Product Description
Contact tip stationary
Frequently Asked Questions
Q: What is the CR 084688 contact tip and what does it do?
A: The CR 084688 is a stationary contact tip used in electric lift truck motor contactors and control relays. It provides a fixed electrical contact point that the moving (armature) contact strikes to complete or break motor control circuits on Crown electric pallet jacks.
Q: Which Crown lift truck components use the CR 084688 contact tip?
A: The CR 084688 stationary contact tip is found in main power contactors, auxiliary control relays, and motor reversing circuits on Crown electric pallet jacks and electric lift trucks with EV1 control systems.
Q: What material is the CR 084688 contact tip made from?
A: The CR 084688 contact tip is typically fabricated from silver-cadmium alloy or similar high-conductivity material that resists electrical arcing and welding. This material choice ensures reliable electrical contact through thousands of switching cycles.
Q: What causes contact tips to wear and how often do they require replacement?
A: Contact tips erode from electrical arcing each time the contactor switches. Under normal use, the CR 084688 lasts 3000 to 5000 switching cycles before erosion degrades electrical contact quality. High current loads, moisture, and contamination accelerate wear.
Q: What are symptoms of worn CR 084688 contact tips?
A: Symptoms include intermittent motor operation, loss of lift or travel power, sluggish equipment response, or arcing noise from the contactor. If the contactor fails to energize or chatters during operation, the contact tips are likely worn and require replacement.