High-Performance Protection for Demanding Applications
SINOFUSE RS309-MD series delivers reliable high-voltage protection with a 500V rating, supporting currents from 450A to 600A. Precision-engineered for durability, the fuse features high-purity silver-plated contacts and a robust ceramic body for superior heat resistance and arc suppression.
Engineered for Critical Systems
Ideal for EV chargers, energy storage systems (ESS), and solar installations, this fuse ensures safe operation under extreme loads. Its fast-acting design minimizes downtime while protecting sensitive equipment from overloads and short circuits.
Global Supply Advantage
As a leading wholesale supplier, we offer factory-direct pricing, bulk order discounts, and worldwide logistics support. Stock up on industrial-grade protection without compromising quality or budget.
Trusted by Professionals
Backed by strict compliance with international safety standards, this fuse is a go-to solution for engineers and installers prioritizing performance and cost-efficiency. Upgrade your system with confidence.