Disconnector of R-25 series
The disconnector is intended for non-automatic (manual) switching of no-load electric circuits in the control, signaling and protection devices of fixed plants.
Climatic category is N(U) and placement category is 3 according to GOST 15150.
The disconnectors of climatic category U can be used under the reference conditions for the devices of UKhL4 climatic category according to GOST (NF4 according to IEC). Made in accordance with the Corporate Standard Ts 00212883-027:2015.
Engineering data:
|
Parameter name
|
Value
|
|
Rated operating voltage, V:
· of alternating current
· of direct current
|
380
220
|
|
Rated frequency, Hz
|
50; 60
|
|
Rated voltage of the insulation, V
|
660
|
|
Conventional thermal current, A
|
25
|
|
Rated operating current, A
|
25
|
|
Application category
|
АС 20 V, DC 20 V
|
|
Mechanical wear-resistance, on-off cycles
|
1600
|
|
Type of wire connection
|
front-connected
|
|
Protection rating according to GOST 14255
|
IP00
|
To make two, three and four-pole disconnectors, their handles are joined by using the pins that are inserted in special holes.
The disconnectors should be fastened on the fixed metal or insulating parts of stationary plants.