250Vdc 100-800A 50kA aR Square Body Fuse 1#
- Voltage: 250Vdc
- Current: 100-800A
- Interrupting Capacity:
- Max: 250Vdc 50kA (or less)
- Min BC: ≥3 In
- Time Constant: ≤5ms
- Class Type: aR
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Dimensions (mm)
Description
- Designed for DC applications
- Excellent DC performance
- Superior cycling capability
- Low watt losses
Standards & Approvals
- Refer to UL 248.1 / UL 248.13
- IEC 60269.1 / IEC 60269.4
- REACH declaration available upon request
- RoHS compliant
Features & Benefits
- Higher voltage rating provides overall system efficiency using smaller, more economical conductors while meeting the needs of higher voltage.
- Up to ten times faster opening under high fault current conditions ensures reliable protection of circuits and components.
- Greater ampacity within sizing guidelines.
- Excellent resistance to voltaic impingement and environmental temperature tolerance.
- Exceptional resistance to mechanical vibration and impact.
Fuse Ratings
| Part No. | Fuse Amps | Size | Average @50KA/250Vdc | Power Loss (W) | |
| A²s Melting | A²t Clearing | 100% | |||
| HCHVT250-100K-51E | 100 | 1# | 820 | 7,370 | 23 |
| HCHVT250-125K-51E | 125 | 1# | 1,340 | 11,910 | 28 |
| HCHVT250-160K-51E | 160 | 1# | 2,410 | 21,550 | 35 |
| HCHVT250-200K-51E | 200 | 1# | 3,030 | 26,910 | 38 |
| HCHVT250-250K-51E | 250 | 1# | 5,050 | 45,680 | 52 |
| HCHVT250-275K-51E | 275 | 1# | 6,140 | 59,220 | 55 |
| HCHVT250-315K-51E | 315 | 1# | 7,910 | 75,060 | 64 |
| HCHVT250-350K-51E | 350 | 1# | 10,520 | 100,260 | 68 |
| HCHVT250-400K-51E | 400 | 1# | 15,060 | 143,820 | 72 |
| HCHVT250-450K-51E | 450 | 1# | 20,830 | 205,160 | 78 |
| HCHVT250-500K-51E | 500 | 1# | 26,760 | 264,150 | 87 |
| HCHVT250-550K-51E | 550 | 1# | 36,520 | 363,150 | 92 |
| HCHVT250-630K-51E | 630 | 1# | 53,800 | 554,220 | 100 |
| HCHVT250-700K-51E | 700 | 1# | 71,550 | 742,770 | 102 |
| HCHVT250-800K-51E | 800 | 1# | 99,540 | 1,035,000 | 113 |
| Optional base indicator, the standard product is the “Default” configuration. Default: K–with fuse indication, e.g.: HCHVT250-630K–51E; Optional: KN–without fuse indication, e.g.: HCHVT250-630KN-51E; |
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Applications
- Electrical energy storage
- Battery pack protection
