Portable Waterproof Power Distribution Box | IP67 | 125A | 3-phase 380V | PE Enclosure | JHDB-MB01
Code: JHDB-MB01The portable waterproof power distribution box is designed for safe electrical power distribution even in the most demanding projects. With an IP67 protection rating, it is fully resistant to water, dust, and harsh environments. Its durable enclosure, integrated professional protections, and compatibility with 3-phase 380V ±10% systems make it an ideal choice for both temporary and permanent electrical installations.
This box is widely used in industrial environments, construction sites, stage equipment, event infrastructure, production lines, and temporary power connection points. It is a reliable solution for professionals working with high loads who require stable, safe, and certified power distribution.
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Technical Specifications
Electrical parameters:
• Voltage: AC 380V ±10%, 3-phase, 5-wire
• Frequency: 50 Hz ±5%
• Main switch: 125A
• Leakage protection (RCD): Integrated
• Overload and short-circuit protection: Schneider dual protection module
• Monitoring: 3-phase V/A indicators
• Number of sockets: According to configuration (enclosure prepared for connector installation)Construction:
• Protection rating: IP67
• Enclosure: PE – high-strength polyethylene
• Color: Black
• Dimensions: 450 × 450 × 445 mm
• Model: JHDB-MB01
• Manufacturer: J&H
• Country of origin: ChinaFunctions
• Full electrical fault protection: Integrated RCD + Schneider protection module automatically disconnects power in case of leakage, overload, or short circuit.
• Independent 3-phase monitoring: Voltage and current indicators allow monitoring of each phase load and prevent imbalance.
• Weatherproof design (IP67): Fully sealed enclosure suitable for rain, snow, dust, mud, and harsh construction environments.
• Mobility and easy transport: Ideal for creating temporary power supply stations for events, construction sites, or industrial work.
• Easily configurable: Enclosure supports additional sockets, automation modules, contactors, and protection devices.Applications
Home users / homesteads / farms:
Temporary outdoor distribution points, pumps, generators, compressors, seasonal construction, garage/workshop power distribution.Engineers and technicians:
Load analysis, temporary test stations, network balancing, protection monitoring, connecting test and data acquisition equipment.Electricians and contractors:
Power distribution on construction sites, temporary power cabinets for events, stage and lighting system supply, machinery start-up and commissioning.Stage and event technicians:
Power supply for lighting, audio, effects, temporary power for concerts, exhibitions, festivals; safe high-power distribution for outdoor events.Advantages
• IP67 – resistant to extreme conditions
• 125A main switch – high power capacity
• Schneider protection – industrial-grade safety
• 3-phase voltage and current monitoring
• PE enclosure – lightweight but very strong
• Suitable for indoor and outdoor use
• Portable and easy to transport
• Universal application – industry, construction, eventsDisadvantages
• No sockets pre-installed – requires configuration
• Due to 125A components, heavier than standard boxes
• Intended for professionals – may be difficult for untrained home usersIllustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.ManufacturerThe IP protection class indicates the device's resistance to environmental factors.

The first digit indicates protection against dust and solid objects.
The second digit indicates protection against moisture.First digit values:
X — Untested;
0 — No protection;
1 — Protected against solid objects larger than 50 mm;
2 — Protected against solid objects larger than 12.5 mm;
3 — Protected against solid objects larger than 1 mm;
4 — Protected against solid objects larger than 1 mm;
5 — Dust protected;
6 — Totally dustproof.
Second digit values:X — Untested;
0 — No protection;
1 — Protected against vertically falling water drops;
2 — Protected against water drops falling at a 15º angle;
3 — Protected against rain falling at a 60º angle;
4 — Protected against water splashes;
5 — Protected against water jets;
6 — Protected against large amounts of water;
7 — Protected against short-term immersion in water up to 1 meter deep;
8 — Protected against long-term immersion in water up to 3 meters deep.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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