1. Product Overview
The MOLLOM 2 Way Circuit Breaker MCB Distribution Protection Box (Model HT-2) is designed to house and protect miniature circuit breakers (MCBs) in various electrical installations. Constructed from high-quality PC+ABS alloy material, this enclosure offers robust protection against environmental factors, ensuring the safety and longevity of your electrical components. Its compact design and durable construction make it suitable for both indoor and outdoor applications.
Key Features:
- Robust Construction: Made from PC+ABS alloy for enhanced durability.
- Waterproof & Dustproof: IP65 rated, protecting against dust ingress and water jets.
- Impact Resistance: Rated up to IK08 for protection against mechanical impact.
- Easy Installation: Designed for straightforward wall mounting.
- Clear Cover: Allows for easy visual inspection of circuit breaker status without opening the box.

Image 1.1: Front view of the MOLLOM 2 Way Circuit Breaker MCB Distribution Protection Box.
2. Safety Information
Please read and understand all safety instructions before installing or operating this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Professional Installation: All electrical work should be performed by a qualified electrician in accordance with local and national electrical codes.
- Power Disconnection: Always disconnect power at the main supply before performing any installation, maintenance, or wiring work on the distribution box.
- Proper Grounding: Ensure the distribution box and all connected components are properly grounded.
- Environmental Conditions: Do not install the box in locations exceeding its specified temperature or humidity ratings.
- Secure Connections: Ensure all wire connections are tight and secure to prevent loose contacts and potential hazards.
- Use Correct Tools: Use appropriate insulated tools for electrical work.
3. Setup and Installation
This section provides general guidelines for installing the MOLLOM 2 Way Circuit Breaker MCB Distribution Protection Box. Specific wiring diagrams for your application should be followed by a qualified professional.
3.1 Unpacking and Inspection
- Carefully unpack the distribution box and its components.
- Verify that all items listed in the 'What's in the Box' section are present and undamaged.
- Included components: 1 x Miniature Circuit Breaker Box, 4 x Expansion screws, 2 x Waterproof Connectors.
3.2 Mounting the Enclosure
- Choose a suitable mounting location that is flat, stable, and accessible, away from direct heat sources or excessive vibration.
- Use the provided expansion screws to securely mount the box to the wall. Mark the drilling points using the box as a template.
- Drill appropriate holes for the expansion screws and insert the anchors.
- Fasten the distribution box to the wall using the screws.
3.3 Wiring and Circuit Breaker Installation
The box includes a DIN rail for mounting miniature circuit breakers and bus bars for neutral and ground connections. Ensure proper sizing and type of circuit breakers for your application.
- Conduit Entry: The enclosure features designated areas for conduit entry. You will need to drill holes for your specific conduit size. Use a step drill bit to create clean holes and avoid cracking the plastic.
- Install MCBs: Snap your miniature circuit breakers onto the integrated DIN rail.
- Connect Wiring: Connect the incoming and outgoing electrical wires to the circuit breakers and bus bars according to your electrical diagram. Ensure all connections are tight.
- Waterproof Connectors: Utilize the provided waterproof connectors for cable entry to maintain the IP65 rating.
- Seal the Box: Ensure the clear cover is properly closed and sealed to maintain its waterproof and dustproof integrity. The box contains a latex ring for sealing.

Image 3.1: Internal view showing DIN rail and bus bars for MCB installation.

Image 3.2: Detail of the waterproof latex seal for enhanced protection.
Video 3.3: Demonstration of miniature circuit breaker installation within a similar MOLLOM distribution box.
4. Operating Instructions
The MOLLOM distribution box provides a protective enclosure for your circuit breakers. Operation primarily involves monitoring and resetting the MCBs as needed.
- Monitoring: The transparent flip cover allows for quick visual inspection of the circuit breaker status (ON/OFF) without opening the enclosure.
- Resetting Breakers: If a circuit breaker trips (moves to the OFF position), identify the cause of the overload or short circuit. Once the issue is resolved, you can reset the breaker by flipping its switch back to the ON position.
- Security: The clear cover can be secured with a small padlock (not included) for added security, preventing unauthorized access to the circuit breakers.

Image 4.1: The IP65 rating ensures protection in various environments.
Video 4.2: General overview of a miniature circuit breaker and its operation.
5. Maintenance
Regular maintenance helps ensure the continued performance and safety of your MOLLOM distribution box.
- Cleaning: Periodically clean the exterior of the box with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the material or seals.
- Seal Inspection: Annually inspect the waterproof seals around the cover and cable entries for any signs of wear, cracking, or damage. Replace if necessary to maintain the IP65 rating.
- Fastener Check: Periodically check all mounting screws and internal connections to ensure they remain tight.
- Clear Cover: Keep the clear cover free from obstructions and excessive dirt to ensure visibility of the circuit breakers.
6. Troubleshooting
This section addresses common issues you might encounter with the distribution box.
| Problem | Possible Cause | Solution |
|---|---|---|
| Water or dust inside the box | Damaged or improperly seated seals; improperly installed cable glands; loose cover. | Inspect and replace seals if damaged. Ensure cable glands are tightened correctly. Verify the cover is securely closed. |
| Circuit breakers not fitting on DIN rail | Incorrect MCB size or type; DIN rail obstruction. | Ensure MCBs are standard DIN rail mountable. Check for any debris on the DIN rail. |
| Difficulty drilling conduit holes | Using incorrect drill bit; excessive force. | Use a step drill bit for clean holes. Apply steady, moderate pressure. |
7. Specifications
Technical specifications for the MOLLOM 2 Way Circuit Breaker MCB Distribution Protection Box HT-2.
| Feature | Detail |
|---|---|
| Model | HT-2 |
| Number of Ways | 2 |
| Product Dimensions (L x W x H) | 60mm x 95mm x 125mm (2.4" x 3.7" x 4.9") |
| Material | PC+ABS Alloy |
| Ingress Protection (IP) Rating | IP65 (Waterproof and Dustproof) |
| Impact Resistance | IK08 |
| Phase Type | Single Phase |
| Included Components | 1 x Miniature Circuit Breaker Box, 4 x Expansion screws, 2 x Waterproof Connectors |
| Weight | 160 g |

Image 7.1: Product dimensions for the MOLLOM HT-2 model.
8. Warranty and Support
For warranty information, technical support, or any inquiries regarding your MOLLOM 2 Way Circuit Breaker MCB Distribution Protection Box, please contact MOLLOM customer service through the retailer where the product was purchased or visit the official MOLLOM website.
Please retain your proof of purchase for warranty claims.