Product Description
Contact
Frequently Asked Questions
Q: What is the CT 9712309200 contact and what is its purpose?
A: The CT 9712309200 is an electrical contact assembly used in Caterpillar electric lift truck contactors and motor starters. Contacts carry current between electrical components and wear over time due to arcing and thermal cycling during motor switching operations.
Q: What equipment uses the CT 9712309200 contact?
A: This contact is found in Caterpillar electric pallet jacks, stackers, and ride-on lift trucks. It functions in traction motor contactors, directional controls, and battery disconnect circuits. Confirm your equipment model to ensure compatibility.
Q: What material is the CT 9712309200 contact made from?
A: Industrial lift truck contacts typically use silver-alloy composition to minimize arcing loss and extend contact life. The contact tip is mechanically joined to a copper carrier for current conductivity. Material selection ensures reliable performance across the operating voltage range.
Q: When do contacts need replacement?
A: Contact replacement is needed when equipment exhibits sluggish motor response, intermittent drive function, grinding relay sounds, or visible contact pitting. Excessive arcing causes contact material erosion. If contactor chatter occurs during directional changes, contacts may be severely worn.
Q: How long do contacts typically last before replacement is needed?
A: Contact life ranges from 3 to 6 years depending on switching frequency, load current, and environmental conditions. Equipment used in frequent acceleration or directional cycling wears contacts faster. Moisture exposure and high ambient temperatures also reduce contact lifespan.