Schneider MC-4/11/10/400 Photovoltaic DC combiner box

Schneider MC-4/11/10/400 Photovoltaic DC combiner box

Specific Parameters​

Electrical Parameters​

Rated Voltage DC 1000V, Maximum Withstand Voltage DC 1500V​

Input Channels 11 photovoltaic module string inputs, 1 main output​

Input Current Maximum input current per channel 10A​

Output Current Maximum output current 400A​

Overcurrent Protection 10A DC fuse per channel (fusing characteristic gPV)​

Lightning Protection Level 2-level surge protection, maximum discharge current 20kA (8/20μs)​

Insulation Resistance ≥100MΩ (tested at 500V DC)​

Withstand Voltage 3kV DC/1min between input-output-housing, no breakdown​

Monitoring Function Supports input voltage and total output current monitoring (analog output)​

Connector Type Input/output compatible with MC4 standard connectors (waterproof type)​

Mechanical and Environmental Parameters​

Overall Dimensions 600mm×400mm×250mm (L×W×H)​

Weight Approximately 18kg​

Housing Material High-strength cold-rolled steel plate with electrostatic spraying surface treatment​

Protection Rating IP65, dustproof and waterproof, suitable for outdoor installation​

Mounting Method Wall-mounted installation, supporting vertical/horizontal installation (complying with installation specifications)​

Operating Temperature -40℃ to 85℃, no performance derating over the entire temperature range​

Storage Temperature -40℃ to 90℃, meeting extreme storage and transportation requirements​

Relative Humidity 5% to 95% (non-condensing), adapting to high-humidity environments​

EMC Compliance Complies with EN 61000-6-2/EN 61000-6-4 standards​

Product Performance​

Strong combining capacity, 11-channel input + 400A output design, adapting to the string combining needs of large-scale photovoltaic power plants​

Comprehensive safety protection, 11 independent overcurrent protections + 2-level lightning protection, fully resisting DC side fault risks​

Wide environmental adaptability, IP65 protection + (-40℃ to 85℃) wide-temperature operation, withstanding harsh outdoor environments such as high temperature, heavy rain and sand dust​

Excellent compatibility, compatible with MC4 standard connectors and mainstream photovoltaic modules/inverters, no additional adapters required​

Intuitive monitoring, real-time monitoring of input voltage and total output current, LED status indicators show fault locations, facilitating operation and maintenance​

High reliability, industrial-grade components and sealed structure design, Mean Time Between Failures (MTBF) ≥800000 hours​

Easy installation, wall-mounted design + standardized interfaces, shortening on-site installation and wiring time​

High withstand voltage level, maximum withstand voltage of DC 1500V, adapting to high-power photovoltaic module systems​