ZW32-12KQ Type Primary And Secondary Full Fusion Column Vacuum Circuit Breaker
ZW32-12/KQ type primary and secondary full fusion column vacuum circuit breaker (hereinafter referred to as circuit breaker) is the latest generation of products developed by our company according to the requirements of the national grid primary and secondary fusion complete set of column switches. The circuit breaker meets the requirements of the national grid primary and secondary fusion set of column switches, the secondary FTU and voltage and current sensor, power module, electronic sensor and primary vacuum interrupter and operating mechanism and other components, all integrated in the circuit breaker, with simple structure, reasonable layout, complete functions, excellent performance, high reliability advantages. All the indexes of the circuit breaker meet the requirements of the national grid's primary and secondary fusion complete set of column switches. The circuit breaker adopts unified parameter set phase sequence and zero sequence voltage. Phase sequence, zero sequence current and power taking integrated sensor pouring integrated pole, with a wide measuring range, high measurement accuracy, high reliability, measurement, power supply, protection three in one characteristics,FTU adopts the whole life design scheme, the real integration between the primary and secondary integration, due to the reduction of the original primary and secondary feeder connection, reliability is improved. This product combines modern Internet of Things and big data, with "four remote" function, self-test function and remote monitoring and maintenance function, can complete fault detection and reporting in real time, can save a lot of manpower and material resources and time cost for operation and maintenance units, and can effectively reduce the power failure time for users in the case of failure.
Description
Baoding Sihedan Electric Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of zw32-12kq type primary and secondary full fusion column vacuum circuit breaker in China. With abundant experience, we warmly welcome you to buy cheap zw32-12kq type primary and secondary full fusion column vacuum circuit breaker from our factory. Quality products and low price are available.
Products Description
Introduction
DKLINE ZW32-12KQ vacuum circuit breakers are engineered for power sampling, fault isolation, and seamless primary and secondary integration in smart distribution networks. Built with national technical patents, advanced circular ceramic capacitors for 12 power-taking channels (expandable to 15) and 6 current sampling channels, and a bistable double-coil repulsion magnetic drive mechanism, these breakers deliver fast, synchronous breaking to reduce pulling arcs and current impacts. Featuring an integrated waterproof and anti-EMI FTU, medium-voltage online carrier technology, an automated battery heating system below 0°C, and handheld APP control, the system achieves a controller fault detection response time of 2.64ms and a complete fault removal time of 11.68ms to prevent voltage dips and "fault crossing" across all regions and climates.
characteristics

