KYN28-12 Removable Metal-Clad Switchgear
2.Rated Frequency:50Hz
3.Five Safety Interlocks: Blocks circuit breaker errors, live compartment access, and grounding faults.
Applications: Power distribution, motor startups, and grid monitoring.
Compatibility: ABB VD4, VS1 breakers, isolation trucks, and transformers.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
1.KYN28-12 Removable Metal-Clad Switchgear: Reliable Power Distribution Solutions
KYN28-12 Removable Metal-Clad Switchgear is a cutting-edge medium-voltage solution designed for industrial, utility, and infrastructure projects requiring robust electrical control and protection. With a rated voltage of 12kV and compatibility with global standards like IEC 62271, this switchgear ensures safe, efficient power distribution while minimizing downtime risks. Let’s explore why it’s trusted by electric utilities, manufacturers, and contractors worldwide.

2.Technical Specifications
- Rated Voltage: 12kV
- Frequency: 50Hz
- Safety Interlocks: 5-layer protection against circuit breaker errors, live compartment access, and grounding faults.
- Compatibility: Integrates seamlessly with ABB VD4, VS1 circuit breakers, isolation trucks, and transformers.
- Applications: Power plants, grid monitoring, motor startups, and large-scale industrial facilities.
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H( mm )Height (H) mm 2300(2200) |
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w( mm) width (w) mm |
Rated current for branch bus reaches 1250A, with thermaI stabIe current being 40kA |
800 |
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Rated current for branch bus reaches 1600A or above |
1000 |
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D( mm) Depth (D) mm |
CabIe incoming/outgoing wire AeriaI incoming/outgoing wire |
1500 1660 |
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weight(kg) |
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700~1200 |
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Item |
unit |
vaIue |
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Rated voItage (highest operating voItage) |
kv |
12 |
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Rated insuIating IeveI |
1min power frequency withstand voItage |
kv |
42 |
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ImpuIse withstand voItageI |
kv |
75 |
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Rated frequency |
Hz |
50 |
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Rated current of main bus |
A |
630,1250,1600,2000,2500,3150,4000 |
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Rated short-time withstand current(vaIid vaIue) |
kA |
16,20,25,31,5,40 |
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Rated Peak withstand current (peak vaIue) |
kA |
40,50,63,80,100 |
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Degrees of protection |
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IP4X SheII ,IP4XI |
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Item |
unit |
VaIue |
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Rated voItage (highest operating voItage) |
kv |
12 |
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Rated insuIating IeveI |
1min power frequency withstand voItage |
poIes to earth / between open contacts |
kv |
42 |
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48 |
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ImpuIes withstand voItageI |
poIes to earth / between open contacts |
kv |
75 |
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85 |
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Rated frequency |
Hz |
50 |
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Rated current |
A |
630,1250,1600,2000,2500,3150,4000 |
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Rated short-circuit breaking current (vaIid vaIue) |
kA |
16,20,25,31,5,40 |
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4s Ratad short-time withstand current (vaIid vaIue) Rated peak withstand current (peak vaIue) |
kA |
16,20,25,31,5,40 |
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kA |
40,50,63,80,100 |
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ncrease rate for transient recovery voItage |
kv/ms |
0.345,0.415 |
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Peak vaIue for transient recovery voItage |
kv |
20.6,30 |
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Rated operation sequence |
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Trip -0.3s- Close/Trip -3min- Close/Trip o-0.3s- c/o-180s- c/o | ||
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Automatic return-on operation sequence |
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Trip -0.3s- Close/Trip -3min- Close/Trip o-0.3s- c/o-180s- c/o | ||
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MuItipIe-time return-on operation sequence |
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Trip -0.3s- Close/Trip -15s- Close/Trip -15s- Close/Tripc-0.3s-co-15s-co-15s-co |
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cIosing time |
ms |
Approximate70 |
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opening time |
ms |
≤ 45 |
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Arcing time |
ms |
≤ 15 |
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Breaking time |
ms |
≤ 60 |
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3.Key Features & Benefits
1. Enhanced Safety & Reliability
The KYN28-12 Metal-Clad Switchgear includes advanced interlocks to prevent accidental energization, arc-flash incidents, and operator errors. Its arc-resistant design, validated by IEC 62271-200 compliance, protects both equipment and personnel in fault conditions.
2. Flexible Configuration
Whether your project requires single-bus or sectional bus systems, this switchgear adapts to diverse layouts. Modular components enable quick installation and retrofitting, ideal for tight deadlines in infrastructure upgrades.
3. Durability for Harsh Environments
Built to withstand extreme temperatures (-25°C to +55°C), humidity, and dust, the corrosion-resistant enclosure ensures reliable performance in oil & gas, mining, and desert environments.
4. Smart Grid Readiness
IoT-compatible versions feature real-time thermal monitoring and remote diagnostics, reducing maintenance costs and enabling predictive fault detection.
4.Applications
Be used in a wide range of industries.

Industrial Plants
Eliminate power factor penalties in CNC machines and assembly lines while handling surge currents up to 100x rated capacity.

Substation
Stabilizes substation voltage against harmonics and intermittent generation from renewable inverters.

Commercial Buildings
Retrofit aging systems in hospitals or malls with silent (<45dB), flame-retardant capacitors that meet NFPA 70 fire codes.
5.Manufacturing & Quality Assurance
Our KYN28-12 Removable Metal-Clad Switchgear is produced in ISO 9001-certified facilities using precision welding and robotic assembly. Rigorous testing includes:
- Dielectric Tests: 42kV power frequency withstand voltage.
- Mechanical Endurance: 10,000+ operation cycles.
- Material Quality: Stainless steel components with IP54 protection.
6.Why Choose Us?
- R&D Expertise: Developed with patented technologies from China’s 863 Program.
- Sustainability: Eco-friendly manufacturing aligned with ISO 14001 standards.
- 24/7 Support: Rapid spare parts delivery and on-site troubleshooting.



7.FAQ
1. Does this switchgear comply with European grid standards?
Yes, it meets IEC 62271 certification.
2. How does it integrate with ABB VD4 circuit breakers?
Pre-configured compartments ensure seamless compatibility for enhanced reliability.
3. What maintenance is required?
Annual inspections and thermal scans are recommended; our team provides tailored schedules.
4. Can it handle high short-circuit currents?
Yes, premium models support up to 50kA breaking capacity.
8.Contact Us
Email our experts at xaxd_electric@163.com for quotes, technical drawings, or project consultations.
Trusted by utilities and industries globally, the KYN28-12 Removable Metal-Clad Switchgear combines innovation, safety, and adaptability. Let us power your next project with confidence.
9.Factory Show


10.Equipment Display

11.Application Cases
State Grid systems, power engineering, steel and metallurgy, petrochemicals, rail transportation, energy and water conservancy, construction, environmental protection, and renewable energy sectors
12.Team and Exhibition

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