KYN28-12 12kV 1250A 31.5kA Metal-Clad Withdrawable Switchgear

Name: "KYN28-12 12kV 1250A 31.5kA Metal-Clad Withdrawable Switchgear"
Rating: 5 (449 reviews)

en stock:

SKU: 6874183958

modelo: KYN28-12

Changzhou Tuoxin Electric Co., Ltd.

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Detalles de producto

KYN28-12 12kV 1250A 31.5kA Metal-Clad Withdrawable Switchgear

This KYN28-12 variant is rated 12kV, 1250A with a breaking capacity of 31.5kA. It is designed for three-phase 50Hz systems and supports single busbar arrangements, making it a robust choice for industrial plants and substations requiring reliable medium-current switching.

Key Selling Points

1250A rated current: Handles moderate to high load capacities with ease.
31.5kA breaking capacity: Ensures reliable interruption of high short-circuit currents.
IP4X protection: Dust and moisture resistance for safe operation.
Withdrawable breaker: Facilitates quick maintenance and inspection.
Silver-plated conductors: Low contact resistance and high conductivity.
Meets international standards: CE and SABER compliant options available.

Technical Specifications

Rated Voltage	12kV
Rated Current	1250A
Rated Frequency	50Hz
Short-Circuit Breaking Current	31.5kA
Short-Circuit Making Current	80kA
4s Short-Time Thermal Withstand Current	31.5kA
Peak Withstand Current	80kA
Power Frequency Withstand Voltage	42kV (phase-to-phase/earth), 48kV (isolation break)
Lightning Impulse Withstand Voltage	75kV (phase-to-phase/earth), 85kV (isolation break)
Protection Degree	IP4X (enclosure), IP2X (door open)

Models and Options

Available in different current ratings from 630A up to 4000A. This model represents the 1250A variant with 31.5kA breaking. Other optional features include remote monitoring and anti-condensation heating.

Materials and Structure

Enclosure from aluzinc coated steel sheet, busbars in T2 silver-plated copper, insulation using epoxy resin and SMC composite. Stainless steel fasteners and rubber sealing strips for durability.

Applications

Ideal for industrial plants, commercial buildings, and utility substations requiring reliable medium-voltage power distribution.

Customization

Options include special coatings for harsh environments, enhanced protection up to IP54, and integration with intelligent monitoring systems.

FAQ

What is the lead time for this switchgear?

Delivery time varies depending on order size and customization; contact us for details.

Can I get a sample before bulk order?

Yes, sample orders are welcome.

Does the switchgear support remote monitoring?

Yes, optional intelligent monitoring with 4G/RS485 communication can be integrated.

Is technical support available after sales?

Yes, we provide comprehensive after-sales support including installation guidance.

What international standards does it meet?

It can be manufactured to meet CE and other international standards.

Can we customize the color?

Yes, color and finish can be customized.

Inquiry Information

Contact sale@tuoxinelectric.com for pricing and technical documentation.

Image Suggestions

Main image: kyn28-12-1250a-31.5ka-side-view.png (side view showing busbar compartment)

Alt text: KYN28-12 1250A switchgear side view with enclosed busbars