DKLINE Vacuum circuit breaker
Product advantage

Parameters
DKLINE Vacuum circuit breaker
Reference standard
GB/T11022 《High Voltage Switchgear and control equipment standard common technical requirements》
GB/T1984 《High Voltage AC Vacuum Circuit Breaker》
IEC62271-100 《High Voltage AC Vacuum Circuit Breaker》
GB/T20840.2 《Transformers - Part 2: Supplementary technical requirements for current transformers》
GB/T20840.7 《Transformers - Part 7: Electronic voltage transformers》
GB/T20840.8 《Transformers - Part 8: Electronic current transformers》
Full set quality control plan to confirm the quality;
ISO 9001, ISO 14001 and ISO 18001 factor;
DKLINE Vacuum circuit breaker
Environmental conditions of use
Ambient air temperature: -40° C ~+70° C, daily temperature difference of 25° C;
Altitude: no more than 5000 meters;
Wind pressure: not more than 700Pa (equivalent to wind speed 35m/s);
Air pollution level: IV;
Earthquake intensity: not more than 8 degrees;
Installation place: no inflammable, explosive danger, chemical corrosion or violent vibration place.
Sensor parameters
|
Serial number |
Name |
Unit |
Parameters |
|
1 |
Rated voltage |
kV |
12 |
|
2 |
Rated frequency |
Hz |
50 |
|
3 |
Rated current |
A |
630 |
|
4 |
Rated phase voltage ratio |
(10/√3)kV/(3.25/√3)kV |
|
|
5 |
Zero-sequence voltage rated transformation ratio |
(10/√3)kV/(6.5/√3)kV |
|
|
6 |
Phase voltage accuracy grade |
0.5(3P) |
|
|
7 |
Zero-sequence voltage accuracy class |
1(3P) |
|
|
8 |
Rated voltage load |
MΩ |
2 |
|
9 |
Rated voltage factor |
1.2Un continuous, 1.9Un(8h) |
|
|
10 |
Rated phase current ratio |
600A/1V |
|
|
11 |
Zero-sequence current rated transformation ratio |
20A/0.2V |
|
|
12 |
Phase current accuracy grade |
0.5S(5P10) |
|
|
13 |
Zero-sequence current accuracy class |
1(10P30) |
|
|
14 |
Rated current load |
kΩ |
20 |
|
15 |
Phase voltage capacitor takes power from the rated power |
W |
12 |
|
16 |
The maximum number of available power modules |
Each |
3 |
Electrical performance parameters
|
Serial number |
Name |
Unit |
Parameters |
|
|
1 |
Rated voltage |
kV |
12 |
|
|
2 |
Rated insulation level |
kV |
42 |
|
|
kV |
75/85(fracture) |
|||
|
3 |
Rated frequency |
Hz |
50 |
|
|
4 |
Rated current |
A |
630 |
|
|
5 |
Rated short-circuit breaking current |
kA |
12.5 |
|
|
6 |
Rated dynamic stable current |
kA |
50 |
|
|
7 |
Short-term thermal current |
kA |
20 |
|
|
8 |
Short-time thermal current time |
S |
3 |
|
|
9 |
Rated short circuit breaking current breaking times |
next |
30 |
|
|
10 |
Secondary circuit voltage |
V |
DC24V~28V |
|
|
11 |
Mechanical life |
next |
10000 |
|
|
12 |
The secondary circuit has a 1-minute power frequency withstand voltage |
V |
2000 |
|
|
13 |
The allowable wear thickness of the moving and static contacts |
mm |
3 |
|
|
14 |
Contact opening distance |
mm |
9±1 |
|
|
15 |
Inter-polar central distance |
mm |
340 |
|
|
16 |
Altitude |
m |
<5000 |
|
|
17 |
Weight |
kg |
123 |
|
DIMENSION

Schematic diagram of double-pole installation of vacuum circuit breaker

Schematic diagram of single-pole installation of vacuum circuit breaker

Products Overview

Characteristics
Integrating advanced power-sampling ceramic capacitors and a bistable magnetic-actuated drive, this outdoor column vacuum circuit breaker boasts a highly streamlined direct-acting mechanism compared to traditional spring breakers, reducing internal components from over 100 to under 40 and significantly lowering mechanical failure risks. Built with national technical patents and certified to IEC 62271-100 standards, the breaker features a rated voltage of 12kV, 630A rated current, and 12.5kA short-circuit breaking capacity, providing exceptional insulation performance and 10,000-cycle mechanical durability across extreme temperatures from -40°C to +70°C and altitudes up to 5,000 meters.
This product is engineered for smart 12kV distribution networks requiring high-precision telemetry, remote grid management, and severe weather resistance. Where rapid fault isolation and intelligent automation are required, its integrated FTU and medium-voltage online carrier technology provide a far superior solution than conventional switchgear-achieving fault detection within 2.64ms and total clearing in 11.68ms to instantly eliminate power dips and prevent "fault crossing" without site visits.
About Us

Baoding Sihedan Electric Technology Co., Ltd.
Founded by two industry experts with over 20 years of experience, Sihedan Electric Technology Co., Ltd. was established to advance power system development and transmission & distribution line solutions. Soon after, we launched our comprehensive portfolio-spanning high-voltage switchgear, advanced insulation systems, line fittings, and grid protection-establishing a recognized benchmark for reliability across the global energy sector. Having executed projects in over 50 countries, we have built strong, stable partnerships with clients around the globe, including in Kenya, Morocco, Egypt, and beyond.
Frequently Asked Questions
Q: What is the MOQ?
A: There are no MOQ limit in first order, and 100pcs in further.
Q: Samples providing?
A: We are providing the samples by free, but need pay for the freight charge.
Q: EPC material design and provide in lot?
A: Yes, we are supplying for LV and MV EPC material in lot many years.and have strong design team.
Q: Complete documents for tender?
A: Yes, whole set documents ready for submit.
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