Indoor load break switches 6-10 kV

Load break switches of the VNA series are manufactured in accordance with DSTU 17717-79 and are designed to turn on and off under load sections of a three-phase alternating current circuit of industrial frequency 50 Hz, rated voltage up to 10 kV, as well as grounding disconnected sections using grounding switches.

Symbol load switch VNAp-R-EM-10/630-20-z-U3:
V - switch;
N - load;
A - autogas;
p - with fuses;
R - on a common frame;
EM - with a short-term electromagnet;
10 - rated voltage, kV;
630 - rated current, A;
z - location of grounding knives (h, 1h, 2h);
U3 - climatic version and placement category according to DSTU 15150-69.

Versions of VNA load break switches

Load switch VNA-10/630-20 UZ for indoor installation for rated voltage 10 kV and rated current 630A with an interphase distance of 200 mm, climatic version "U", location category "3" according to DSTU 15150-69.

Load switch VNA-10/630-20-z UZ indoor installation for rated voltage 10 kV and rated current 630A, grounding blades are located on the side of the hinged contacts, interfacial distance 200 mm, climatic version "U", placement category "3" according to DSTU 15150-69.

Load switch VNA-10/630-20-1z UZ internal installation for rated voltage 10 kV and rated current 630A, grounding blades are located on the side of detachable contacts, phase-to-phase distance 200 mm, climatic modification "U", location category "3" according to DSTU 15150-69.

Switch disconnector VNA-10/630-20-2z UZ for indoor installation for rated voltage 10 kV and rated current 630A, grounding blades are located on the side of swivel and detachable contacts, interfacial distance 200 mm, climatic version "U", placement category "3" according to DSTU 15150-69.

Switch disconnector VNAp-10/630-20-z UZ for internal installation with fuses for rated voltage 10 kV and rated current 630A, grounding blades are located on the side of hinged contacts, phase-to-phase distance - 200 mm, climatic version "U", placement category "3 "according to DSTU 15150-69.

Switch disconnector VNAp-R-10/630-20-z UZ for internal installation with fuses on a common frame for rated voltage 10 kV and rated current 630A, grounding blades are located on the side of the hinged contacts, interfacial distance - 200 mm, climatic version "U" , placement category "3" according to DSTU 15150-69.

Switch disconnector VNAp-R-EM-10/630-20-z UZ for internal installation with fuses on a common frame with a short-term electromagnet (coil operating voltage AC220V) for automatic disconnection of the circuit breaker in the event of a fuse blown on any of the three poles, at rated voltage 10 kV and rated current 630A, grounding knives are located on the side of hinged contacts, interphase distance - 200 mm, climatic version "U", location category "3" according to DSTU 15150-69.

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