VVN-SESH-35 (27,5)

General Description

Vacuum circuit breaker VVN-SESH 35 kV, provides reliable and stable operation of the distributing power system. Circuit breaker is safety for operational. Provided commutation in normal and emergency conditions for three-phase alternating current lines with frequency 50 Hz with rated voltage 27,5 и 35 kV.

Reinforced silicone elastomer or epoxide pole insulation.
Spring-motor or electromagnetic switch drive.
Commutation management without control current.
Commutation remote control.
Low weight & small size.

Technical Characteristics

Specifications
Value
Rated voltage, kV
35
Rated current, A
1 000; 1 600
Rated breaking current, kA
25; 31,5
Mechanical durability On/Off cycles
up to 25 000
Working temperature, °С
-60°
+55°

Modifications

VVN-SESH-35 Three-phase

VVN-SESH has switch drives and pole insulation options. Circuit breaker is convenient for switchgear cubicle operating. Also, vacuum circuit breaker VVN-SESH designed to be used with mountings for additional equipment such as switchers and measuring transformers.

VVN-SESH-27,5 Two-phase

Two-phase VVN-SESH is used over renewing and creating new railway substations and other electrical supply objects of OOO «RZD».

VVN-SESH-27,5 Single-phase

Single-phase VVN-SESH is used over renewing and creating new railway substations and other electrical supply objects of OOO «RZD».