The External Distribution Board is a low‑voltage electrical distribution enclosure designed for safe, organized power distribution in commercial, industrial, and outdoor applications.
Cases
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | 230V / 400V AC (up to 690V optional) |
| Rated Current | Up to 250A (main); feeder circuits: 6A–125A |
| Enclosure Material | Polycarbonate (PC), ABS, or 1.5–2.0 mm galvanized steel with polyester powder coating |
| Protection Rating | IP65 / IP66 (dust-tight & protected against heavy water jets) |
| Operating Temperature | -40°C to +70°C |
| Impact Resistance | IK10 (high mechanical impact protection) |
| Internal Mounting | 35mm DIN rail standard; optional mounting plate |
| Door Type | Transparent or opaque; lockable with tamper-proof hinges |
| Flame Rating | UL94 V-0 (for plastic models) |
| Compliance | IEC 61439-1/-2, IEC 60529, CE, RoHS |
Features
All-Weather Protection
IP65/IP66 sealing ensures reliable operation in rain, dust, snow, and high humidity-no shelter required.
Durable Materials
UV-stabilized polycarbonate or corrosion-resistant steel withstands years of outdoor exposure without degradation.
Safety
Lockable door with concealed hinges prevents unauthorized access-ideal for public or unattended sites.
Applications
Residential and commercial building exterior power distribution
Street and area lighting control panels
Solar PV combiner and AC distribution boxes
Telecom cabinet power supply units
Agricultural and irrigation pump stations
Temporary construction site power distribution
Customization
Custom current ratings and circuit configurations
Choice of enclosure material (PC, ABS, galvanized steel, stainless steel)
Integration of energy meters, surge protectors, or smart monitoring modules
Special knockouts, cable entry positions, or labeling per drawing
FAQs
Is the unit fully wired and tested before shipment?
Yes-all standard models are factory-wired, labeled, and undergo insulation & continuity testing.
Can I get a transparent door for visual inspection?
Yes-transparent UV-resistant polycarbonate doors are available as standard or optional.
Are spare parts or replacement breakers available?
Absolutely. We supply compatible breakers (ABB, Schneider, Siemens, or Chinese brands) and spare enclosures.
Do you provide installation drawings?
Yes-wiring diagrams, dimension drawings, and mounting instructions included with every order.
What's the warranty?
24 months from shipment under normal outdoor operating conditions.
