Available for Import

Vacuum circuit breakers VF12, VF24

High Voltage AC Switches

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Bulk pricing available

FOB, CIF & EXW terms available

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Key Highlights

Made in Russia - engineered for durability
Suitable for challenging environments
Lower cost of ownership than European alternatives
Bulk orders available with volume discounts
Documentation and customs clearance assistance provided

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 pc

Mechanical life (number of B-TP-O cycles) for switches 2000; 2500; 3150 A, not less than 10000 pc

Switching life (number of cycles B-TP-O) at rated current for circuit breakers 630; 800; 1000; 1250; 1600 A, not less 10000-30000 pc

Switching life (number of cycles B-TP-O) at rated current for circuit breakers 2000; 2500; 3150 A, not less 10000 pc

Switching life (number of cycles ?- tP-O) at rated tripping current, not less than 25-50 pc

Service life before decommissioning, not less 30 a

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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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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Vacuum circuit breakers VF12, VF24

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Description

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