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outdoor high voltage circuit breaker exporter
outdoor high voltage circuit breaker exporter
Model No: ZW32-12G

ZW32-12G 12kV Outdoor Vacuum Circuit Breaker

CANGO is a 12kV outdoor vacuum circuit breaker supplier for substations, industrial distribution and rural grids. Send rated data for quotation.
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CANGO Product Detail

ZW32-12G 12kV Outdoor Vacuum Circuit Breaker

Medium-Voltage Switchgear for B2B Electrical Projects
ZW32-12G 12kV Outdoor Vacuum Circuit Breaker is supplied for substation feeder protection and control. CANGO reviews rated data, drawings, quantity, destination, and configuration notes before quotation.
Model
ZW32-12G
Category
Medium-Voltage Switchgear
Application
Substation feeder protection and control
Supply Type
Project quotation and technical support

Product Overview

ZW32-12G is a 12 kV, three-phase 50 Hz outdoor vacuum circuit breaker for opening and closing load, overload, and short-circuit currents in distribution systems. It is intended for substations, industrial and mining power networks, and rural grids where outdoor equipment may operate frequently.

The breaker uses a spring operating mechanism and can be supplied with a disconnector. When paired with a compatible controller, it can form an automatic reclosing solution with remote control, telemetry, and signalling functions for distribution automation.

EPC contractors, utilities, electrical distributors, and project buyers should confirm rated current, short-circuit breaking current, operating voltage, controller functions, installation arrangement, and local service conditions. CANGO reviews the project data and required accessories before quotation.

Environmental Conditions for Use

  • Ambient air temperature: -40 degC to +40 degC
  • Altitude:<= 3000 m
  • Wind pressure: <= 700 Pa, equivalent to a wind speed of 34 m/s
  • Air pollution level: not exceeding Class IV
  • Ice coating thickness: <= 10 mm
  • Installation location: free from fire, explosion hazard, chemical corrosion, and severe vibration

Model and Meaning

  • ZW: outdoor vacuum circuit breaker
  • 32: design sequence number
  • 12: rated voltage, kV
  • T: spring operating mechanism
  • 630: rated current, A
  • 20: rated short-circuit breaking current, kA
  • G: with disconnector
  • S / D: manual operation / motorized operation

Key Features

01

12kV Outdoor Switching

ZW32-12G: Designed to open and close load, overload, and short-circuit currents in three-phase 50 Hz outdoor distribution systems. This point is especially relevant to spring-operated outdoor breaker with optional disconnector and controller integration.
02

Spring Operating Mechanism

The T designation identifies the spring operating mechanism used for circuit-breaker operation. For ZW32-12G, check this together with the selected project scheme.
03

Controller Integration

A compatible controller can add reclosing and remote control, telemetry, and signalling functions for distribution automation. On ZW32-12G, confirm the application duty, site layout, and project standard before selection.
04

Disconnector Option

The G configuration includes a disconnector for the selected outdoor feeder arrangement. Use the ZW32-12G drawings and rated data to confirm this point before quotation.
05

Frequent-Operation Duty

The product sheet identifies substations, industrial systems, and rural grids with frequent operation as typical applications. For ZW32-12G, review this with spring-operated outdoor breaker with optional disconnector and controller integration and the final installation plan.

Technical Specifications

ZW32-12G Technical Parameter Table
Review the ZW32-12G values, units, rated data, and project requirements before quotation.
ItemUnitData
Rated voltagekV12
Rated insulation level1 min power-frequency withstand voltageDry: to earth / phase-to-phase / across open contactskV42 / 42 / 48
Wet: to earthkV34
Lightning impulse withstand voltage (peak)To earth / phase-to-phase / across open contactskV75 / 75 / 85
Rated frequencyHz50
Rated currentA630
Rated short-circuit breaking currentkA12.5 / 16 / 20
Rated short-circuit making current (peak)kA50
Rated peak withstand currentkA50
4 s rated short-time withstand currentkA20
Rated operating sequenceO-0.3s-CO-180s-CO
Closing time / opening timems25-50 / 15-50
Rated short-circuit breaking operationsoperations30
Mechanical enduranceoperations10000
1 min power-frequency withstand voltage of control and auxiliary circuitsV2000
Rated operating voltage and auxiliary-circuit rated voltageVDC 220 / AC 220
Overcurrent releaseRated currentA5
Tripping-current accuracy%+/-10

Installation Dimensions / Drawing

ZW32-12G 12kV outdoor vacuum circuit breaker outline and installation dimensions
ZW32-12G outline and installation drawing showing side, sectional, and front views with phase spacing, overall dimensions, and mounting-hole references.

