KYN28-12 12kV 630A 25kA Metal-Clad Withdrawable Switchgear

Name: "KYN28-12 12kV 630A 25kA Metal-Clad Withdrawable Switchgear"
Rating: 5 (266 reviews)

en stock:

SKU: 7655582475

modelo: KYN28-12

Changzhou Tuoxin Electric Co., Ltd.

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Detalles de producto

KYN28-12 12kV 630A 25kA Metal-Clad Withdrawable Switchgear

The KYN28-12 is an indoor AC metal-clad withdrawable switchgear designed for three-phase 50Hz systems with rated voltage up to 12kV. This configuration supports 630A rated current and 25kA short-circuit breaking current, making it suitable for single busbar and single busbar sectionalized systems in power distribution networks.

Key Selling Points

Rated 12kV, 630A: Supports moderate current distribution with reliable insulation and interruption performance.
25kA breaking capacity: Provides effective short-circuit protection for overloaded systems.
IP4X protection: Enclosure rated IP4X, with IP2X when circuit breaker door open, ensuring safety during operation.
Withdrawable design: Circuit breaker can be withdrawn for maintenance without full power outage, reducing downtime.
Aluzinc steel enclosure: Durable cabinet construction with anti-corrosion properties.
ISO9001 certified: Manufactured under quality management system accreditation.

Technical Specifications

Rated Voltage	12kV
Rated Current	630A
Rated Frequency	50Hz
Short-Circuit Breaking Current	25kA
Short-Circuit Making Current	63kA
4s Short-Time Thermal Withstand Current	25kA
Peak Withstand Current	63kA
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

The KYN28-12 series offers a range of rated currents from 630A to 4000A and breaking capacities from 20kA to 50kA, with this specific model at 630A/25kA. Optional configurations include different busbar arrangements and control schemes.

Materials and Structure

Cabinet enclosure is made of aluzinc coated steel sheet. Conductive busbars use T2 silver-plated copper. Insulating components are epoxy resin and SMC composite. Fasteners are stainless steel, and sealing strips are rubber for protection.

Applications

Ideal for urban distribution switching stations, substations, industrial high-voltage power rooms, and PV & wind power booster stations. Suitable for single busbar and single busbar sectionalized systems.

Customization

Flexible options include customized dimensions, protection grades, component brands, control logic, fire resistance, anti-corrosion, and intelligent monitoring for various projects.

FAQ

What is the minimum order quantity?

MOQ is 1 unit.

What is the typical delivery time?

Delivery is based on order requirements; please contact us for specific lead time.

Can the switchgear be customized for specific projects?

Yes, we offer OEM and ODM customization including dimensions, protection grade, and brand components.

What certifications does the product hold?

We have ISO9001, ISO14001, and ISO45001 management system certifications.

How is the product packaged for export?

Proper packaging for sea freight, with detailed documentation for customs clearance.

What payment terms are accepted?

30% deposit by T/T, balance before shipment.

Inquiry Information

For detailed specifications, pricing, and availability, please contact our sales team at sale@tuoxinelectric.com or WhatsApp +86 158-6188-2821.

Image Suggestions

Main image: kyn28-12-630a-25ka-front-view.png (front view of switchgear panel)

Alt text: KYN28-12 12kV 630A switchgear front panel showing breaker compartment