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MVnex Medium Voltage Metal-Clad Switchgear

Name: MVnex Medium Voltage Metal-Clad Switchgear
Brand: Zhejiang Tenrony Electricity Co., Ltd.
Availability: InStock

MVnex is Schneider Electric's next-generation indoor metal-clad switchgear, building on over 50 years of MV switchgear design and manufacturing experience (since 1958). It provides integrated protection, monitoring, and control solutions for medium-voltage distribution networks.

MVnex features a withdrawable (hand-truck) metal-clad construction with four fully independent compartments: Low Voltage Compartment, Circuit Breaker Compartment, Busbar Compartment, and Cable Compartment. Compartment separation achieves IP2X, with an overall enclosure rating of IP4X, ensuring operator safety and power supply continuity.

Products

Advantages

Safety & Reliability

Complete "Five-Interlock" protection: prevents incorrect breaker operation, live insertion/withdrawal, grounding switch misoperation, entry into live compartments, and grounding switch closure under voltage
Metal-clad construction: 4 independent compartments with IP2X inter-compartment protection
Arc pressure relief ducts on each compartment for effective overpressure gas release
Enclosure protection: IP4X (exceeds industry standards)
Seismic rating: AG3 (8-degree seismic zone)
Earthing switch: 40kA/4s; Internal arc rating: 40kA 1s

High-Performance Configuration

HVX Solid-Pole Vacuum Circuit Breaker: Solid encapsulated pole technology - components unaffected by environmental conditions
CVX Solid-Pole Vacuum Contactor: For 400A circuits, frequent operation applications
Rated current range: 630A~4000A; Short-time withstand: 25/31.5/40kA
Main busbar current up to 4000A for high-capacity distribution

Flexibility & Compactness

Cabinet widths: 650mm / 800mm / 1000mm
MVnex 550: Only 550mm wide, 40%+ footprint reduction
MVnex 500: Only 500mm wide, 60% footprint reduction, wall-mountable with 1m front access
Mixed cabinet widths can be freely combined and expanded

Intelligent O&M (Smart MVnex)

Temperature Online Monitoring (TH110): No external power, wireless signal, long-life maintenance-free
Arc Flash Protection (VAMP): Simple principle, fast & reliable operation, fault location
Microprocessor Protection (Easergy P3): 8 programmable protection profiles, embedded web, mobile app
Proactive O&M Smart Unit: Asset management, real-time data, alarm management, protection coordination verification
"TeleEye" Cloud Platform: O&M management, work orders, alarms, asset management, mobile O&M

Materials & Workmanship

Enclosure: Aluzinc and electro-galvanized steel sheets for superior corrosion resistance
High-temperature epoxy powder coating
Flame-retardant insulating components
Front panel mimic diagram for intuitive operation
Motorized truck: gear-driven, 5000-cycle lifespan, manual priority, closing interlock

The MVnex product family covers multiple series to meet diverse project requirements:

MVnex 12kV (Standard): Up to 4000A, 40kA - covers full project needs across industries
MVnex 24kV: For electronics industry and high-altitude 12kV projects
MVnex 550 (Compact): 550mm cabinet width, 40%+ footprint reduction vs traditional cabinets
MVnex 500 (Ultra-compact): 500mm cabinet width, 60% footprint reduction, wall-mountable
Smart MVnex (Intelligent): Integrated online monitoring, proactive O&M unit, and cloud platform for digital maintenance

Technical Specifications

MVnex 12kV Electrical Parameters

Parameter	Unit	Value	Note
Rated Voltage	kV (rms)	12
Power-frequency Withstand (50Hz, 1min)	kV (rms)	42	Across open: 48kV
Lightning Impulse Withstand (1.2/50µs)	kV (peak)	75	Across open: 85kV
Rated Current (Busbar)	A (rms)	630~4000
Rated Current (Breaker)	A (rms)	630~4000
Rated Current (Contactor)	A (rms)	400
Rated Short-time Withstand (4s)	kA (rms)	25 / 31.5 / 40
Rated Peak Withstand Current	kA (peak)	63 / 80 / 100
Enclosure Protection	IP	IP4X	IEC 60529
Compartment Protection	IP	IP2X

MVnex 12kV Dimensions

Rating	Width (mm)	Height (mm)	Depth - Top Cable (mm)	Depth - Bottom Cable (mm)
400A (Contactor)	650	2250	1600	1400
630/1250A-31.5kA	650	2250	1600	1400
630/2000A	800	2250	1600	1400
2500/3150A	1000	2250	1600	1400
4000A	1000	2250	1600	1600

MVnex 24kV Parameters

Parameter	Unit	Value	Note
Rated Voltage	kV (rms)	24
Power-frequency Withstand	kV (rms)	65
Lightning Impulse Withstand	kV (peak)	125
Rated Current	A (rms)	630~1250 / 2500
Short-time Withstand (4s)	kA (rms)	25 / 31.5
Peak Withstand Current	kA (peak)	63 / 80
Enclosure Protection	IP	IP4X

