SINOFUSE RSZ307-2-QAZ-200A1500V High-Speed DC Fuse, 200 A, 1500 VDC
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SINOFUSE RSZ307-2-QAZ-200A1500V is a high-speed DC semiconductor fuse in the RSZ307-2-QAZ series for circuit protection in industrial DC power electronics applications. This aR-class fuse is rated for 200 A and 1500 VDC, with Size 2 slotted bolt-on mounting and verified breaking capacity ratings for replacement sourcing and technical review.
| Product ID / MPN | RSZ307-2-QAZ-200A1500V |
| Brand / Series / Category | SINOFUSE / RSZ307-2-QAZ / High-Speed DC Semiconductor Fuse |
| Utilization Category | aR |
| Rated Voltage | 1500 VDC |
| Rated Current | 200 A |
| Breaking Capacity | 150 kA at 10 ms time constant; 250 kA at 4 ms time constant |
| Pre-Arcing I²t | 10,000 A²s |
| Operating I²t | 50,000 A²s |
| Power Dissipation | 91 W |
| Mechanical Specs | Size 2; 210 mm overall length; 143 mm to 188 mm slotted hole distance; 1500 g fuse weight |
| Mounting / Terminal / Connection | Slotted bolt-on mounting with M8 fasteners |
| Installation Notes | Recommended torque: 11 ±1 N·m |
| Standards / Certifications | IEC60269, UL248, RoHS |
This fuse is typically used in DC power electronics and semiconductor protection applications, including energy storage systems, commercial string inverter equipment, DC traction systems, and related high-voltage DC power conversion assemblies.
Apexon Supply supports B2B sourcing and replacement review for SINOFUSE RSZ307-2-QAZ-200A1500V high-speed DC fuse requirements. Buyers should verify voltage rating, current rating, utilization category, breaking capacity, I²t values, mounting format, torque, and dimensional fit before replacement.
Send the MPN, required quantity, and application requirements to request a B2B quote and technical alignment support.
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