5SB221 Siemens DIAZED Fuse Link 500 V For Cable and Line Protection Original Brand New
€ 2.90
- 5SB221
- Class:Class gL/gG
- Current Rating:4 A
- Primary Type:Single Use Fuses
- Series:5S- Series
- Size:DII-E 27
- Termination:Cartridge
- Type:Diazed Fuses
- UPC Code:754554214474
Available on backorder
Siemens DIAZED Fuse Link 500 V For Cable and Line Protection 5SB221
Overview
The DIAZED fuse system is one of the oldest fuse systems in the world. It was developed by Siemens fuse link as far back as 1906. It is still the standard siemens fuses system in many countries to this day. It is particularly widely used in the harsh environments of industrial applications.
The series is available with rated voltages from 500 to 750 V.
All DIAZED bases must be fed from the bottom to ensure an insulated threaded ring when the siemens fuse link is being removed. Reliable contact of the fuse links is only ensured when used together with DIAZED screw adapters.
The terminals of the DIAZED bases are available in different versions and designs to support the various installation methods.
A key feature is the high-performing EZR bus-mounting system for screw fixing. The busbars, which are particularly suited for bus-mounting bases, have a load capacity of up to 150 A with lateral infeed.
DIAZED stands for “DIAmetral gestuftes Zweiteiliges Sicherungssystem mit EDisongewinde” (diametral two-step fuse system with Edison screw).
DIAZED fuse systems area a result of the well-designed modular system, the components can be combined in any way to meet the various requirements and to facilitate different installation methods.
5SB221
Siemens 5SB221, DIAZED fuse link 500 V for cable and line protection gG, Size DII, E27, 4A
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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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