10KV 12KV Vacuum Circuit Breaker 3 Pole Fixed Type VCB for Medium Voltage Switchgear Electrical Panel #2

(ZN63)VS1-12 indoor high voltoge handcart vacuum circuit breaker is applied to 7.2KV~12KV, three-phase, AC50Hz/60Hz. It is applicable in occasions with frequent operations, acting to protect and control line and electric apparatus.

The product conforms to IEC62271-100, GB1984. It can be used in KYN28A-12 and other center-mounted handcart switchgears.

The fixed type could also be used in the XGN series fixed switchgear.

Inquire Now WhatsApp
Categories: , , , , , , , ,

Vacuum Circuit Breaker Technical parameters

Main technical parameters
Item name Unit Data
Rated Voltage kv 12
Rated Short-Time Working Frequency Withstand Voltage(1 Min) kv 42
Rated Lightning Shock Withstand Voltage(Peak) kv 75
Rated Frequency Hz 50
Rated Current A 630 1250 1600.2000.2500. 3150.4000
Rated Short Circuit Breaking Current KA 25 31.5 40
Rated Short Time Withstand Current KA 25 31.5 40
Rated Short Circuit Duration S 4 4 4
Rated Peak Withstand Current KA 63 80 100
Rated Short Circuit Closing Current KA 63 80 100
Secondary Circuit Power Frequency Withstand Voltage(1Min) V 2000
Rated Single/Back-To-Back Capacitor Bank Switchgear On And Off Current A 630/400 (40KA is 800/400)
Rated Capacitor Bank Closing Current KA 12.5 (frequency≤1000Hz)
Break-Brake Time ms ≤50
Closing Time ms ≤70
Mechanical Life Times 30000
Wear Thickness Of Dynamic And Static Contacts Is Allowed mm 3
Rated Closing Operating Voltage V AC110/220 DC110/220
Rated Tripping Operating Voltage V AC110/220 DC110/220
Rated Voltage Of Energy Storage Motor V AC110/220 DC110/220
Rated Power Of Energy Storage Motor W 90
Energy Storage Time S ≤15
Contact From mm 9±1
Over Travel mm 3.5±0.5
Contact Closing Bounce Time ms ≤2
Three-Phase Separation And Closing Are Not Of The Same Period ms ≤2
Average Breaking Speed     (Contact Separation-5Mm) m/s 0.9–1.3
Average Closing Speed (5Mm–Contact Closing) m/s 0.6–1.0
Break-Brake Overshoot mm ≤2
Main Circuit Resistance μΩ ≤50(630), ≤45(1000/1250), ≤35(1600/2000), ≤25(2500/3150), ≤20(4000)
Contact Closing Pressure N 3100±200(25-31.5KA) / 4600±2500(40KA)
Operation Sequence O-0.3s-CO-180S-CO

 

Drawing

10kv 12kv vacuum circuit breaker 3 pole fixed type vcb for medium voltage switchgear electrical panel

Related products

12kv 24kv indoor side mounted vacuum circuit breaker high voltage vcb

12Kv 24Kv Indoor Side Mounted Vacuum Circuit Breaker High Voltage VCB

10kv 12kv vacuum circuit breaker 3 pole fixed type vcb for medium voltage switchgear electrical panel

10KV 12KV Vacuum Circuit Breaker 3 Pole Fixed Type VCB for Medium Voltage Switchgear Electrical Panel

fln36 12kv 24kv indoor lbs disconnect switch medium voltage sf6 load break switch

FLN36 Indoor 12kv 24kv LBS Medium Voltage SF6 gas insulated Load Break Switch

33kv 35kv 36kv 630a indoor sf6 gas insulated load break switch lbs

33KV 35KV 36KV 630A Indoor SF6 Gas Insulated Load Break Switch LBS

zn63(vs1) 40.5 indoor ac high voltage vacuum circuit breaker

ZN63(VS1)-40.5 indoor AC high-voltage vacuum circuit breaker

Technical Support & FAQs

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

Why Choose Us

technical support

Technical Support

From pre-sales consultation to after-sales service, we offer end-to-end technical support to maximize your project success. Our experts assist with product selection, system integration, troubleshooting, and maintenance, backed by continuous project tracking to keep your operations smooth and efficient.

customized solutions

Customized Solutions

We specialize in tailor-made solutions for switchgear and components, designed to fit your unique requirements. Our team collaborates closely with you to develop products optimized for performance, efficiency, and reliability—ensuring they excel in your specific application.

quality control

Quality Control

Quality is embedded at every stage. We rigorously test all materials prior to production and monitor manufacturing processes to ensure product stability. Before shipment, each unit undergoes comprehensive electrical, mechanical, and safety performance tests to comply with industry standards.

quick response (2) compressed

Quick Response

Our experienced service team provides 24/7 support year-round. Thanks to streamlined processes and a dedicated staff, we deliver 90% of quotations within 24 hours.

  • WhatsApp

  • Message

    Send Message

  • Email

    Email：niunielec@gmail.com

  • Top
    • Contact Form

    Contact Us Today, We Will Get Back To You Immediately