VR-32 series knife switches
The switches are designed for energizing, passing and interrupting alternating current with a rated voltage of up to 380 V, rated frequency of 50 Hz and direct current with a rated voltage of up to 440 V in electric power distribution devices.
Engineering data:
|
Parameter name
|
Value
|
||
|
VR32-31
|
VR32-35
|
VR32-37
|
|
|
Rated operating voltage of the main circuit, V:
· of alternating current
· of direct current
|
380
440; 220
|
380
440; 220
|
380
440; 220
|
|
Conventional thermal current out-of-doors, A
|
100
|
250
|
400
|
|
Conventional thermal current in the enclosure, A
|
80
|
200
|
315
|
|
Rated short-time withstand current, kA
|
5
|
8
|
11
|
|
Rated short-circuit current, kA
|
8
|
14
|
22
|
|
Per-pole power consumption by the device, W
|
3
|
15
|
35
|
|
Mechanical wear-resistance, on-off cycle
|
15,000
|
15,000
|
5,000
|
|
AC rated frequency, Hz
|
50
|
||
|
Application category
|
АС-20 V; DC-20 V
|
||
|
Number of poles
|
1; 2; 3
|
||
|
Drive type
|
With an external side handle and side handle
|
||
|
Protection rating on the handle side according to GOST 14254
|
IP00
|
||
Made in accordance with the Technical Specifications TSh 64-00212883-029:2010.
The product has been certified by the National Certification System of the Republic of Uzbekistan and Certification System of the Russian Federation (GOST-R).