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Internal Configuration
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01
Incoming Power Supply
Main incoming power supply configured with MCCB or switch disconnector for system isolation and protection.
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02
Main Busbar System
Busbar system designed for reliable internal power distribution according to project requirements. -
03
Outgoing Feeder Circuits
Multiple outgoing circuits configured for different load and equipment power supply requirements. -
04
Metering & Protection
Integrated metering, monitoring and protection devices according to project requirements.
Technical Specifications
| Parameter | Specification |
| Rated Operational Voltage | 380 / 400 / 415 V |
| Rated Insulation Voltage | Up to 690 V |
| Rated Current | Up to 630 A (Standard) / Project-Specific |
| Rated Frequency | 50 / 60 Hz |
| Main Busbar Material | Copper / Project-Specific |
| Incoming Type | MCCB / Switch Disconnector |
| Outgoing Feeders | Multiple Circuits |
| Degree of Protection | IP30 / IP40 / IP54 |
| Cable Entry | Top / Bottom / Project-Specific |
| Installation | Indoor |
| Applicable Standards | IEC 61439-1 / IEC 61439-2 |
Standards, Testing & Documentation
IEC 61439 Design Basis
Designed with reference to applicable IEC 61439-1/-2 requirements and project specifications.
Factory Routine Testing
Routine inspections and tests are carried out before shipment according to applicable IEC 61439-1/-2 requirements and project specifications.
Project Documentation
Single-line diagrams, general arrangement drawings, technical datasheets and routine test records can be provided for project review.
Technical Support
Engineering support for configuration selection, technical clarification and project requirements.
Discuss Your XL-21 Distribution Cabinet Requirements
Contact our team for professional support, technical consultation and competitive quotation.
MV & LV Equipment Manufacturer · Wenzhou, China
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