QY25K/QY50K/QY70K Crane Motherboard: HC3900 with Model-Specific SoftwareThe HC3900 serves as the official OEM replacement motherboard for QY25K/QY50K/QY70K cranes, featuring model-specific software versions pre-installed to ensure optimal compatibility. Each motherboard is calibrated to the unique hardware and control logic of its corresponding crane model, delivering:
Model-Customized Software
Pre-loaded with dedicated firmware for QY25K, QY50K, or QY70K, eliminating the need for manual programming or debugging. Ensures accurate real-time monitoring of torque, load, and speed, with overload alerts tailored to each crane’s capacity.
ISO 12480-1 Certified Performance
Meets factory safety standards via dual-redundancy systems, operating reliably in extreme conditions (-25°C to 70°C) while maintaining EMI resistance (IP67 rating).
Plug-and-Play Efficiency
Direct replacement design enables 15-minute installation—simply swap out the faulty motherboard with no software configuration required. Restores full functionality immediately, minimizing downtime for construction, mining, or logistics operations.
Dimensions: 25cm (L) ×25cm (W) ×10cm (H) | Weight: 1.5kg/unit