MVnex 550 (Compact) Parameters

Parameter	Unit	Value	Note
Rated Voltage	kV	12
Rated Current	A	≤ 1250
Short-time Withstand (4s)	kA	≤ 31.5
Peak Withstand Current	kA	≤ 80
Cabinet Width	mm	550
Cabinet Depth	mm	1400
Cabinet Height	mm	2250
Approx. Weight	kg	400~700

MVnex 500 (Ultra-compact) Parameters

Parameter	Unit	Value	Note
Rated Voltage	kV	12
Rated Current	A	≤ 1250
Short-time Withstand (4s)	kA	≤ 31.5
Peak Withstand Current	kA	≤ 80
Cabinet Width	mm	500
Cabinet Depth	mm	1400
Cabinet Height	mm	2250
Approx. Weight	kg	400~700

Key Component Specifications

Vacuum Circuit Breaker: HVX solid-pole type (Schneider Electric)
Vacuum Contactor: CVX solid-pole type
Current Transformer: LZZBJ9-12 (12kV) / LZZBJ9-24 (24kV)
Voltage Transformer: JDZXR-10C (12kV) / JDZX15-20 (24kV)
Earthing Switch: MGES-12/MGES-24 (with short-circuit making capacity)
Surge Arrester: YH5WZ-17/45 (12kV) / YH5WZ-26-66Q (24kV)
Protection Relay: Easergy P3 Series
Arc Flash Protection: VAMP Series
Temperature Monitoring: TH110 wireless system
Motorized Truck: 5000-cycle lifespan, manual priority, dual overload protection

Schneider Pre-Smart LV Switchgear Specification

Applications

Target Industries

MVnex switchgear is widely applicable across the following industries:

Industry	Application Scenario	Recommended Model
Building & Commercial	Commercial complexes, office towers, hotels	MVnex 12kV / MVnex 550
Data Centers	Cloud computing centers, IDC rooms	Smart MVnex / MVnex 12kV
Power Utilities	Substations, switching stations, distribution rooms	MVnex 12kV / MVnex 24kV
Oil, Petrochemical & Gas	Refineries, storage & distribution stations	MVnex 12kV
Light Industry & Electronics	Electronics factories, pharma, food processing	MVnex 550 / MVnex 500
Infrastructure	Airports, railways, metro, tunnels	MVnex 12kV / MVnex 500
Renewable Energy	Wind farms, photovoltaic plants	MVnex 12kV / MVnex 24kV

Schneider Pre-Smart LV Switchgear Application

Key Project References

Qingdao New Airport 110kV Substation
Changsha IFS (International Finance Square)
Beijing Xiangyun Ruiwei Cloud Computing Center
Sunshine Insurance Group Tongzhou Data Center
Shanghai Hailun Road Financial Street Project
Shenyang China Resources Land Plaza
Nanning International Convention & Exhibition Center
Beijing Cultural Silicon Valley Data Center
Beijing Huitian Network Technology Data Center
China Telecom Xiamen Straits Communication Hub
Beijing Fengtai Fangzhuang Smart Digital Substation (Smart MVnex)
Shanghai West Bund Media Port

Schneider Pre-Smart LV Switchgear Key Project

Typical Primary Schemes

MVnex offers extensive primary wiring schemes covering the following cabinet types:

Breaker Incoming/Outgoing Feeder: 630A~4000A, 2 or 3 CTs, optional surge arrester and PT
Contactor Feeder: 400A, for frequent switching applications
Isolation Truck: 630A~1250A, with isolation trolley
Bus Tie (Bus Coupler): 630A~4000A, with HVX breaker + CTs
Riser (Rising Main): 630A~4000A, with isolation trolley or PT riser
Metering: CT + PT combination, with surge arresters
Voltage Transformer (PT): 2 or 3 PTs, optional surge arresters
Auxiliary Transformer: with load-break switch or fuse-trolley + transformer
Overhead Incoming Feeder: for overhead line entry applications

Operating & Environmental Conditions

Normal Service Conditions

Parameter	Requirement	Note
Installation	Indoor
Minimum Ambient Temperature	≥ -15°C
Maximum Ambient Temperature	≤ +40°C
24h Average Temperature	≤ +35°C
Altitude	≤ 1000m	Above 1000m needs special design
Relative Humidity (daily avg.)	≤ 95%
Relative Humidity (monthly avg.)	≤ 90%

Special Service Conditions

The following conditions require prior agreement with the manufacturer:

Altitude above 1000m: Insulation distance derating requires custom design
Elevated Ambient Temperature: Current derating or auxiliary cooling required
Condensation Risk: Preventive measures required (heaters, ventilation, dehumidifiers)
Must avoid risk of corrosion or other damage