Product Description
Komatsu KO 3WB-47-A1530 is a 150A, 24VDC EV100 series DC contactor designed for electric lift truck control systems. The unit features SPNO auxiliary contacts, 0.500 inch tips, and copper alloy contact construction for heavy-duty DC applications. Fully interchangeable with GE EV100 assemblies and compatible with Komatsu OEM equipment. Key cross-reference equivalents: LP 375-7100-GE, MT 9712402600, MT 97C5701100, PM 7692-00.
Specifications
Dimensional Specifications
| Mounting Hole Pattern | 2.0 inch center-to-center, slotted holes for 1/4 inch hardware |
Electrical
| Continuous Current Rating | 150 amperes (A) nominal, DC service |
| Rated Voltage | 24VDC coil |
| Contact Tip Dimension | 0.500 inch contact tips |
| Pick-up Voltage | 18VDC minimum, 24VDC nominal |
| Drop-out Voltage | 12VDC maximum |
Material & Construction
| Base Material | Phenolic resin insulated base |
Part Numbers
| OEM Part Number | KO 3WB-47-A1530 |
| Cross-Reference Part Numbers | LP 375-7100-GE; MT 9712402600; MT 97C5701100; PM 7692-00 |
| Supersedes/Replaces | Supersedes Komatsu 3WB-47-A1540 (variant 150A, 24V EV100) |
Performance Specifications
| Mechanical Endurance | Minimum 500,000 operating cycles at rated load |
| Electrical Life | Minimum 20,000 cycles at full rated current |
Frequently Asked Questions
Q: What are the electrical specifications of the KO 3WB-47-A1530?
A: The KO 3WB-47-A1530 is rated for 150 amperes continuous DC service with a 24VDC coil. It features SPNO auxiliary contacts, 0.500 inch copper alloy tips, and is designed for heavy-duty electric lift truck control applications.
Q: What are the cross-reference part numbers for the KO 3WB-47-A1530?
A: Cross-reference equivalents include LP 375-7100-GE, MT 9712402600, MT 97C5701100, and PM 7692-00. The KO 3WB-47-A1530 is fully interchangeable with GE EV100 series assemblies.
Q: Does the KO 3WB-47-A1530 supersede any previous part numbers?
A: Yes, the KO 3WB-47-A1530 supersedes the Komatsu 3WB-47-A1540 variant. Verify your equipment to confirm compatibility with the newer part before ordering.
Q: What contact materials does this contactor use?
A: The KO 3WB-47-A1530 features copper alloy contact construction rated for 150A DC service. Copper alloy contacts provide excellent conductivity and wear resistance in continuous duty applications.
Q: Is the KO 3WB-47-A1530 compatible with Crown, Toyota, or Raymond equipment?
A: The KO 3WB-47-A1530 is an OEM Komatsu part. While it may fit some other 24VDC EV100 systems from manufacturers like Crown, Toyota, or Raymond, confirm your equipment model and electrical specifications before ordering.