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

Available for Import

VF Series Vacuum Circuit Breakers for Reliable Protection in 10kV and 24kV Networks

High Voltage AC Switches

Manufacturer: ELTEHNIKA OJSC

Price: Request Quote

Bulk pricing available

FOB, CIF & EXW terms available

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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

Depth

442...740 mm

Width

440...878 mm

Height

558...775 mm

Availability of built-in controls

Armoured glass

Nominal voltage

10, 20 kV

Highest operating voltage

12, 24 kV

Rated current

630...4000 A

Rated tripping current

20000...40000 A

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

51000...100000 A

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

20000...40000 A

Rated voltage of control circuits of a motorised hardware trolley

200 V

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

1 A

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

3,5 A

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

70-115 / 85-105 % of Unom %

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

65-120 / 70-110 % of Unom %

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

85-110 % of Unom %

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

10000-30000 pcs

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

10000 pcs

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

10000-30000 pcs

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

10000 pcs

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

25-50 pcs

Service life before decommissioning, not less

30 year

Resistance to seismic effects according to MSK-64 scale

8 points

Operating ambient air temperature range

minus 40 to plus 40°C °C

Weight

95-145 kg

Mark

VF12, VF24

Current type of control coil

AC, DC

Block pins

Armoured glass

Control coil voltage

110-220 V

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

Type of climatic version according to GOST 15150-69

Note: All specifications are provided by the manufacturer and may be subject to change. Please contact us to confirm the latest specifications before placing your order.

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Delivery & Payment

Shipping Terms

FOB Novorossiysk, Russia CIF Available to major ports worldwide EXW Manufacturer's facility, Russia

Delivery Time

Sea freight: 30-60 days (depending on destination) Air freight: 14-21 days (for urgent orders)

Payment Methods

Letter of Credit (L/C) Wire Transfer (T/T) Escrow Services

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VF Series Vacuum Circuit Breakers for Reliable Protection in 10kV and 24kV Networks

Description

Specifications

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