Contactor for Electric Lift Trucks - Fits Yale, Crown
5051755-03
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
Contactor 5051755-03 is a 24VDC single pole, single throw (SPST) electric lift truck relay contactor, engineered for use in industrial electric lift truck control circuits. It provides 180A continuous current handling, Class B coil insulation, and is cross-referenced to CTR-24-251 and compatible part numbers. Suitable for panel mounting with molded thermoset housing, it serves as a direct OEM replacement in Liftsplus.com electric lift truck models.
Specifications
Part Numbers & Compatibility
| Make | Yale, Crown |
| Part Number | 5051755-03 |
| Cross-Reference Part Numbers | CTR-24-251, 7001647, CTR-24-239, 800076733, CTR-12-127, 8730877 |
| Supersedes Part Number | CTR-24-251 |
| Equivalent Part Number | CTR-24-239, 7001647 |
Electrical Specifications
| Coil Voltage | 24VDC |
| Nominal Voltage | 24V |
| Continuous Current Rating | 180A at 24VDC |
Additional Specifications
| Number of Poles | 1 pole |
| Frame Material | Molded thermoset, high dielectric strength |
Frequently Asked Questions
Q: Which equipment models is the 5051755-03 compatible with?
A: The 5051755-03 is designed for 24VDC electric lift truck systems from Crown, Toyota, Raymond, Yale, Hyster, and other industrial manufacturers. Verify voltage compatibility with your equipment before ordering, as improper voltage will damage the contactor and control circuit.
Q: What are the cross-reference part numbers for 5051755-03?
A: Cross-reference part numbers include CTR-24-251, 7001647, CTR-24-239, 800076733, CTR-12-127, and 8730877. Confirm the correct cross-reference for your specific equipment model and serial range before ordering.
Q: What material is the 5051755-03 made from, and how does that affect durability?
A: The 5051755-03 is constructed with durable materials designed for long-term use in industrial environments. Its construction ensures reliable performance and resistance to wear under continuous operation.
Q: How should the 5051755-03 be replaced?
A: When replacing the 5051755-03, ensure that the new contactor matches the original part number and is compatible with your equipment. Verify mounting dimensions and terminal configuration match your circuit board layout before installation.
Q: Does the 5051755-03 have silver contacts, and why does that matter?
A: Yes, the 5051755-03 features silver contacts that provide low contact resistance and reliable high-current switching. Silver contacts resist oxidation better than copper, extending contactor life in industrial duty cycles common to electric lift trucks.
Q: Can the 5051755-03 be used as a direct replacement for the CTR-24-251?
A: Yes, the 5051755-03 supersedes and directly replaces the CTR-24-251. Both units share identical 24VDC coil voltage and 180A continuous current rating. Verify mounting dimensions and terminal configuration match your circuit board layout before installation.