Sinofuse RS309-MF-150A RS309-MF High-Speed Square Body Fuse, 150A aR, 700V IEC/750V UL, Size 6TA M10 - Pack of 2

Overview: The Sinofuse RS309-MF-150A is a high‑speed square body semiconductor fuse rated 150 A for AC/DC systems up to 700 V (IEC) / 750 V (UL). Designed for fast fault clearing with high interrupt ratings, it protects inverters, rectifiers, DC drives and DC common bus circuits. This item is sold as a pack of 2 units.

Key Features:

• High breaking capacity: AC 100 kA; DC 50 kA (L/R <15 ms)
• aR utilization category for semiconductor short‑circuit protection
• Square body, slotted blade tags; size code 6TA
• M10 bolted mounting; recommended torque 21 ±1 N·m
• Thermal data provided for coordination: I²t (pre‑arc/clearing) 3110/9900 A²s
• Power loss at rated current: 32 W
• Complies with UL248 and IEC 60269; RoHS compliant

Technical Specifications:

• Rated current: 150 A
• Rated voltage: 700 V AC/DC (IEC); 750 V (UL)
• Interrupting rating: AC 100 kA; DC 50 kA (time constant <15 ms)
• I²t at rated voltage: pre‑arcing 3110 A²s; clearing 9900 A²s
• Power dissipation at In: 32 W
• Size/mounting: 6TA square body; M10 mounting screw (recommended torque 21 ±1 N·m)

Applications:

• Semiconductor device protection in inverters and rectifiers
• DC drives and DC common bus
• Battery charging and power conversion equipment
• Industrial power electronics requiring rapid, high‑capacity fault interruption