Sinofuse RS309-MF-60A RS309-MF High-Speed Square Body Fuse, 700V IEC/750V UL, 60A, Size 3SA - Pack of 2

Overview: The Sinofuse RS309-MF-60A is a high‑speed square‑body semiconductor protection fuse rated 60 A for AC/DC systems up to 700 V (IEC) / 750 V (UL). It offers high interrupting capability and fast fault clearing for inverters, rectifiers, DC drives, and DC bus protection. This item is sold as a pack of 2 units.

Key Features:

• High breaking capacity: AC 100 kA; DC 50 kA (time constant <15 ms)
• Square‑body construction with slotted blade tags
• Size code 3SA; M8 bolted mounting (recommended torque 12 ±1 N·m)
• Complies with UL248 and IEC60269; RoHS compliant

Technical Specifications:

• Rated current: 60 A
• Rated voltage: 700 V AC/DC (IEC); 750 V (UL)
• I²t (A²s): pre‑arcing 275; clearing 1020
• Power loss at In: 14.5 W
• Size code/dimensions (3SA, mm): A=98, B=24, C=64, D=85, E=95.5, F=9, G=15, H=3.3
• Mounting: Blade ends with M8 screws; recommended torque 12 ±1 N·m
• Stated interrupt ratings: AC 100 kA; DC 50 kA (L/R <15 ms)

Applications:

• Semiconductor device protection in inverters and rectifiers
• DC drives and DC common bus
• Battery charging and power conversion equipment
• General industrial power electronics requiring rapid fault interruption