Littelfuse L75QS225 225A 750V DC High-Speed Fuse
● Contact for AvailabilityLittelfuse L75QS225 delivers very-fast-acting 225A protection at 750V DC in a bolted round-body format.
Rated Current225A
Rated Voltage750V DC
Breaking Capacity50kA @ 750VDC
PackageTraditional Round Body
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Part NumberL75QS225BrandLittelfuseRequested Qty100
Littelfuse L75QS225 is a 225A L75QS high-speed fuse rated 750V DC for semiconductor and power-conversion applications. The current-limiting round-body design carries a 50kA DC interrupting rating, with 9226 A²s pre-arcing I²t and 27520 A²s total clearing I²t. Confirm system-level suitability against the manufacturer technical data. For cross-reference work, compare its interrupting rating before the package configuration, and verify the voltage rating against the Littelfuse technical sheet.
Technical Specifications
- Part Number
- L75QS225
- Manufacturer Part Number
- L75QS225
- Series
- L75QS Series
- Fuse Type
- High-Speed Round-Body DC Semiconductor Fuse
- Current Rating
- 225A
- Voltage Rating
- 750V DC
- AC / DC
- DC
- Breaking Capacity
- 50kA @ 750VDC
- I²t
- 27520 A²s total @ 750VDC
- Pre-arcing I²t
- 9226 A²s
- Total I²t
- 27520
- Operating Temperature
- -55°C to +125°C
- Package / Dimensions
- Traditional Round Body
- Mounting
- Bolt-Down
- Application
- DC distribution · EV · Power Electronics · UPS
- Standard
- UL Recognition
- Terminal Type
- Bolted Tags
- Fuse Speed
- Very Fast Acting
- Approvals
- RoHS · UL Recognized
- Certifications
- UL Recognized · cURus · RoHS · REACH
- Body
- Melamine
- Caps
- Copper alloy
- Total clearing I²t
- 27520 A²s @ 750VDC
Downloads
Littelfuse 52100001009 521 Series Fuse Clip
52100001009
Littelfuse 51900001009 519 Series Fuse Clip
51900001009
Littelfuse 51800001009 518 Series Fuse Clip
51800001009
