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Model No: ZW32-12MG/630

ZW32-12MG/630 12kV Permanent-Magnet Outdoor Vacuum Circuit Breaker

CANGO is a permanent magnet vacuum circuit breaker supplier for 12kV pole-mounted distribution projects. Send rated data and drawings for quotation.
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CANGO Product Detail

ZW32-12MG/630 12kV Permanent-Magnet Outdoor Vacuum Circuit Breaker

Medium-Voltage Switchgear for B2B Electrical Projects
ZW32-12MG/630 12kV Permanent-Magnet 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
ZW32-12MG/630
Category
Medium-Voltage Switchgear
Application
Substation feeder protection and control
Supply Type
Project quotation and technical support

Product Overview

ZW32-12MG/630 is a 12 kV, three-phase 50 Hz permanent-magnet outdoor vacuum circuit breaker for opening and closing load, overload, and short-circuit currents. It is used in substations, industrial and mining distribution systems, and rural networks requiring frequent outdoor switching.

Its compact, lightweight construction is designed for resistance to condensation and reduced maintenance in demanding climates and polluted environments. The permanent-magnet operating mechanism provides holding force in both open and closed positions, reducing mechanical parts and shortening the transmission chain to support operating reliability and mechanical life.

Utilities, EPC contractors, electrical distributors, and project buyers should provide the short-circuit level, control and protection requirements, pole arrangement, service conditions, quantity, and destination. CANGO reviews the required measurement and protection control box, accessories, and installation drawing before quotation.

Environmental Conditions for Use

  • Ambient air temperature: -45 degC to +40 degC
  • Relative humidity: daily average <= 90%; monthly average <= 90%
  • Altitude:<= 3000 m; when the altitude is increased, the rated level should be increased accordingly
  • Air pollution level: not exceeding Class IV
  • Installation location: free from flammable or explosive hazards, chemical corrosion, and severe vibration

Model and Meaning

  • ZW: outdoor vacuum circuit breaker
  • 32: design sequence number
  • 12: rated voltage, kV
  • 630: rated current, A
  • 20: rated short-circuit breaking current, kA
  • M: permanent-magnet operating mechanism

Key Features

01

Permanent-Magnet Operation

ZW32-12MG/630: The M designation identifies a permanent-magnet operating mechanism that holds the breaker in the open or closed position. This point is especially relevant to permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.
02

Reduced Mechanical Chain

Fewer mechanical parts and a shorter transmission chain support operating reliability and mechanical endurance. For ZW32-12MG/630, check this together with the selected project scheme.
03

Compact Outdoor Design

The product sheet identifies compact size, low weight, condensation resistance, and reduced maintenance as design characteristics. On ZW32-12MG/630, confirm the application duty, site layout, and project standard before selection.
04

Control-Box Integration

The installation arrangement can incorporate a measurement and protection control box for feeder monitoring and protection. Use the ZW32-12MG/630 drawings and rated data to confirm this point before quotation.
05

Adverse-Site Capability

The specified service conditions cover low temperature, high altitude, humidity, and Class IV pollution environments. For ZW32-12MG/630, review this with permanent-magnet outdoor breaker with pole-mounted control and protection arrangement and the final installation plan.

Technical Specifications

ZW32-12MG/630 Technical Parameter Table
Review the ZW32-12MG/630 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: external insulation 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)kA31.5 / 40 / 50
Rated peak withstand currentkA31.5 / 40 / 50
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

ZW32-12MG/630 permanent-magnet outdoor vacuum circuit breaker pole installation and outline dimensions
ZW32-12MG/630 single-pole and double-pole installation arrangements with outline dimensions for project layout review.

Applications

ZW32-12MG/630 is mainly selected for substation feeder protection and control and industrial and mining distribution networks. The final application should match the confirmed permanent-magnet outdoor breaker with pole-mounted control and protection arrangement, rated data, and site installation conditions.
  • Substation feeder protection and control
  • Industrial and mining distribution networks
  • Rural distribution systems with frequent operation
  • Single-pole or double-pole outdoor feeder installations

Customization Options

Control and Protection

Confirm protection, measurement, communication, reclosing, and permanent-magnet control requirements. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Pole Arrangement

Provide the required single-pole or double-pole installation arrangement and mounting details. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Voltage Transformer

State whether the installation requires the voltage transformer shown in the reference arrangement. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Auxiliary Supply

Confirm DC 220 V or AC 220 V operating and auxiliary-circuit voltage. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Permanent-Magnet Operating System

Holding Principle

The permanent magnet provides holding force in both the open and closed positions. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Mechanical Arrangement

Reduced mechanical parts and a shorter transmission chain support reliability and mechanical life. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Protection and Control Interface

Control Box

Confirm the measurement and protection control box, communication, power supply, and protection logic. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Protection Duty

Select 12.5 kA, 16 kA, or 20 kA short-circuit breaking duty according to the feeder study. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Pole-Mounted Installation

Installation Scheme

Review the single-pole or double-pole arrangement, source side, load side, voltage transformer, and support structure. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Outline Review

Use the extracted drawing to confirm phase spacing, dimensions, mounting holes, and site clearances. Apply this review to ZW32-12MG/630 and its permanent-magnet outdoor breaker with pole-mounted control and protection arrangement.

Ordering Instructions / Information Required for Quotation

ForZW32-12MG/630, send short-circuit level, permanent-magnet control, protection and measurement functions, auxiliary supply, pole arrangement, and site conditions, quantity, destination, and the expected delivery schedule. The engineering review will be based on the selected permanent-magnet outdoor breaker with pole-mounted control and protection arrangement and project drawing.

ORDERING INSTRUCTIONS

  • Confirm rated current and the required rated short-circuit breaking current.
  • Provide permanent-magnet control, protection, measurement, communication, and auxiliary-power requirements.
  • Provide the single-pole or double-pole installation arrangement and state whether a voltage transformer and control box are required.
  • Provide site conditions, quantity, destination country, applicable standard, and delivery requirements.

Technical Support & Documentation

FAQ

What applications is ZW32-12MG/630 used for?
ZW32-12MG/630 is used for Substation feeder protection and control, Industrial and mining distribution networks, Rural distribution systems with frequent operation. The final selection should match the project voltage, current, circuit arrangement, and installation conditions.
Which buyers commonly source ZW32-12MG/630?
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 ZW32-12MG/630?
Confirm the rated voltage, rated current, short-circuit level, frequency, protection level, and configuration shown in the technical specifications before quotation.
CanZW32-12MG/630 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?
ZW32-12MG/630 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, rated current, and short-circuit level, permanent-magnet control and auxiliary-power requirements, protection, measurement, communication, and control-box requirements, single-pole or double-pole installation arrangement, quantity, project country, delivery requirement, and any special component or environmental requirements.
How is delivery time confirmed for ZW32-12MG/630?
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 ZW32-12MG/630. 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 ZW32-12MG/630

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.