Sinofuse RS309-MF-200A RS309-MF High-Speed Square Body Fuse, 700V IEC/750V UL, 200A aR, Size 6TA M10 - Pack of 2

Overview: The Sinofuse RS309-MF-200A is a high‑speed square body semiconductor fuse for AC/DC systems up to 700 V (IEC) / 750 V (UL). Rated 200 A, it provides fast fault clearing with high interrupting capacity for inverters, rectifiers, DC drives, and DC bus protection. This item is sold as a pack of 2 units.

Key Features:

• Rated voltage: 700 V (IEC) / 750 V (UL)
• High breaking capacity: AC 100 kA; DC 50 kA (time constant <15 ms)
• aR utilization category for semiconductor short‑circuit protection
• Size code 6TA square body with slotted blade tags
• Bolted mounting: M10 hardware, recommended torque 21 ±1 N·m
• Thermal data for coordination: I²t pre‑arc 4,850 A²s; clearing 16,300 A²s
• Power dissipation at In: 39 W

Technical Specifications:

• Rated current: 200 A
• Voltage: 700 V AC/DC (IEC); 750 V (UL)
• Interrupting rating: AC 100 kA; DC 50 kA (L/R <15 ms)
• Size/dimensions (6TA, mm): A=129, B=37, C=72, D=89.5, E=109, F=10.5, G=18, H=6
• Construction: Square body, blade ends (slotted); M10 mounting

Applications:

• Protection of power semiconductors in inverters/rectifiers
• DC drives and DC common bus
• Battery charging and power conversion equipment
• Industrial power electronics requiring rapid, high‑capacity fault interruption