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- Assembly kits for individual and project-related assembly, comprising: Support plate, front cover including supports, molded-plastic cover, screws and mounting accessories
- Panel-size grid dimensions H Г— W (mm): 150 Г— 250
- The front cover is sealable as standard and the quick-acting locking connections facilitate fast and reliable attachment to the supports.
Note: - In order to mount the assembly kits in unequipped distribution boards, 2 longitudinal stays are required per kit. These must be ordered separately.
- For mounting size 000 fuse switch disconnectors you also need the cover 8GK9912-0KK00.
| | Version | Article No. |
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 8GK4550-2KK22 | Assembly kit for 3NP1 fuse switch disconnectors, for mounting on support plates | | Number of assembly kits for size | LV HRC fuse switch disconnectors | Height in mm | Width in mm | | 2 x 00/000 | 2 x 3NP1123... / 3NP1133... | 300 | 250 | 8GK4550-2KK12 | 4 x 00/000 | 4 x 3NP1123... / 3NP1133... | 500 | 8GK4550-2KK22 | 1 x 1 | 1 x 3NP1143… | 450 | 250 | 8GK4550-3KK12 | 2 x 1 | 2 x 3NP1143… | 500 | 8GK4550-3KK22 | 1 x 2 | 1 x 3NP1153… | 450 | 250 | 8GK4551-3KK12 | 1 x 3 | 1 x 3NP1163… | 500 | 8GK4551-3KK22 | Accessories | |  8GK9912-0KK00 | 3NP1123... cover, size 000 (required only for size 000 fuse switch disconnectors) | 8GK9912-0KK00 |  8GK9650-0KK00 | Busbar supports | | Versions | | | 8GK9650-0KK00 | | 8GK9711-0KK03 |
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