SINOFUSE RSZ307-3-RAZ-160A1500V High-Speed Square Body Fuse, 160A, 1500VDC
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SINOFUSE RSZ307-3-RAZ-160A1500V is a high-speed square body fuse from the RSZ307-3-RAZ Series, rated at 160A and 1500VDC. Designed for high-power DC and power-electronic circuits, it provides fast fault-current interruption and effective current-limiting protection for sensitive electrical equipment.
The RSZ307-3-RAZ series features a rated breaking capacity of 250kA with a time constant of ≤5 ms. The 160A version provides a pre-arcing I²t of 3,650 A²s, total clearing I²t of 15,800 A²s, and rated power loss of 83W.
| Brand | SINOFUSE |
| Part Number | RSZ307-3-RAZ-160A1500V |
| Series | RSZ307-3-RAZ |
| Product Type | High-Speed Square Body Fuse |
| Rated Current | 160A |
| Rated Voltage | 1500VDC |
| Size Code | 3 |
| Rated Breaking Capacity | 250kA |
| Time Constant | ≤5 ms |
| Pre-Arcing I²t @ DC1600V | 3,650 A²s |
| Total Clearing I²t @ DC1600V | 15,800 A²s |
| Power Loss | 83W |
| Weight | 2350 ± 100 g |
| Mounting Method | M8 Bolt and Nut |
| Recommended Torque | 11 ± 1 N·m |
| Maximum Package Quantity | 6 Pieces |
| Standards | IEC 60269-4 / UL 248-13 |
| Certifications / Compliance | UL, TÜV, RoHS |
RSZ307-3-RAZ Series
The SINOFUSE RSZ307-3-RAZ 1500VDC series covers rated currents from 100A to 630A. Available current ratings include 100A, 125A, 160A, 200A, 250A, 315A, 350A, 400A, 450A, 500A, 550A and 630A. The RSZ307-3-RAZ-160A1500V is the 160A version of this series.
High-Speed Protection for DC Power Systems
The RSZ307-3-RAZ-160A1500V is designed for applications requiring rapid fault-current interruption and effective limitation of fault energy. Its low I²t characteristics help reduce thermal and electrical stress on downstream power-semiconductor components during short-circuit events.
Typical Applications
- Power semiconductor protection
- High-voltage DC power systems
- Industrial inverters and converters
- Energy storage power conversion systems
- DC drives and rectifier systems
- High-power industrial electrical equipment
Ordering Information
When replacing an existing fuse, verify the complete model number RSZ307-3-RAZ-160A1500V, 160A current rating, 1500VDC voltage rating, Size 3 body configuration, M8 mounting arrangement and required I²t characteristics before ordering.
Contact Apexon Supply for current stock availability, quotation, lead time, technical documentation and alternative SINOFUSE RSZ307-3-RAZ series ratings.
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