When to Use a Circuit Breaker Distribution Box
This enclosure type is a practical choice when the main internal components are DIN rail circuit breakers, protection devices or other modular electrical components.
- DIN rail breakers are the main internal components;
- the project needs a dedicated electrical distribution enclosure;
- incoming and outgoing wiring needs protected cable entry;
- the enclosure will be installed on equipment, walls or outdoor electrical systems;
- the internal layout requires more organized breaker access than a general junction box provides.
If the project is mainly a cable-junction application without DIN rail devices, use a general waterproof junction box instead.
What to Confirm Before Ordering
- number and type of DIN rail devices;
- required internal wiring space;
- incoming and outgoing cable directions;
- cable or gland size;
- mounting position;
- required protection rating;
- order quantity.
These details help determine whether this circuit breaker distribution box is suitable or whether a newer HT Series enclosure provides a better fit for the project.
Technical Specifications
| Model Number | Waterproof Electrical Distribution Box |
| Material | ABS + PC Transparent Coverr |
| Color | Gray + Transparent Cover |
| Temperature range | -40~+80°C |
| Installation Type | Screw-In |
| Documentation | Model-specific test and certification information is available on request. |
Product Description & Key Features
The transparent PC door can support visual inspection of circuit breakers and electrical modules without opening the enclosure. Follow the applicable safety procedures and product instructions during maintenance.
Designed for DIN rail electrical systems, the distribution box can support wall-mounted installation and cable management when the selected model is installed as specified.
May be considered for solar energy systems, industrial control equipment, residential power distribution, and outdoor electrical projects, subject to the product specification and installation requirements.
Dimensions
| Model | Size(mm) | Size(in) |
| HT-5 | 120"L x 95"W x 160"H | 4.7"L x 3.7"W x 6.2"H |
| HT-8 | 200"L x 95"W x 155"H | 7.8"L x 3.7"W x 6.1"H |
| HT-12 | 255"L x 108"W x 200"H | 10.0"L x 4.2"W x 7.8"H |
| HT-15 | 310"L x 108"W x 200"H | 12.2"L x 4.2"W x 7.8"H |
| HT-18 | 365"L x 108"W x 200"H | 14.3"L x 4.2"W x 7.8"H |
| HT-24 | 275"L x 108"W x 355"H | 10.8"L x 4.2"W x 13.9"H |
Our team

Production line

Material & Warehouse

Packing & Delivery

Documentation
Certification and test information, where applicable, is model-specific. Please request the relevant documentation for the selected product and installation conditions.
For current BOWO models focused on DIN rail electrical distribution, see our HT DIN rail distribution boxes.
Information for an Accurate Quotation
To confirm the correct model and price, send the following with your enquiry:
- Required size or internal component dimensions
- Installation environment
- Protection level required
- Cable-entry or opening drawing
- Cover preference (gray or transparent)
- Mounting method
- Order quantity
- Number of DIN modules and breaker layout
- Cable-entry direction
Drawings can be sent as PDF, DWG or DXF. If some details are not fixed yet, describe the application and we will confirm which information is needed for the quotation.