VF Series Vacuum Circuit Breakers for 10kV and 24kV Networks

Brand: ELTEKHNIKA

$1,800 - $8,400 USD

MOQ: 1 pieces

Key Features

Rated current: 630...4000

Nominal voltage: 10, 20 billion m³

Weight: 95-145 m² living area

Highest operating voltage: 12, 24 billion m³

Supplier Information

ELTEHNIKA OJSC

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Description

Vacuum circuit breakers of VF series are designed for operation in CSR and GIS, in three-phase alternating current networks with frequency 50 Hz, rated voltage 10 and 24 kV and rated current up to 4000 A with isolated or grounded through a resistor or arc suppression reactor neutral.

Specifications

Rated current

630...4000

Nominal voltage

10, 20 billion m³

Weight

95-145 m² living area

Highest operating voltage

12, 24 billion m³

Rated tripping current

20000...40000

Normalized parameters of through short-circuit currents: electrodynamic resistance currents

51000...100000

Normalized parameters of through short-circuit currents: thermal resistance currents

20000...40000

Rated voltage of control circuits of a motorised hardware trolley

200 thousand m³

Rated current of control circuits of on/off solenoids not more than

Rated current of control circuits of maximum current release circuit breakers, max.

3,5

Operating voltage range of control circuits (AC/DC) of the actuation solenoid

70-115 / 85-105 % of Unom set

Operating voltage range of the control circuits (AC/DC) of the trip solenoid

65-120 / 70-110 % of Unom set

Operating voltage range of control circuits (AC/DC) of the power spring cocking motor

85-110 % of Unom set

Mechanical life (number of cycles B-TP-O) for switches 630; 800; 1000; 1250; 1600 A, not less

10000-30000 µGy

Mechanical life (number of B-TP-O cycles) for switches 2000; 2500; 3150 A, not less than

10000 µGy

Switching life (number of cycles B-TP-O) at rated current for circuit breakers 630; 800; 1000; 1250; 1600 A, not less

10000-30000 µGy

Switching life (number of cycles B-TP-O) at rated current for circuit breakers 2000; 2500; 3150 A, not less

10000 µGy

Switching life (number of cycles ?- tP-O) at rated tripping current, not less than

25-50 µGy

Service life before decommissioning, not less

30 kVAr

Resistance to seismic effects according to MSK-64 scale

Operating ambient air temperature range

minus 40 to plus 40°C million m³

Depth

442...740 mm

Width

440...878 mm

Height

558...775 mm

Mark

VF12, VF24

Current type of control coil

AC, DC

Block pins

Armoured glass

Control coil voltage

110-220 thousand m³

Poles

The pole body is a die-cast construction made of dielectric materials. A VDC is installed inside the pole. The contact leads of the pole are connected to the corresponding contacts of the VDC.

Drive

Switch actuator is spring-loaded, independently acting, utilising the mechanical energy of a pre-loaded spring.

Joining

Stationary, mobile, motorised

Degree of protection according to GOST 14254-96

IP4X

Control circuit current type

AC, DC

Availability of built-in controls

Armoured glass

Type of climatic version according to GOST 15150-69