Product Description
Contact
Frequently Asked Questions
Q: What equipment is the YL 520372802 contact assembly compatible with?
A: The YL 520372802 contact assembly is designed for Yale electric lift trucks and compatible with select 36V and 48V DC traction motor applications. Verify your equipment voltage and motor model against the part specification sheet before ordering to ensure fitment.
Q: What is the material composition of the YL 520372802?
A: This contact assembly is manufactured from copper alloy and engineered for high-cycle electrical switching in DC motor circuits. The design provides consistent contact resistance and minimal arcing under standard operational load.
Q: How do I know if the YL 520372802 contact needs replacement?
A: Replace the contact assembly if you observe intermittent motor operation, resistance to acceleration, or audible arcing sounds from the motor controller. Worn or corroded contacts result in voltage drop and reduced motor performance.
Q: What is the expected lifespan of this contact assembly?
A: Under normal duty cycles, the YL 520372802 typically lasts 3 to 5 years. Lifespan varies based on operational frequency, load cycles, and environmental conditions such as humidity or temperature extremes in cold storage or wet environments.
Q: Are there cross-reference part numbers for the YL 520372802?
A: This is a Yale OEM part. Cross-references may exist with equivalent contacts from Raymond, Crown, or Toyota lift trucks of similar voltage class, but always verify dimension and electrical specifications match your equipment before substitution.