Column Vacuum Circuit Breaker

ZW32-12 series outdoor column vacuum circuit breaker (hereinafter referred to as circuit breaker) is distribution equipment of three-phase alternative current 50Hz which voltage rated at 12kV,it's mainly used for breaking and making load current, overload current, and short-circuit current in power system.It's suitable for use as protection and control in urban and rural power network, more suitable for places where are frequently operated.

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Column Vacuum Circuit Breaker for Medium-Voltage Switching

Column Vacuum Circuit Breaker is presented for medium-voltage switching and protection projects. The authenticated supplier source provides product-specific construction notes and technical rows where published; use the exact model and installation duty for final selection.

Product family: Vacuum switching
Installation duty: Medium voltage
Model reference: Column
Final rating: Confirm by drawing

The page keeps the supplier’s model identity and source tables where available. Confirm the applicable IEC/GB standard, rated voltage, current, breaking capacity and project acceptance documents before ordering.

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Published technical data

Column Vacuum Circuit Breaker Technical Parameters

Use the source data below as the starting point for engineering review. Keep voltage class, continuous current, short-circuit duty, operating mechanism and installation environment together when selecting a breaker.

Published source table 1

Tensión nominal	kV	12
1 min rated power-frequency withstand voltage	kV	Phase to phase:42 Phase to ground:42 Fracture:48
Rated lightning impulse withstand voltage (peak value)	kV	Phase to phase:75 Phase to ground:75 Fracture:85
Corriente nominal	A	630
Rated frequency	Hz	50
Rated short-circuit breaking current	KA	12.5 16 20
Rated short-circuit making current(peak value)	kA	31.5 40 50
Rated peak withstand current	kA	31.5 40 50
4s rated short-circuit withstand current	KA	12.5 16 20
Rated operation sequence		open-0.3s-close open-180s-close open
Closing time	ms	25~60
Opening time	ms	20~55
Rated short-circult breaking current breaking times	times	30
Mechanical life	times	10000
Second-time circuit 1 min power-frequency withstand voltage	V	2000
Rated power of energy storoge motor	W	40
Rated voltage of energy storage motor	V	DC220, 110
Rated closing operation voltage	V	DC220, 110 AC220
Rated opening operation voltage	V	DC220, 110 AC220
Motor energy storage time	s	≤8

Published source table 2

Contact travel	mm	9±1
Contact ultra travel	mm	2±0.5
Central distance of interphase	mm	340±1.5
Contact bouncing time on closing	ms	≤ 2
Three-phase non-synchronous opening and closing	ms	≤2
Average opening speed	m/s	1.2±0.2
Average closing speed	m/s	0.6±0.2
Conductive circuit resistance on each phase	μΩ	≤ 80

Values shown are transcribed from the target listing where the authenticated source publishes them. Confirm the exact model row, unit, test condition and revision before using any value in a purchase specification.

Lista de verificación de selección

Specify the Vacuum Circuit Breaker for the Network

Define the electrical duty. State rated voltage, continuous current, frequency, short-circuit breaking current, making current and insulation levels.
Choose the construction. Confirm outdoor or indoor installation, common-box or pole-mounted arrangement, vacuum interrupter and insulation medium.
Match the operating mechanism. Specify manual, motor or stored-energy operation, trip/close coil voltage, auxiliary contacts and control interface.
Check the site environment. Provide altitude, ambient temperature, humidity, pollution, wind, seismic and enclosure requirements.
List documents and quantity. Include drawings, wiring diagram, routine-test evidence, packing, destination market and delivery requirements in the RFQ.

Configuration and supply boundary

Review the Column Configuration

The supplier listing identifies a vacuum-circuit-breaker model family. State the exact model code and switching arrangement so the quotation does not mix ratings or accessories from another series.

Electrical parameters

Confirm rated voltage, current, frequency, short-circuit duty, insulation levels and operating sequence.

Mechanism and controls

Specify stored-energy mechanism, motor and coil voltages, auxiliary contacts, interlocks and local/remote control.

Structure and environment

Confirm pole arrangement, insulation housing, enclosure, altitude, temperature, pollution and installation interface.

Commercial boundary

Quantity, packing, delivery schedule, private label and project documents remain subject to technical review and quotation.

Taller de producción expuesto en FUERTE Acerca de nosotros

Entorno de pruebas mostrado en FUERTE Acerca de nosotros

Escala de la empresa

Fuerte a primera vista

FUERTE menciona el año 1985 como su año de fundación, 220 empleados y una superficie construida de 36.000 m². Estas cifras publicadas por los proveedores proporcionan contexto para la fabricación y el apoyo a los proyectos.

Operaciones en fábrica
Test y inspección
Suporte a la exportación

1985

Fundada en

Supplier-published company history

220+

Empleados

Published workforce scale

36,000 m²

Área construida

Published manufacturing footprint

OEM

Suporte a ODM

Subject to technical review

Sobre FUERTE

Capacidad de OEM y ODM

Custom Support for Vacuum-Breaker Projects

FUERTE’s published OEM and ODM scope includes voltage/current adaptation, mounting hardware, nameplates, packaging and shipping marks.

Electrical configurationReview voltage class, current rating, insulation levels and service conditions.
Mechanical interfaceConfirm pole structure, operating mechanism, fittings and mounting dimensions.
Project documentationState drawings, wiring, marking, packing, shipping marks and acceptance-document requirements before quotation.

Preguntas frecuentes

Column Vacuum Circuit Breaker FAQ

Which values should be matched first?

Start with rated voltage, continuous current, short-circuit breaking capacity, insulation levels, operating sequence and installation environment.

Are ratings interchangeable between vacuum-breaker series?

No. Confirm the exact model code and source table. Do not transfer ratings, dimensions or accessories from a similar-looking series.

Can the controls and fittings be customized?

FUERTE publishes adaptation of mounting hardware and project specifications as an OEM/ODM scope. Availability depends on technical review.

¿Qué debería incluirse en una solicitud de presupuesto?

State model, rated voltage, current, breaking duty, mechanism and coil voltages, mounting interface, quantity, destination and required documents.

Revisión de la configuración

Send the Column Requirements

Provide rated voltage, current, breaking duty, insulation levels, mechanism, dimensions, mounting details, quantity, destination market and required documents.

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