Siemens 3NE8021-1 SITOR Fuse Link, NH00, 100A, aR Semiconductor Protection Original Brand New
$115.47
High-performance SITOR fuse link designed for the ultra-fast protection of power semiconductors. Featuring a compact NH00 size and a 100A current rating, this aR-characteristic fuse ensures reliable operation in demanding industrial environments.
Availability: In stock
Overview
The Siemens SITOR series is the industry standard for protecting sensitive power electronics. The 3NE8021-1 is specifically engineered to handle high-speed interruptions, safeguarding components like thyristors, power transistors, and diodes from short-circuit damage. With its blade contact design and integrated front indicator, it offers both easy installation and quick status visualization.
Key Benefit
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Ultra-Fast Response: The aR (Partial Range) switching characteristic provides superior protection against high-energy short circuits.
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Compact Footprint: The NH00 standard size allows for high-density mounting in power distribution cabinets.
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High Breaking Capacity: Safely interrupts high-fault currents at voltages up to 690V AC.
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Visual Monitoring: Equipped with a front indicator for immediate identification of blown fuses, reducing downtime.
Technical Function
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Circuit Protection: Guards power converters and rectifiers against overcurrent.
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Thermal Management: Optimized power loss characteristics to prevent overheating within the switchgear.
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Universal Compatibility: Standard blade contacts ensure fitment in all compatible NH00 fuse holders and bases.
Specification
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Type: SITOR Fuse Link
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Model: 3NE8021-1
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Rated Current (In): 100 A
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Voltage AC (Un AC): 690 V
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Voltage DC (Un DC): 440 V
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Fuse Type: aR
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Mounting: NH00 with blade contacts
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Indicator: Front indicator for blown fuse detection
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| Weight | 0.203 kg |
|---|---|
| Dimensions | 92.00 × 102.00 × 71.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | SITOR fuse link |
| design of the product | With blade contacts |
| design of an identification indicator | front indicator |
| design of the switching contact | With blade contacts, silver-plated |
| design of the fuse link | SITOR, LV HRC design |
| size of fuse system / acc. to DIN EN 60269-1 | NH00 |
| operating class of the fuse link | aR |
| varying load factor (WL) | 0.95 |
| type of voltage / of the operating voltage | AC/DC |
| supply voltage | – |
| ● at DC | 440 V |
| switching capacity current | – |
| ● acc. to IEC 60947-2 / rated value | 100 kA |
| power loss [W] | – |
| ● for rated value of the current / at AC / in hot operating state / per pole | 22 W |
| operational current | – |
| ● at 30 °C / rated value | 100 A |
| ● at 40 °C / rated value | 100 A |
| ● at 45 °C / rated value | 100 A |
| ● at 50 °C / rated value | 99 A |
| ● at 55 °C / rated value | 98 A |
| ● at 60 °C / rated value | 97 A |
| ● at AC / rated value | 100 A |
| product description | Not non-interchangeable |
| mounting position | Any, preferably vertical |
| ambient temperature / during operation | – |
| ● minimum | -20 °C |
| ● maximum | 50 °C |
| environmental category | -20 to +50 at 95% relative humidity |
| Miscellaneous | Miscellaneous |
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