panels. It provides basic start-stop functionality with two terminals and copper alloy contacts.
Q: What materials are used in the CT NA013889 construction?
A: The CT NA013889 features a thermoplastic switch body with plated steel components and copper alloy contacts. This combination provides durability and electrical reliability in industrial lift truck environments.
Q: What Caterpillar part numbers does the CT NA013889 cross-reference?
A: The CT NA013889 cross-references to Caterpillar part numbers NA10017, 1009544, 1050579, and 972202. It supersedes NA10017. Use these numbers when searching for compatible parts from other sources.
Q: What should you check if the CT NA013889 will not turn on or off?
A: First, verify the key rotates freely without binding. Test for continuity across the two terminals in both on and off positions using a multimeter. If continuity is missing in either position, replace the switch. Check for corrosion on terminal connections.
Q: Is the CT NA013889 compatible with other lift truck brands?
A: The CT NA013889 is designed as a Caterpillar original equipment part. While cross-references exist, always verify electrical specifications and mounting compatibility with your specific lift truck model before using on other equipment.