MEX-Series 15kV-38kV Medium Voltage Switchgear
15kV, 27kV, 34.5kV, 38kV Metal Enclosed Withdrawable Fixed Mount Vacuum Circuit Breaker Load Break Switch Switchgear
High-performance MEX-Series 15kV-38kV medium voltage switchgear engineered to redefine metal enclosed switchgear for modern power distribution systems. Built around a vacuum circuit breaker platform, this 38kV medium voltage switchgear delivers reliable operation, and advanced system control for demanding industrial and commercial applications.
Key Benefits
MEX-Series 15kV-38kV Medium Voltage Switchgear Design
The MEX-Series 15kV-38kV medium voltage switchgear is a metal enclosed, vacuum circuit breaker based system designed for performance, accessibility, and long-term reliability. Unlike traditional 38kV switchgear, this design prioritizes modular construction to support easier installation, maintenance, and system expansion.
This 38kV switchgear solution protects critical electrical components while enabling safe operation and efficient servicing. With integrated monitoring and control capabilities, the MEX-Series 15kV-38kV medium voltage switchgear supports modern power distribution requirements across a wide range of applications.
What Sets MEX-Series 15kV-38kV Medium Voltage Switchgear Apart
The MEX-Series 15kV-38kV medium voltage switchgear is engineered to go beyond conventional designs by combining performance, accessibility, and flexibility:
- Vacuum circuit breaker platform for consistent performance and reduced maintenance
- Drawout construction with test, disconnected, and connected positions
- Modular structure for scalable 38kV switchgear configurations
This approach allows the MEX-Series 15kV-38kV medium voltage switchgear to deliver a balance of reliability and practical installation advantages.
Engineered Features of MEX-Series 15kV-38kV Medium Voltage Switchgear
The MEX-Series 15kV-38kV medium voltage switchgear is built with high-quality components and a design focused on durability, safety, and long-term performance:
- Metal enclosed draw-out circuit breaker based design
- Draw-out vacuum circuit breaker with defined operating positions
- Silver plated copper line and load bus bar connections
- Voltage transformer options, fixed or drawer mounted
- Current transformers mounted on primary insulating bushings behind metal automatic shutters
- Hinged front door with lockable T handles
These features ensure dependable performance across a wide range of 38kV medium voltage switchgear applications.
The MEX-Series 15kV-38kV medium voltage switchgear is designed in alignment with industry standards established by organizations such as IEEE, supporting reliable performance, system protection, and consistent operation in demanding power applications.
Engineering Bid Specifications
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Installation Drawings & Diagrams
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Applicable Standards:
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MED-Series
38kV Medium
Voltage Switchgear
Metal Enclosed Vacuum Circuit Breaker Switchgear for Reliable Power Distribution
Engineered for performance, safety, and scalability, APT’s MED-Series supports 2.4kV to 38kV applications across industrial, utility, and mission critical environments.
BUILT FOR MODERN POWER DISTRIBUTION
The MED-Series 38kV medium voltage switchgear is designed to support critical infrastructure with safe operation, efficient maintenance, and flexible system integration.
KEY BENEFITS
Reliable Performance
High-performance vacuum circuit breakers provide fast fault clearing and long service life with minimal maintenance.
Enhanced Safety
Mechanical interlocks and compartmentalized construction prevent unsafe operation and protect operators.
Modular Design
Configurable sections support multiple system architectures including main-tie-main and generator paralleling.
Low Maintenance
Draw-out breaker design with test, disconnected, and connected positions simplifies servicing and reduces downtime.
ENGINEERED FOR PERFORMANCE AND FLEXIBILITY
The MED-Series combines high-quality components with a design focused on durability, accessibility, and long-term performance. Its drawout construction and modular architecture provide flexibility for a wide range of applications and environments.
- Draw-out vacuum circuit breakers with multiple operating positions
- Silver-plated copper bus bar connections
- Front-accessible current transformers
- Fixed or draw-out voltage transformers
- Indoor and outdoor enclosure options
TECHNICAL SPECIFICATIONS
| Voltage Ratings | 2.4kV - 38kV |
| Interrupting Capacity | 25kA, 31.5kA, 40kA, 50* kA |
| Main Bus Ampacity | 600-4000* A |
| Bus Insulation Options | Standard: Bare Optional: Insulated |
| Operation Modes | Manual, Automatic Open Transition, Automatic Closed Transition, Delayed, Soft Loading, Parallel |
| Transfer/Control Configurations | Utility-to-generator, Utility-to-Utility, Generator-to-Generator, 3-way |
| Circuit Disconnect Types | Withdrawable Vacuum Circuit Breaker, Fixed Mount Vacuum Circuit Breaker, Air Insulated Load Break Switch |
| Reference Standards | ANSI/IEEE: C37.20.3, C37.04, C37.06 |
APPLICATIONS
DOCUMENTATION
Product Brochure
Specifications
Installation Drawings
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Reliable Performance
High-performance vacuum circuit breakers provide fast fault clearing and long service life with minimal maintenance.Enhanced Safety
Mechanical interlocks and compartmentalized construction prevent unsafe operation and protect operators.Modular Design
Configurable sections support multiple system architectures including main-tie-main and generator paralleling.Low Maintenance
Draw-out breaker design with test, disconnected, and connected positions simplifies servicing and reduces downtime.The MED-Series combines high-quality components with a design focused on durability, accessibility, and long-term performance. Its drawout construction and modular architecture provide flexibility for a wide range of applications and environments.
- Draw-out vacuum circuit breakers with multiple operating positions
- Silver-plated copper bus bar connections
- Front-accessible current transformers
- Fixed or draw-out voltage transformers
- Indoor and outdoor enclosure options
Optional: Insulated
Delayed, Soft Loading, Parallel
Generator-to-Generator, 3-way
Fixed Mount Vacuum Circuit Breaker,
Air Insulated Load Break Switch
Industrial
Textile, steel mills, stamping
Data Centers
Medium Voltage Switchgear, Low Voltage Switchgear, Automatic Transfer & Distribution
University & Medical Campuses
Hospitals, medical clinics, airports, train stations
Utilities
Power generation and distribution systems
Renewables
Solar, wind, and energy storage systems
Commercial Buildings
Office buildings, retail, mixed-use developments
Infrastructure
Transportation hubs, rail, and municipal systems
Oil & Gas
Refineries, pipelines, and processing facilities
Need help finding the right solution?
Our team of experts is here to help you select the right switchgear for your application.