TZN28(A)-12 series Indoor high voltage vacuum circuit breaker
Outline
TZN28-12, TZN28A-12 series vacuum circuit breakers are high voltage indoor switching devices with rated voltage of 12KV and three-phase AC of 50Hz. The product conforms to the GB1984-89 standard, and the overall structure of the product is divided into two types: one is that the switch body is installed in one with the operating mechanism or the switch body is installed separately from the operating mechanism. The integrated structure is TZN28-12 basic type, and the split structure is TZ128A-12 type, which is suitable for various fixed switchgear cabinets like TGG-1A (Z) TXGN2-10 (Z), etc.
This product can be combined with CD17, CD10A type DC electromagnetic actuator and CD17, CT19 type spring energy storage actuator.
Main technical parameters
Graphics and installation
| Model/Data/Code |
20KA 25KA 31.5KA |
40KA |
|
a |
230 |
275±1 |
|
b |
600 |
690 |
|
c |
710 |
842 |
|
d |
560 |
652 |
|
e |
293。﹣² |
342。﹣² |
|
f |
227±1 |
227±1 |
