SINOFUSE RS309-MF-S700A High-Speed Fuse, 700A, 700V AC/DC
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SINOFUSE RS309-MF-S700A is an RS309-MF-S Series high-speed fuse for industrial and automotive power protection applications. This bolted cylindrical fuse is identified with a 700A current rating, 700V AC/DC IEC voltage rating, 750V AC/DC UL voltage rating, and aR utilization category.
| Product ID / MPN | RS309-MF-S700A |
| Brand / Series / Category | SINOFUSE RS309-MF-S Series High-Speed Fuse |
| Main Electrical or Technical Ratings | 700A; 700V AC/DC IEC; 750V AC/DC UL |
| Utilization Category | aR |
| Breaking Capacity | 100kA AC; 50kA DC, time constant ≤ 15 ms |
| Size Code | 7TA |
| Pre-Arcing I²t | 95,700 A²s |
| Clearing I²t | 325,000 A²s |
| Power Dissipation | 125 W |
| Mounting / Terminal / Connection | Bolted, M10 |
| Installation Notes | Recommended torque 21 ±1 N·m |
| Standards / Certifications | CE; UL248; IEC 60269; ISO 8820; RoHS |
Typical applications include EV drive systems, power converters, energy storage systems, frequency controllers, industrial power electronics, and DC or AC circuit protection assemblies requiring a high-speed aR fuse.
Apexon Supply supports B2B sourcing and replacement review for SINOFUSE high-speed fuses by helping buyers confirm MPN, current rating, voltage rating, breaking capacity, utilization category, mounting type, and torque requirements before procurement.
Send the MPN, required quantity, voltage system, and application requirements to request a B2B quote for sourcing support.
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