Siemens 5SB221 DIAZED Fuse Link, 500V, 4A, gG Class, Size DII, E27 Base Original Brand New
$3.19
High-performance DIAZED fuse link designed for reliable cable and line protection. Featuring a 4A rated current and 500V rated voltage, this Size DII fuse utilizes an E27 screw base and belongs to the gG utilization category for general-purpose applications.
Availability: In stock
Overview
The Siemens 5SB221 DIAZED system is one of the most widely used fuse systems in the world, renowned for its safety and easy handling. This specific fuse link is engineered to protect electrical installations against overloads and short circuits. Its robust design ensures it can withstand high thermal stress, making it an essential component for industrial and residential electrical panels.
Key Function
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Overload Protection: Safely interrupts circuits when current exceeds 4A.
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Short-Circuit Protection: Provides immediate disconnection during high-fault currents to prevent equipment damage.
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Utilization Class gG: Optimized for general applications, specifically cable and line protection.
Benefit
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Ease of Replacement: The E27 screw-in design allows for quick, tool-free replacement.
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High Reliability: Manufactured by Siemens to meet rigorous international safety standards.
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Clear Status Indication: Designed for use with indicator systems to quickly identify blown fuses.
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Universal Compatibility: Fits all standard DII fuse bases with E27 threading.
Technical Specification
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Brand: Siemens
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Model / Part Number: 5SB221
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Fuse Type: DIAZED Fuse Link
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Voltage Rating: 500 V
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Current Rating: 4 A
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Utilization Category: gG
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Size: DII
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Base Type: E27
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Application: Cable and line protection
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| Weight | 0.027 kg |
|---|---|
| Dimensions | 25.00 × 111.00 × 51.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | DIAZED fuse |
| design of the product | For cable and line protection |
| design of the fuse link | DIAZED fuse link |
| tripping characteristic class | Other |
| size of fuse system / acc. to DIN EN 60269-1 | DII |
| operating class of the fuse link | gG |
| supply voltage / at DC | 500 V |
| protection class IP | IP20, with connected conductors |
| switching capacity current / at DC / acc. to IEC 60947-2 / rated value | 8 kA |
| power loss [W] | 2 W |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 2 W |
| operational current | – |
| ● at 30 °C / rated value | 3.92 A |
| ● at 40 °C / rated value | 3.8 A |
| ● at 45 °C / rated value | 3.68 A |
| ● at 50 °C / rated value | 3.6 A |
| ● at 55 °C / rated value | 3.52 A |
| ● at 60 °C / rated value | 3.44 A |
| ● at AC / rated value | 4 A |
| color coding of the fuse link | brown |
| product description | Using screw adapter or adapter sleeves |
| mounting position | Any, preferably vertical |
| ambient temperature / during operation | – |
| ● minimum | -5 °C |
| ● maximum | 40 °C |
| environmental category | Up to 45°C at 95 % rel. humidity |
| Test Certificates | other |
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