TOMZN 125A DC Circuit Breaker 2P DC MCCB 1000V TOM7Z-125/2300 – Ultimate DC System Protection in Bangladesh
Elevate the safety and reliability of your high-voltage DC electrical systems with the advanced TOMZN 125A DC Circuit Breaker 2P DC MCCB 1000V, model TOM7Z-125/2300. Engineered for superior performance and robust protection, this Moulded Case Circuit Breaker (MCCB) is an indispensable component for solar photovoltaic (PV) installations, battery energy storage systems, DC distribution panels, and other demanding direct current applications across Bangladesh. Designed to effectively protect circuits from overloads and short circuits, the TOM7Z-125/2300 ensures the longevity and stable operation of your critical DC infrastructure.
As the demand for renewable energy and efficient DC power solutions grows in Bangladesh, so does the need for reliable protective devices. The TOMZN TOM7Z-125/2300 stands out as a high-quality solution, offering unparalleled safety features and a durable design built to withstand challenging operational environments. Whether you're setting up a commercial solar farm, an industrial DC motor control system, or a large-scale battery bank, this 2-pole, 1000V DC MCCB provides the peace of mind that your investments are well-protected.
Key Features of TOMZN TOM7Z-125/2300 DC MCCB
The TOMZN 125A DC Circuit Breaker is packed with features that ensure optimal performance and safety:
- High Rated Voltage & Current: Specifically designed for DC 1000V systems and rated for 125 Amperes, making it ideal for high-power DC applications prevalent in modern energy systems.
- Double Pole (2P) Protection: Offers comprehensive protection by simultaneously disconnecting both positive and negative lines in a DC circuit, enhancing safety and fault isolation.
- Superior Breaking Capacity: Features a high ultimate short-circuit breaking capacity (Icu) of 10kA, ensuring it can safely interrupt large fault currents without damage, crucial for industrial and solar installations in Bangladesh.
- Thermal-Magnetic Trip Unit: Provides dual protection against both sustained overloads (thermal protection) and sudden, severe short circuits (magnetic protection), offering comprehensive fault detection.
- Robust & Durable Construction: Manufactured with high-quality, flame-retardant materials that meet industrial standards, ensuring long-term reliability and resistance to harsh environmental conditions, including those found in Bangladesh.
- Quick Arc Extinguishing System: Advanced internal design ensures rapid extinguishing of DC arcs, which are more persistent than AC arcs, thereby minimizing damage and improving safety during fault clearing.
- Compliance with International Standards: Fully compliant with IEC/EN 60947-2, guaranteeing adherence to global safety and performance benchmarks.
- Easy Installation & Maintenance: Designed for convenient panel mounting with screw terminals, allowing for secure and straightforward wiring by electricians and technicians.
- Temperature Resilience: Operates reliably across a wide temperature range from -25°C to +70°C, suitable for diverse climatic conditions in Bangladesh.
- Visual Trip Indicator: Provides clear indication of the breaker's status (ON/OFF/TRIP) for quick troubleshooting and operational awareness.
Comprehensive Specifications Table
Here are the detailed technical specifications for the TOMZN 125A DC Circuit Breaker 2P DC MCCB 1000V TOM7Z-125/2300:
| Specification |
Value |
| Model |
TOM7Z-125/2300 |
| Type |
DC Moulded Case Circuit Breaker (MCCB) |
| Poles |
2P (Double Pole) |
| Rated Current (In) |
125A |
| Rated Voltage (Ue) |
DC 1000V |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) |
10kA |
| Rated Service Short-Circuit Breaking Capacity (Ics) |
7.5kA (75% of Icu) |
| Tripping Characteristic |
Fixed thermal and fixed magnetic trip settings optimized for DC applications |
| Electrical Life |
≥ 6,000 operations |
| Mechanical Life |
≥ 20,000 operations |
| Standard Compliance |
IEC/EN 60947-2 |
| Protection Degree |
IP20 (Terminals), IP40 (Enclosure with cover) |
| Operating Temperature Range |
-25°C to +70°C |
| Storage Temperature Range |
-40°C to +85°C |
| Relative Humidity |
≤ 95% (at 40°C) |
| Terminal Type |
Screw Type |
| Terminal Capacity |
25-70mm² (Copper conductor) |
| Warranty |
6 Months (Except Burn and Physical Damage) |
| Dimensions (L x W x H) |
130mm x 70mm x 85mm (Approx.) |
| Weight |
0.95 kg (Approx.) |
| Rated Impulse Withstand Voltage (Uimp) |
8kV |
Benefits of Choosing TOMZN 125A DC MCCB
Investing in the TOMZN TOM7Z-125/2300 DC Circuit Breaker offers significant advantages for your DC power systems:
- Enhanced System Safety: Provides critical protection against overcurrents and short circuits, preventing equipment damage, electrical fires, and ensuring personnel safety.
