TKYN61-40.5□ Armored removable AC metal-enclosed switching device
Product overview
The main features of the TKYN61-40.5 口armored removable AC metal-enclosed switching device (hereinafter referred to as “switchgear”) are that TZN85-40.5 and VD4, VB2 type fully insulated vacuum circuit breaker and spring operating mechanism are used in the cabinet, and the cabinet body is assembled with aluminum zinc plate, improving the coordination accuracy of hand truck and cabinet body, hand car push pull out is very light, interchangeability is strong. The appearance is beautiful, the plan is complete, and the use is safe and reliable.
This product is used in 35kV three-phase AC 50Hz power system, as a power plant, substation and industrial and mining power distribution room for receiving and distribution of electricity, with control, protection and monitoring functions.
This product accords with: GB3906 3-35kV AC Metal-enclosed Switchgear GB / T11022 High Voltage Switchgear and Control Equipment Standard Common Technical Requirements DL / T404 AC High Voltage Switchgear Ordering Technical Requirements IEC298 Rated Voltage Above 1KV 52KV and Below AC Metal-enclosed Switchgear and Control Equipment Standard.
Main technical parameters
|
Name |
|
Unit |
Date |
|
|
Rated voltage |
|
kV |
40.5 |
|
|
Rated current |
Rated current of main busbar |
A |
630、1250、1600、2000 |
|
|
Rated current of circuit breakers |
A |
630、1250、1600、2000 |
||
|
Rated insulation level |
1min power frequency tolerance voltage, pole-to-pole, inter-polar / interbreak |
kV |
95/110 |
|
|
Lightning impulse withstand voltage (peak), between poles, between poles / between breaks |
kV |
185/215 |
||
|
Power frequency withstand voltage of auxiliary circuit and control circuit |
V/1min |
2000 |
||
|
Rated frequency |
Hz |
50 |
||
|
Rated short-circuit breaking current |
kA |
20、25、31.5 |
||
|
Rated short-time withstand current / rated short-circuit duration |
kA/4s |
20、25、31.5 |
||
|
Rated peak withstand current |
kA |
50、63、80 |
||
|
Rated short-circuit closing current |
kA |
50、63、80 |
||
|
Control circuit rated voltage |
V |
DC:10 220,AC:110 220 |
||
|
levels of protection |
Switchgear housing |
|
IP4X |
|
|
Cubicle (when the door opens) |
|
IP2X |
||
