VF Series Vacuum Circuit Breakers for 10kV and 24kV Networks — ELTEHNIKA OJSC

Name: VF Series Vacuum Circuit Breakers for 10kV and 24kV Networks
Brand: ELTEKHNIKA
SKU: 176371
Availability: InStock

Brand: ELTEKHNIKA

$1,800 - $8,400 USD

MOQ: 1 pieces

Key Features

Rated current: 630...4000 A

Nominal voltage: 10, 20 kV

mass: 95-145 kg

Highest operating voltage: 12, 24 kV

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 A

Nominal voltage

10, 20 kV

mass

95-145 kg

Highest operating voltage

12, 24 kV

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 U_nom %

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

65–120 / 70–110% of U_nom %

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

85–110% of U_nom %

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

from minus 40 to plus 40°C °C

depth

442...740 mm

width

440...878 mm

height

558...775 mm

brand

VF12, VF24

Current type of control coil

alternating, direct

Block pins

yes

Control coil voltage

110-220 V

poles

the pole body is a molded structure made of dielectric materials. Inside the pole is a VDK. The pole's contact leads are connected to the corresponding VDK contacts.

drive

spring actuator, independent action, using mechanical energy of a pre-tensioned spring.

connection

stationary, pull-out, motorized

Degree of protection according to GOST 14254-96

IP4X

Control circuit current type

alternating, direct

Availability of built-in controls

yes

Type of climatic version according to GOST 15150-69