Siemens 3NJ4153-3BF01
fuse switch disconnector 3-pole switchable, for protection of transformers on the secondary side up to 500 kVA for LV HRC fuses GTR 722 A max., 400 V AC, and NH3 disconnecting blade up to 1000 A
| Model | ||
| product brand name | SENTRON | |
| product designation | Fuse switch disconnectors | |
| design of the product | in in-line design | |
| type of switching contact double breaking switching contact | No | |
| design of the auxiliary release | Without | |
| design of the safety monitoring | Without | |
| design of the load switch strip form | Yes | |
| General technical data | ||
| number of poles | 3 | |
| number of poles note | 3-pole switchable | |
| type of device | For busbar system 185 mm | |
| size of fuse link | NH3 | |
| fuse system | LV HRC fuse | |
| Voltage | ||
| insulation voltage rated value | 1 000 V | |
| operational current | ||
| ● at AC-21 B at 400 V rated value | 722 A | |
| ● at AC-21 B at 500 V rated value | 722 A | |
| ● at AC-21 B at 690 V rated value | 722 A | |
| ● at AC-23 B at 400 V rated value | 722 A | |
| operating voltage | ||
| ● at AC rated value | 400 V | |
| Protection class | ||
| protection class IP on the front | IP30 | |
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