Technical Support

BeiLuo provides comprehensive technical support for Sinofuse high-voltage DC fuse products: 1) Direct FAE support - Contact our field application engineers for fuse selection and protection system design; 2) Technical documentation - Access datasheets, application notes, and selection guides; 3) Email support - Submit technical questions with 24-hour response time; 4) Phone support - Speak directly with technical staff for urgent issues; 5) On-site support - Available for large EV, BESS, or solar projects. Our FAE team specializes in high-voltage DC protection for new energy applications.

For general questions, start with our technical documentation. For fuse selection or system design, contact our FAE team directly.

BeiLuo provides extensive technical resources: 1) Datasheets - Complete electrical specifications including time-current curves; 2) Application notes - Detailed guidance for EV, BESS, and solar applications; 3) Selection guides - Tools to select the right fuse for your application; 4) Safety certifications - UL, IEC, and automotive certificates; 5) Coordination guidelines - Protection system design recommendations; 6) Installation guides - Proper mounting and torque specifications; 7) Troubleshooting guides - Common issues and solutions. All resources are available for download or upon request.

Browse our technical library for application-specific resources. Contact our FAE for resources not available online.

Sample requests for Sinofuse products can be submitted through: 1) Online sample request form; 2) Email to sales@litong.com with company information and application details; 3) Contact your local BeiLuo sales representative. Sample requests should include: Company name and address, Contact information, Application description (EV, BESS, solar, etc.), Required part numbers and quantities, Project timeline and estimated volume. Standard samples ship within 3-5 business days. Engineering samples are typically provided free for qualified customers.

Submit sample requests through our online form for fastest processing. Include detailed application information.

Yes, BeiLuo provides comprehensive fuse selection assistance: 1) System analysis - Reviewing your EV, BESS, or solar system requirements; 2) Current rating calculation - Determining correct rating based on load current and safety margins; 3) Breaking capacity verification - Ensuring selected fuses can safely interrupt fault currents; 4) Coordination studies - Analysis with contactors, breakers, and other protection devices; 5) Compliance guidance - Assistance with UL, IEC, and automotive requirements. Contact our FAE team with your system specifications for personalized selection assistance.

Contact our FAE team early in your design phase for optimal fuse selection. Provide system specifications for best recommendations.