Metal Clad Switchgear Manufacturer

As a professional metal clad switchgear manufacturer, Juhongkai provides reliable, safe, and durable metal-enclosed switchgear for medium and high voltage power systems. Our solutions are ideal for substations, industrial plants, and commercial facilities worldwide.

Juhonkia supplies indoor metal-clad withdrawable switchgear for medium-voltage power receiving, distribution, control and protection. Our standard product range covers 3.6kV, 7.2kV, 12kV and 40.5kV systems, supporting compact substations, industrial plants, power generation facilities, commercial infrastructure and utility distribution projects.

Our Strengths as a Metal Clad Switchgear Manufacturer

1. Industry-Leading R&D Capability: The first domestic enterprise to complete R&D, network access testing, and batch supply of *standardized & customized metal clad switchgear*. Covering 12kV/24kV/40.5kV, meeting medium-voltage power grid, industrial, and infrastructure demands.  

2. CNAS-Accredited In-House Lab: Lab certified by CNAS (China National Accreditation Service for Conformity Assessment) – conducts full performance tests for metal clad switchgear: insulation strength test, mechanical operation life test (≥10,000 times), short-circuit withstand test, and dust-proof/water-proof test.  

3. Smart Manufacturing & Quality Control : Equipped with a "smart quality control brain" and automated production lines (e.g., precision sheet metal processing, armor cabinet assembly), monitoring the entire manufacturing process to ensure consistent batch quality.  

4. Mature Batch Supply Capacity: Stable supply chain for core components (circuit breakers, isolating switches), supporting urgent project timelines (e.g., 25-day delivery for KYN28A-12 batch orders).

Key Features & Components

Compartmentalization: Each major component (breaker, bus, control, cable) is in its own metal-enclosed section, increasing safety by isolating faults and allowing maintenance on one part without affecting others. 

Construction: Made of thick steel (2-4mm), offering durability and protection. 

Components: Includes circuit breakers (vacuum, SF6), potential/current transformers (PTs/CTs), busbars, protective relays, and control devices. 

Advantages

Enhanced Safety: Segregated compartments and grounded metal barriers protect personnel from live parts and arc-flash events. 

Reliability: High-quality construction and internal separation minimize failures and allow for targeted maintenance. 

Customization: Can be configured with specific breakers (spring/magnetic), relays, and arrangements (single/double bus) for various applications. 

Applications

Industrial Facilities: Petrochemical plants, refineries, manufacturing.

Utilities: Power generation, transmission, and distribution substations.

Commercial: Large buildings, data centers. 

How it Works

Metal-clad switchgear acts as the nerve center for medium-voltage power, housing all protective and switching devices in a compact, secure metal structure, allowing operators to safely control, protect, and distribute electricity from generators, motors, and feeder circuits. 

Choose the Right Metal-Clad Switchgear for Your Project

Typical Applications for Metal-Clad Switchgear

Compact 12kV Distribution Rooms

For urban substations, building power rooms and retrofit projects with restricted floor space, the JHK/iPV550 is a suitable option. Its 550mm cabinet width helps reduce installation footprint while maintaining segregated high-voltage and low-voltage compartments.

Industrial Distribution and Motor Control

For factories, mines, manufacturing facilities and large motor-starting projects, the KYN28A-12 offers broader current options and support for 3.6kV, 7.2kV and 12kV systems. It is suitable for incoming feeders, outgoing feeders, transformer protection and motor-control applications.

Utility and 40.5kV Substations

For power plants, utility substations, industrial receiving stations and higher-voltage distribution projects, the KYN61A-40.5 provides a 40.5kV metal-clad solution with higher current options, mechanical interlocking and closed-door operating capability.

Customized Distribution Projects

For projects requiring special busbar layouts, cable entry methods, relay protection schemes, intelligent monitoring, remote communication or non-standard installation conditions, Juhonkia can evaluate a customized switchgear configuration based on the single-line diagram and technical specification.

Frequently Asked Questions

What voltage level should I select?

Select switchgear according to the nominal voltage of your power system:

• 3.6kV / 7.2kV / 12kV: KYN28A-12

• 12kV compact distribution projects: JHK/iPV550

• 40.5kV systems: KYN61A-40.5

Please provide your single-line diagram, transformer rating, incoming voltage, feeder quantity and short-circuit current requirement for final selection.

Is 24kV metal-clad switchgear available?

The current public product information for this category supports 3.6kV, 7.2kV, 12kV and 40.5kV models. Please contact Juhonkia with your 24kV project parameters for technical confirmation before specifying a 24kV solution.

What does IP4X protection mean?

The listed switchgear cabinets use an IP4X enclosure protection level. This is intended for indoor protection against access to hazardous parts and solid foreign objects. It should not be interpreted as a waterproof outdoor rating.

When the breaker-compartment door is open, the published protection level is IP2X for the relevant compartment. For humid, dusty, coastal, high-altitude or outdoor locations, please confirm the required environmental design before ordering.

Can the switchgear be customized?

Yes. Available customization may include:

• Rated voltage and rated current

• Circuit breaker brand and operating mechanism

• Single-bus or double-bus arrangement

• Incoming and outgoing cable layout

• Overhead incoming/outgoing arrangement

• CT, PT, surge arrester and relay configuration

• Smart monitoring, metering, remote communication and fault-recording functions

• Cabinet dimensions, installation method and enclosure adaptation

• High-altitude, high-humidity or special-environment solutions

What is the typical production lead time?

Lead time depends on the selected model, rated current, breaker configuration, relay requirements, quantity, testing scope and packaging requirement.

For standard KYN28A-12 batch orders, approximately 25 days may be possible under suitable production conditions. Customized or high-capacity projects require separate scheduling confirmation.

What certifications and standards can be supported?

Certification and test-document scope depends on the exact model, breaker configuration and project destination.

For China-market projects, Juhonkia has publicly announced PCCC certification for specified KYN28A-12 and KYN61-40.5 configurations under GB/T 3906-2020. Customers should confirm the exact certified model, current rating, short-circuit rating and required project documentation before quotation or tender submission.

Can this switchgear be installed outdoors?

The listed metal-clad switchgear models are designed mainly for indoor installations. For outdoor, high-humidity, coastal or heavily contaminated sites, please provide environmental conditions so that a suitable enclosure, protection arrangement or alternative switchgear type can be evaluated.

What information is needed for a quotation?

Please send:

• Single-line diagram

• System voltage and frequency

• Rated current and short-circuit withstand current

• Incoming and outgoing feeder quantity

• Breaker and relay requirements

• Busbar arrangement

• Installation dimensions

• IP rating and environmental conditions

• Required standards, certificates and destination country

• Target delivery date and project quantity