J REP / Littelfuse https://www.j-rep.com Japan exhibitors Real TECHNO-FRONTIER 2026 POWER ELECTRONICS JAPAN Booth number 1-L29 Exhibit Product POWER-SPEED® Fuse Target Sector (English) BESS – Battery Protection Unit (BPU) Battery rack Power conversion system DC common bus system Hybrid PV-BESS inverter Use Scenes (English) This Class aBat partial range fuse has superior short circuit protection and a low minimum breaking capacity (MBC)—from 300 % or 3 times the fuse’s rated current to 250 kA—to cover a range of over currents that traditional high-speed partial range fuses do not protect against. The ESR fuse safely interrupts most faults in a battery storage system to avoid catastrophic failures and costly shutdowns. Sales point (English) High DC breaking capacity Low minimum breaking current High-speed operation Low power loss Complies with the IEC 60269-7 battery standard Back