Product Description
Yale interface board (SKU: YL 524144375-C) for electric lift trucks; supports 24VDC systems, provides optically isolated control circuits, features robust FR4 PCB material and conformal coating for industrial reliability. Board includes multi-pin header, logic-level signaling, and on-board fuse protection.
Specifications
Electrical Specifications
| Input Voltage | 24VDC nominal |
| Control Signal | 5VDC logic level |
| Fuse Rating (on-board protection) | 3A, fast-acting |
| Circuit Isolation | Optically-isolated input/output channels |
Material & Construction
| PCB Material | FR4 glass-reinforced epoxy laminate |
| Conformal Coating | Acrylic, 25—50 µm thickness |
Part Numbers
| OEM Part Number | YL 524144375-C |
| Manufacturer Part Number | 524144375-C |
Performance Specifications
| Duty Cycle | Continuous operation, S1 duty |
| Service Life | Greater than 1 million switching cycles |
Frequently Asked Questions
Q: What is the YL 524144375-C and what function does it serve?
A: The YL 524144375-C is an interface board (control circuit board) for Yale electric lift trucks. It supports 24VDC systems and provides optically isolated control circuits to manage lift truck functions. The board includes on-board fuse protection and logic-level signaling for industrial reliability.
Q: What input voltage and control signal specifications does this board support?
A: The board operates on 24VDC nominal input voltage. Control signals are 5VDC logic level. The 3A fast-acting fuse provides on-board protection against overcurrent. These specifications are standard for industrial lift truck control systems.
Q: What is optical isolation and why does it matter?
A: Optical isolation uses light-coupled circuits to electrically separate input and output channels. This prevents electrical noise, voltage spikes, and ground loop issues from disrupting control signals. Optical isolation is critical in industrial equipment where motors and solenoids generate electrical noise.
Q: What PCB material is used in this board?
A: The board uses FR4 glass-reinforced epoxy laminate. FR4 is the industry standard for industrial control boards because it offers excellent electrical insulation, durability, and resistance to moisture and thermal stress. The board also features conformal coating for additional environmental protection.
Q: What does the 3A fast-acting fuse protect against?
A: The on-board 3A fast-acting fuse protects against overcurrent conditions that could damage the board or connected circuits. Fast-acting fuses respond quickly to surges, whereas slow-acting fuses allow brief inrush currents. Verify that your system load does not exceed 3A nominal, or this fuse will trip.
Q: Is this board compatible with other lift truck brands?
A: This is a Yale OEM interface board engineered for Yale electric lift trucks. Other brands manufacture their own control boards with different pinouts, voltage requirements, and logic specifications. This board is not cross-compatible with Crown, Raymond, Toyota, Jungheinrich, or other brands. Use only with Yale equipment designed to accept this part number.