SINOFUSE RSZ307-3-RAZ-450A1500V High-Speed Square Body Fuse, 450A, 1500VDC
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SINOFUSE RSZ307-3-RAZ-450A1500V is a high-speed square body fuse from the RSZ307-3-RAZ Series, rated for 450A and 1500VDC. It is a bolt-connected high-speed fuse designed for partial-range protection, providing strong current-limiting performance and reliable interruption capability in compatible high-power DC circuits.
The RSZ307-3-RAZ series is designed in reference to IEC 60269-4 and UL 248-13. The series has a rated breaking capacity of 250kA with a time constant of ≤5 ms, and is UL and TÜV certified and RoHS compliant.
| Brand | SINOFUSE |
| Part Number | RSZ307-3-RAZ-450A1500V |
| Series | RSZ307-3-RAZ |
| Product Type | High-Speed Square Body Fuse |
| Rated Current | 450A |
| Rated Voltage | 1500VDC |
| Size Code | 3 |
| Rated Breaking Capacity | 250kA |
| Time Constant | ≤5 ms |
| Pre-Arcing I²t @ DC1600V | 58,900 A²s |
| Total Clearing I²t @ DC1600V | 277,500 A²s |
| Power Loss | 160W |
| Weight | 2350 ± 100 g |
| Mounting | M8 Bolt and Nut |
| Recommended Torque | 11 ± 1 N·m |
| Standards | IEC 60269-4 / UL 248-13 |
| Certifications / Compliance | UL, TÜV, RoHS |
RSZ307-3-RAZ Series
The RSZ307-3-RAZ 1500VDC series covers rated currents from 100A to 630A. The RSZ307-3-RAZ-450A1500V is the 450A version of this series and should be selected by exact part number, current rating, voltage rating, mounting configuration, and I²t requirements.
Procurement and Replacement
For replacement or maintenance applications, verify the complete model number RSZ307-3-RAZ-450A1500V before ordering. Contact Apexon Supply for availability, quotation, lead time, datasheet support, and technical specification confirmation.
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