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China JP Outdoor Integrated Distribution Box Factory - Reliable Suppliers for Power Distribution Solutions
Model and Definitions
Use Environment and Conditions
- ✦ Ambient temperature: -25℃ to +40℃;
- ✦ Relative humidity of air: daily average value is not more than 90%, monthly average value is not more than 90%;
- ✦ Altitude: no more than 1000m;
- ✦ Install it in a place without severe vibration, impact and corrosive gas.
Note: If the above conditions are exceeded, you can negotiate with our company.
Technical Parameters
| No. | Items | Units | Data |
| 1 | Transformer capacity | KVA | 30-400 |
| 2 | Rated Working Voltage | V | AC400 |
| 3 | Auxiliary circuit working voltage | V | AC220, AC380 |
| 4 | Rated Frequency | HZ | 50 |
| 5 | Rated Current | A | ≤630 |
| 6 | Rated drop point operating current | A | 30-300 adjustable |
| 7 | Level of Protection | IP44 |
Box structure diagram
Installation Diagram
Vertical box dimensions
Box dimensions
Horizontal box dimensions
| Transformer capacity | Solution No. | L | W | H |
| 30-100KVA | 01, 06 | 800 | 450 | 700 |
| 30-250KVA | 02, 04, 07, 09 | 900 | 500 | 700 |
| 100-400KVA | 03, 05, 08, 10 | 1100 | 600 | 800 |
Note: The above dimensions are for reference only
Vertical box dimensions
| Transformer capacity | Solution No. | L | W | H |
| 30-100KVA | 01, 06 | 600 | 450 | 1000 |
| 30-250KVA | 02, 04, 07, 09 | 700 | 500 | 1000 |
| 100-400KVA | 03, 05, 08, 10 | 800 | 600 | 1100 |
Note: The above dimensions are for reference only
Ordering Instructions
- ✦ Product Model, quantity;
- ✦ Product structure type (vertical, horizontal);
- ✦ Model and Technical Parameters of main components;
- ✦ Other special requirements.
Frequently Asked Questions (FAQ)
Q
What range of transformer capacity is supported by this distribution box?
This distribution box supports transformer capacities ranging from 30 KVA to 400 KVA, depending on the specific solution model chosen.
Q
What is the protection level of the enclosure?
The enclosure is rated at IP44, which provides protection against solid foreign objects greater than 1mm and splashing water from any direction.
Q
Can the unit be installed at high altitudes?
The standard design is rated for installations at altitudes no more than 1000m. For higher altitude applications, please contact us for custom configuration.
Q
What are the options for the box structure?
We offer both horizontal and vertical box structure configurations to fit different installation spaces and site requirements.
Q
How do I order custom dimensions or specifications?
When placing an order, please include the product model, quantity, desired structure type (vertical/horizontal), component parameters, and any other special requirements. Custom environments can be accommodated upon consultation.

