Product Description
MICRO-SWITCH
Frequently Asked Questions
Q: What does the 1-150-321 micro-switch control on electric lift trucks?
A: This micro-switch functions as a position sensor or limit switch in the truck control circuit, typically monitoring mast position, load engagement, or hydraulic system pressure. It sends a signal to interrupt or enable power based on mechanical position or condition.
Q: Which electric lift truck brands use the 1-150-321?
A: The 1-150-321 is compatible with Crown, Toyota, Raymond, Yale, Hyster, and similar brands that use this switch designation in their electrical control systems. Check your equipment schematic or contact our technical team to verify fitment for your specific model.
Q: What are the electrical specifications for this micro-switch?
A: The 1-150-321 is rated for 80 volts DC typical operating voltage in electric lift trucks. It has normally open (NO) or normally closed (NC) configuration depending on application. Contact rating and switching capacity are listed in the part specification sheet.
Q: What failure symptoms indicate the micro-switch needs replacement?
A: Signs of failure include loss of lift function, inability to lower load, continuous motor operation, or intermittent power cuts during normal operation. If electrical diagnostics confirm the switch is not toggling properly or stuck in one position, replacement is required.
Q: Is the 1-150-321 a normally open or closed switch?
A: The 1-150-321 configuration depends on your specific truck model and application. Review your equipment wiring diagram or the original part to confirm whether you need a normally open (NO) or normally closed (NC) configuration before ordering replacement.
