Medium Voltage Switchgear
Professional medium voltage switchgear from compact 550mm panels to 5000A industrial switchgear with intelligent monitoring.
ASN3-12 Metal-Enclosed Switchgear (12kV)
The ASN3-12 represents the latest generation of 12kV medium voltage switching equipment for three-phase AC 50/60Hz power systems. Features up to 5000A/50kA ratings, internal arc-resistant design, and high-altitude capability up to 4,500 meters.
ASN3i-12 Intelligent Medium Voltage Switchgear
The ASN3i-12 is a next-generation intelligent medium voltage switchgear with real-time equipment visualization, diagnostic functionality, external communications, and remote supervision. Designed for smart grid infrastructure with IEC 61850 and MODBUS compatibility.
ASN550 Compact Metal-Enclosed Switchgear
The ASN550 is a compact medium voltage switchgear with only 550mm cabinet depth, designed for space-constrained installations in office buildings, banks, data centers, and high-rise structures. Features comprehensive five-point mechanical interlocking system.
ASN2-24 Metal-Enclosed Switchgear (24kV)
The ASN2-24 is a 24kV indoor metal-enclosed switchgear for three-phase AC 50/60Hz systems with single bus and segmented bus configurations. Rated up to 4000A-40kA with internal arc withstand rating.
ASN1-40.5(G) Metal-Enclosed Switchgear (40.5kV)
The ASN1-40.5(G) is one of the most compact 40.5kV class switchgear solutions available, with up to 3150A-40kA ratings and high-altitude capability up to 3,000 meters. Available in multiple width configurations.
Medium Voltage Switchgear from NAIJI Electric
Complete range of AC metal-enclosed switchgear panels from 12kV to 40.5kV for power distribution, control, and monitoring.
As a professional manufacturer with 25+ years of experience, NAIJI Electric produces high-quality products that meet international standards including IEC 62271. Our products are exported to more than 20 countries across Southeast Asia, Middle East, Africa, Latin America, and CIS regions.
All products undergo rigorous factory testing including power frequency withstand, lightning impulse withstand, and mechanical endurance tests before shipment. We offer both standard models and custom configurations to meet your project-specific requirements.
Related Technical Articles
In-depth guides from NAIJI Electric engineers to help you select and specify medium voltage switchgear.
Medium Voltage Switchgear: AIS vs GIS, 12–40.5kV, IEC 62271
Medium voltage switchgear: AIS vs GIS vs hybrid types, 12kV–40.5kV ratings, IEC 62271 compliance. Selection guide for industrial plants, data centers & utilities. Factory-direct →trial, utility & renewable. ISO-certified manufacturer, 10,000+ units/year. Factory quote →
Medium Voltage Switchgear Specification: BIL & kA Guide
How to specify MV switchgear: rated voltage (Ur), current (Ir), BIL, short-circuit kA, IP rating, IEC 62271 vs ANSI C37.20 comparison. Engineer checklist from 25-year ISO-certified manufacturer. Free spec template →
Metal-Clad vs Metal-Enclosed Switchgear: 7 Differences
Metal-clad vs metal-enclosed switchgear — compartmentalization, IAC arc resistance, ANSI C37.20.2 vs C37.20.3, cost analysis & when to use each type. Comparison table + engineer checklist. Factory-direct pricing →
Data Center Switchgear: MV Power Distribution Design
Medium voltage switchgear for data centers — redundancy architectures (2N, N+1), arc-flash protection, GIS vs AIS space comparison, 12kV/15kV selection & Tier III/IV compliance. From a manufacturer with data center project experience →
Frequently Asked Questions
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