Product Description
CONTACT SET (SB350 3/0)
Frequently Asked Questions
Q: What equipment does contact set part 52868 (SB350 3/0) fit?
A: Part 52868 is an electrical contact set for SB350 series contactors used in electric pallet jacks and forklifts. It is compatible with Crown, Toyota, Raymond, Hyster, Linde, and other electric lift trucks equipped with SB350 3/0 rated motor control components.
Q: What is the voltage and amperage rating for contact set 52868?
A: Contact set 52868 is rated for SB350 3/0 applications, typically 24V or 48V DC systems with 3-pole, single-throw motor contactor configuration. Verify your lift truck battery voltage and motor contactor model before ordering to confirm compatibility.
Q: What symptoms indicate contact set 52868 needs replacement?
A: Signs include intermittent motor operation, loss of power to the pump or drive motor, pitting or discoloration on the contacts, audible chattering during engagement, or the contactor failing to hold the motor circuit. Replace if contacts weld or pit severely.
Q: How often should contact set 52868 be replaced?
A: Contact lifespan depends on duty cycle and electrical load. Under normal daily use, SB350 contacts typically last 2 to 4 years before erosion reduces contact pressure and performance. Heavy use or frequent cycling shortens service life significantly.
Q: Can contact set 52868 be cleaned instead of replaced?
A: Minor surface oxidation can be cleaned, but once contacts pit, weld, or pit severely, cleaning is ineffective. Replace the entire contact set to restore reliable motor control and prevent equipment downtime or safety issues.