Siemens 3NE4122 SITOR Fuse Link NH0, 125A, aR, AC 1000V / DC 440V with Front Indicator Original Brand New
$144.74
High-performance SITOR fuse link designed for semiconductor protection. Featuring an NH0 size, 125A rated current, and aR utilization category, it provides ultra-fast switching to protect power transistors and thyristors.
Availability: In stock
Overview
The Siemens 3NE4122 SITOR fuse link is a high-performance protection device designed for industrial and electrical applications requiring reliable short-circuit protection. This NH0 fuse link supports both AC and DC circuits with ratings of 125A, AC 1000V, and DC 440V, making it suitable for a wide range of electrical installations.
Equipped with blade contacts and a front indicator, the 3NE4122 allows for quick, visual fault detection and simplifies maintenance operations. The aR characteristic ensures precise protection for motor circuits, helping to prevent costly equipment damage.
Key Benefit
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Reliable Protection: Safeguards electrical circuits from overcurrents and short circuits.
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Dual Voltage Support: AC 1000V and DC 440V capability for versatile applications.
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Easy Monitoring: Front indicator provides immediate visual status.
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Durable Construction: NH0 size fuse ensures high mechanical and electrical endurance.
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Quick Replacement: Blade contact design allows fast and safe fuse changes.
Functionality / Features
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Type: aR (Partial-range fuse)
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Rated Current (In): 125A
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Rated Voltage: AC 1000V / DC 440V
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Size: NH0
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Indicator: Front-mounted visual indicator for fault detection
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Contact Type: Blade
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| Weight | 0.275 kg |
|---|---|
| Dimensions | 94.00 × 127.00 × 63.00 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 | NH0 |
| operating class of the fuse link | aR |
| varying load factor (WL) | 0.9 |
| 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 | 30 W |
| operational current | – |
| ● at 30 °C / rated value | 125 A |
| ● at 40 °C / rated value | 125 A |
| ● at 45 °C / rated value | 125 A |
| ● at 50 °C / rated value | 123.75 A |
| ● at 55 °C / rated value | 122.5 A |
| ● at 60 °C / rated value | 121.25 A |
| ● at AC / rated value | 125 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 |
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