Product Description
OEM Yale YL 504450730 Fuse, 150A Pump for electric lift truck pump circuits. Direct replacement with 150A continuous current rating, ANL type, and silver-plated copper element for high inrush motor protection. Includes cross-reference part numbers YT504450730 and YT 504450730. Compatible with Yale MPB040-AC series electric pallet trucks.
Specifications
Compatibility
| Compatible Equipment | Yale MPB040-AC, Yale Electric Pallet Jack series |
Electrical
| Fuse Current Rating | 150A continuous |
| Voltage Rating | 32VDC maximum |
Material & Construction
| Housing Material | Thermoplastic |
Part Numbers
| OEM Part Number | YL 504450730 |
| Manufacturer Part Number | 504450730 |
| Cross-Reference Part Numbers | YT504450730, YT 504450730 |
| Description | Fuse, 150A Pump |
Performance Specifications
| Interrupting Rating | 2000A at 32VDC |
Frequently Asked Questions
Q: What are the specifications of the YL 504450730 fuse?
A: The YL 504450730 is a 150A pump fuse for Yale electric pallet jacks. It has a 150A continuous current rating, 32VDC maximum voltage rating, ANL type housing with thermoplastic construction, and an interrupting rating of 2000A at 32VDC. Silver-plated copper element provides high inrush motor protection.
Q: Is the YL 504450730 compatible with Yale MPB040-AC series trucks?
A: Yes. The YL 504450730 is designed for Yale MPB040-AC series electric pallet jacks. Cross reference part numbers YT504450730 and YT 504450730 are equivalent. Verify your equipment matches the MPB040-AC specification before ordering.
Q: Why does the YL 504450730 have a silver-plated copper element?
A: The silver-plated copper element is designed to handle high inrush current from electric motors during startup. Silver plating improves conductivity and heat dissipation, allowing the fuse to withstand motor starting surges without nuisance blowing. This is critical for pump motor protection on electric pallet jacks.
Q: What does the 2000A interrupting rating mean?
A: The 2000A interrupting rating indicates the maximum fault current the fuse can safely interrupt without arcing excessively or exploding. This rating ensures safe operation during short circuit events at 32VDC. The rating is matched to the electrical system design of the Yale MPB040-AC truck.
Q: When should the YL 504450730 fuse be replaced?
A: Replace the fuse immediately if it blows during operation. A blown fuse indicates either normal circuit protection or an electrical fault. Recurring fuse failures indicate a pump motor problem or circuit fault requiring diagnosis. Single fuse failures during normal operation should be replaced with an identical YL 504450730 unit.
Q: What voltage is the YL 504450730 rated for?
A: The YL 504450730 is rated for a maximum of 32VDC. This matches the 32-volt DC electrical system used in Yale MPB040-AC electric pallet jacks. Do not use this fuse in systems with different voltage ratings.