- Reliable Performance: Engineered for stability and consistent operation, even under fluctuating load conditions and extreme temperatures, vital for the demanding power sector in Bangladesh.
- Increased Equipment Lifespan: By preventing damaging electrical faults, the MCCB helps extend the operational life of expensive DC components like inverters, charge controllers, and batteries.
- Reduced Downtime: Rapid fault clearing minimizes system downtime, ensuring continuous power supply and operational efficiency for your business or home.
- Cost-Effectiveness: A durable and reliable protection device reduces the need for frequent replacements and costly repairs, offering long-term savings.
- Versatile Application: Suitable for a wide array of DC applications, from large-scale solar power plants to backup battery systems, making it a flexible choice for various projects in Bangladesh.
- Peace of Mind: Knowing your DC systems are protected by a high-quality, internationally compliant circuit breaker brings confidence in your electrical infrastructure.
Usage and Installation Instructions
For optimal performance and safety, proper installation of the TOMZN 125A DC Circuit Breaker 2P DC MCCB 1000V is crucial. Always ensure installation is performed by a qualified electrician in accordance with local electrical codes and standards, particularly those applicable in Bangladesh.
- Safety First: Before installation, ensure that the power supply to the circuit is completely disconnected and verified using a voltage tester.
- Mounting: Mount the MCCB securely onto a panel using appropriate screws. Ensure adequate space for ventilation and wiring.
- Wiring: Connect the incoming DC positive (+) and negative (-) conductors to the designated input terminals of the MCCB. Similarly, connect the outgoing DC positive (+) and negative (-) conductors to the output terminals. Ensure correct polarity.
- Tighten Terminals: Use a torque wrench to tighten all terminal screws to the manufacturer's specified torque values (typically found in the product manual) to prevent loose connections and overheating.
- Testing: After installation, perform a continuity test and then gradually restore power to the circuit, monitoring for proper operation and absence of faults.
- Regular Inspection: Periodically inspect the MCCB for any signs of damage, overheating, or loose connections.
Always refer to the official TOMZN product manual for detailed wiring diagrams and specific installation guidelines.
Why Choose TOMZN for Your DC Protection Needs?
TOMZN is a globally recognized brand renowned for manufacturing high-quality electrical protection devices. With a strong commitment to innovation, reliability, and safety, TOMZN products like the TOM7Z-125/2300 are trusted by professionals worldwide. Choosing TOMZN means opting for:
- Proven Quality: Products undergo rigorous testing to ensure they meet and exceed international safety and performance standards.
- Advanced Technology: Continuous research and development lead to cutting-edge solutions for modern electrical challenges.
- Global Trust: A reputation built on delivering reliable and durable electrical components to a diverse international market.
- Value for Money: Offering premium features and performance at competitive prices, making high-quality protection accessible for projects in Bangladesh.
Availability and Price of TOMZN 125A DC Circuit Breaker in Bangladesh
The TOMZN 125A DC Circuit Breaker 2P DC MCCB 1000V TOM7Z-125/2300 is readily available in Bangladesh through authorized distributors and leading electrical equipment suppliers. You can find this essential DC protection device in major cities like Dhaka, Chittagong, Sylhet, and Khulna, as well as through reputable online e-commerce platforms that offer nationwide delivery in Bangladesh.
When searching for the TOMZN 125A DC Circuit Breaker price in Bangladesh, you will find it offers excellent value given its high specifications and reliability. The estimated price for the TOMZN TOM7Z-125/2300 in the Bangladesh market typically ranges from ৳7,500 to ৳8,500, though prices may vary slightly based on the vendor, current import costs, and promotional offers. We recommend checking with multiple trusted suppliers for the best price in Bangladesh and to ensure you are purchasing a genuine product. For those looking to purchase locally, searching for "TOMZN DC MCCB near me in Bangladesh" will help you locate nearby electrical stores or distributors.
Many suppliers offer convenient delivery in Bangladesh, ensuring that this critical component can reach your project site quickly and efficiently, no matter where you are located. Ensure you buy from authorized dealers to guarantee authenticity and access to warranty services.
