Product Description
Hyster HY 370646 is a 5A blade-style fuse designed for electric lift truck circuit protection. Features include 5 amp current rating, thermoplastic housing, tin-plated copper alloy element, and compatibility with select Hyster electric lift trucks. No OEM cross-reference part numbers available.
Specifications
Electrical
| Fuse Current Rating | 5A (5 amperes) |
| Fuse Style | Blade-style connector |
Material & Construction
| Housing Material | Thermoplastic |
| Element Material | Tin-plated copper alloy |
Part Numbers
| Factory Part Number | 370646 |
| Manufacturer Part Number | HY370646 |
Compatibility
| Equipment Compatibility | Select Hyster electric pallet jacks and walkie stackers |
Frequently Asked Questions
Q: What are the specifications of the HY 370646 fuse?
A: The HY 370646 is a 5-ampere (5A) blade-style fuse with a thermoplastic housing and tin-plated copper alloy element. It is engineered for circuit protection in Hyster electric lift trucks. The blade connector design allows quick insertion and removal in standard fuse holders without tools.
Q: Which Hyster electric trucks use the HY 370646 5A fuse?
A: The HY 370646 is compatible with select Hyster electric pallet jacks and walkie stackers. Confirm your truck model and electrical system documentation to verify this fuse is correct for your equipment. Installing an incorrect amperage fuse can result in circuit damage or fire hazard.
Q: Can I replace the HY 370646 fuse with a different amperage rating?
A: No. The 5A rating is matched to the circuit it protects. Using a fuse with higher amperage bypasses circuit protection and risks electrical fires or component damage. Using a lower amperage fuse causes the circuit to trip unnecessarily and prevents the truck from operating. Always replace with an exact 5A fuse.
Q: What causes the HY 370646 fuse to blow repeatedly?
A: A fuse that blows repeatedly indicates a short circuit, overload condition, or failing component in the protected circuit. Do not keep replacing the fuse; instead, identify the underlying electrical fault. Common causes include corroded connectors, damaged wiring, or a failing motor or solenoid. Contact us or consult the truck manual if fuses continue to blow.
Q: How do I know if the HY 370646 fuse has failed?
A: A blown fuse displays a broken or discolored element when you remove it from the holder. Electrical functions controlled by that fuse (lights, motor, solenoid, etc.) will not operate. If a circuit stops working without visible damage, remove and inspect the fuse visually. Replace any fuse with a broken or dark element.