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VBF OUTDOOR VACUUM CIRCUIT BREAKER 36kV

PRODUCT INFORMATION

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Salient Features

Designed and type tested as per IEC-60056/ IS:13118

Vacuum Interruption Porcelain clad live tank construction Suitable for outdoor substations &

safety from fire hazards High mechanical endurance due to

robust mechanism High electrical endurance due to

short arcing time and rapid di-electric recovery

Front view

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Salient Features

Easy to install. Structure mounted. Option to extend structure for

instrument transformers Complete breaker shipped as one

single unit. Can be shipped in knocked down kits also.

Front view with front door open

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Salient Features

Pole chamber filled with SF6 or Nitrogen gas to prevent condensation

Suitable for autoreclosure duty cycle of O-0.3sec-CO-3min-CO and CO-15s-CO

For greater safety and reliability Option of 200kVp basic insulation

level Option of two trip coils

Cross-section of pole part

Top terminal

Arc chamberinsulatorVacuum Interrupter

Bottom terminal

Insulating rod

Support insulator

Bottom crank housing

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Construction

Negligible maintenance Vacuum interruptors inside hermetically sealed porcelain insulators 3 poles mounted on common duct, common drive for 3 poles Operating mechanism and electrical accessories in weather proof steel cabinet Cabinet mounted on steel structure

Rear view with back cover open

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Operating Mechanism

High operational reliability Simple and robust design O-C-O operation without recharging Closing spring charged by motor in less than 15 secs Mechanical / Electrical antipumpingSuitable for high speed auto reclosing

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Operating Mechanism

Manual tripping and closing arrangementProvision for manual charging Mechanical ON-OFF and SPRING CHARGED indication Closing / tripping coil and spring charging motor voltage range: 24 to 250V DC, 110 to 230V AC

Optional items available 12 NO + 12 NC auxiliary switch (Standard version: 6 NO + 6 NC) Additional tripping solenoid

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TECHNICAL DETAILS

Description Unit Rating

Voltage kV 36

Current A 1600

Breaking capacity kA 26.3

Short time withstand current (3 secs) kA 26.3

Peak withstand current kAp 66

Insulation level kVrms/kVp 70/ 170*

Operating sequence - O-3min-CO-3min-CO/ O-0.3secs-CO-3min-CO

Weight (approx.) kg 800

* 200kVp available on request

TECHNICAL DETAILS

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General Arrangement Drawing VBF

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Industrial IT

Industrial IT - Information architecture for seamlessly linking multiple applications and systems in real time

Efficient integration in a system Plug and produce mode Integral tools for efficient installation, operation and

maintenance throughout product life cycle

The VBF circuit breaker complies with the ABB Industrial IT architecture - level 0

All product information can be provided in an interactive electronic format, compatible with ABB Aspect Object Technology

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Applications

Switching and protection Distribution networks Capacitor switching Switching unloaded transformers

and reactors

Suitable for Frequent switching duties Rapid auto-reclosing Arc furnace duty