Indoor disconnectors
Three-pole indoor disconnectors with porcelain insulators are intended to be used for visual interrupting of the electrical circuit. They are used in closed switchgears. They can be produced with grounding knives. The supply could be cable or line type. Scheme of ordering:
PMM3kF 20/400
- P - three-pole disconnector
- M - small size
- 3 - grounded
- K - cable type (if line type - no letter)
- F - with fuses
- 20 - rated voltage 20 кV
- 400 - rated current 400А.
Insulators could be ПАМ20, ПАМ20М or Р70 types.
The technical characteristics could be found below in the Technical characteristics section.
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Technical Data
|
Type |
Rated voltage Un, kV |
Max voltage Um, кV |
Rated current In, A |
Short-time withstand current Ieff, kA |
Peak withstand current Imax , кА |
One minute test voltage with frequency 50Hz, kV |
Full wave impuls test voltage ±1.2/50µs, kV |
||
|
Between one pole open contacts |
Between poles and between poles and grounding |
Between one pole open contacts |
Between poles and between poles and grounding |
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|
РМ, РМЗк, РМЗкП |
20 |
24 |
200 |
20 |
50 |
75 |
55 |
145 |
125 |
|
400 |
30 |
75 |
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|
630 |
40 |
100 |
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Products
| Item No | Description | Producer |
| KD_1_600_PAM | Disconnector RMM 10/600 10kV insulator PAM, 400-630A +manual lever drive | Контрагент 35 |
| KD_2_400_PAM | Disconnector RMM 20/400 20kV insulator PAM, 400-630A +manual lever drive | Контрагент 35 |
| KD_2_400_R70 | Disconnector RMM 20/400 20kV insulator R70, 400-630A +manual lever drive | Контрагент 35 |
| KDFR_2_400_PAM | Disconnector RMZK с ОВВП 20/400 20kV insulator PAM, 400-630A +2manual lever drive | Контрагент 35 |
| KDFR_2_400_R70 | Disconnector RMZK с ОВВП 20/400 20kV insulator R70, 400-630A +2manual lever drive | Контрагент 35 |
| KDRS_2_400_PAM | Disconnector RMZ 20/400 20kV insulator PAM 20, 400-630A +2manual lever drive | Контрагент 35 |
| KDRS_2_400_R70 | Disconnector RMZ 20/400 20kV insulator R70, 400-630A +2manual lever drive | Контрагент 35 |
| KDRК_2_400_PAM | Disconnector RMZK 20/400 20kV insulator PAM, 400-630A +2manual lever drive | Контрагент 35 |
| KDRК_2_400_R70 | Disconnector RMZK 20/400 20kV insulator R70, 400-630A +2manual lever drive | Контрагент 35 |
| PRODUCE_RMM_2_063 | Disconnector RMM 20/630 20kV 630A | Контрагент 35 |
| PRODUCE_RMZ_2_040 | Disconnector RMZ 20/400 20kV 400A | Контрагент 35 |
| PRODUCE_RMZ_2_063 | Disconnector RMZ 20/630 20kV 630A | Контрагент 35 |
| PRODUCE_RMZK_2_040 | Disconnector RMZK 20/400 20kV 400A | Контрагент 35 |