Applications

ZW32-12G is mainly selected for substation feeder protection and control and industrial and mining power distribution systems. The final application should match the confirmed spring-operated outdoor breaker with optional disconnector and controller integration, rated data, and site installation conditions.
  • Substation feeder protection and control
  • Industrial and mining power distribution systems
  • Rural distribution networks with frequent switching
  • Pole-mounted outdoor distribution automation projects

Customization Options

Operating Method

Confirm manual or motorized spring operation according to the feeder-control scheme. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Disconnector

State whether the G configuration with disconnector is required for the installation. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Automation Controller

Provide reclosing, remote control, telemetry, signalling, and communication requirements. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Installation Arrangement

Confirm pole, support, phase spacing, cable interface, and final installation drawing. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Controller and Reclosing Functions

Automation Interface

A compatible controller can be reviewed for reclosing, remote control, telemetry, signalling, and feeder automation. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Control Supply

Confirm DC 220 V or AC 220 V operating and auxiliary-circuit supply together with the controller interface. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Protection and Switching Duty

Short-Circuit Rating

Select 12.5 kA, 16 kA, or 20 kA short-circuit breaking duty according to the network calculation. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Operating Sequence

Confirm the O-0.3s-CO-180s-CO operating sequence and required protection coordination. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Pole-Mounted Installation

Outline Review

Use the extracted outline drawing to check phase spacing, overall dimensions, support points, and mounting holes. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Site Conditions

Check altitude, wind pressure, pollution level, ice thickness, and local clearances before installation. Apply this review to ZW32-12G and its spring-operated outdoor breaker with optional disconnector and controller integration.

Ordering Instructions / Information Required for Quotation

ForZW32-12G, send rated current, short-circuit breaking current, operating method, disconnector, controller functions, pole arrangement, and site conditions, quantity, destination, and the expected delivery schedule. The engineering review will be based on the selected spring-operated outdoor breaker with optional disconnector and controller integration and project drawing.

ORDERING INSTRUCTIONS

  • Confirm rated current and the required rated short-circuit breaking current.
  • State whether manual or motorized spring operation, a disconnector, and a distribution-automation controller are required.
  • Provide the pole or support arrangement, installation altitude, ambient conditions, and pollution level.
  • Provide quantity, destination country, applicable standard, documentation, and delivery requirements.

Technical Support & Documentation

FAQ

What applications is ZW32-12G used for?
ZW32-12G is used for Substation feeder protection and control, Industrial and mining power distribution systems, Rural distribution networks with frequent switching. The final selection should match the project voltage, current, circuit arrangement, and installation conditions.
Which buyers commonly source ZW32-12G?
utilities, EPC contractors, electrical distributors, rural-grid contractors, and industrial project buyers commonly use this product for project-based electrical distribution, installation, replacement, or system expansion work.
Which rated voltage or current should be confirmed for ZW32-12G?
Confirm the rated voltage, rated current, short-circuit level, frequency, protection level, and configuration shown in the technical specifications before quotation.
CanZW32-12G be configured for a specific project?
Yes.CANGO can review project-specific configurations according to drawings, rated data, protection requirements, component requirements, and site conditions before quotation.
Which standards should be confirmed?
Applicable standards depend on the project and destination market. State IEC, local utility, component, testing, or documentation requirements in the inquiry.
What installation information is required?
ZW32-12G should be matched with the final project drawing and outline data before installation. Send the cabinet scheme or layout requirement for review.
What information is needed for quotation?
For quotation, send rated voltage and rated current, required short-circuit breaking current, manual or motorized spring operating mechanism, disconnector and controller requirements, quantity, project country, delivery requirement, and any special component or environmental requirements.
How is delivery time confirmed for ZW32-12G?
Delivery time depends on the confirmed configuration, quantity, component selection, documentation requirement, and production schedule. Share the project deadline during inquiry.

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Contact / Inquiry CTA

Send project data for ZW32-12G. The fields below are the recommended information for quotation and technical review.
Use the buttons below to send the project request by email or open the contact page. If you have drawings, attach the file in the email or share a file link in the message.

Request Quotation for ZW32-12G

This is project-based power distribution equipment. Share the single-line diagram, rated data, cabinet arrangement, quantity, and destination, and CANGO will review the configuration before quotation.