2025-12-10
The DZ20 series MCCB Moulded Case Circuit Breaker has become a widely trusted protection device in industrial and commercial electrical systems. At Shanghai FATO Group Co., Ltd., I've seen how this series provides reliable overload, short-circuit, and under-voltage protection, ensuring equipment stability and operator safety. Its durability, flexible installation, and high breaking capacity make it essential across manufacturing plants, distribution systems, and automation lines. Below, I break down its functions, importance, performance, and why it stands out.
The DZ20 series MCCB Moulded Case Circuit Breaker provides multiple core protections:
Overload protection
Short-circuit instant protection
Adjustable trip settings
Safe manual switching
Strong arc-extinguishing performance
High durability for harsh industrial environments
These functions ensure system reliability and reduce downtime due to electrical faults.
When I apply the DZ20 series MCCB Moulded Case Circuit Breaker in projects, its effects often include:
Stable operation with minimal nuisance tripping
Extended equipment lifespan due to precise protection
Improved safety with high mechanical endurance
Easy maintenance thanks to molded-case construction
Its high breaking capacity allows it to handle sudden fault currents effectively.
Its importance lies in preventing catastrophic failures caused by electrical overloads or short circuits. For businesses, this means:
Reduced equipment damage
Lower maintenance cost
Higher continuity of production
Enhanced workplace safety
In power distribution networks, this breaker acts as a frontline defensive tool.
| Item | Description |
|---|---|
| Rated Current | 10A – 630A |
| Rated Voltage | AC 50/60Hz, up to 690V |
| Breaking Capacity | Up to 50kA |
| Trip Unit | Thermal-magnetic / Adjustable |
| Installation | Fixed or plug-in type |
| Standard Compliance | IEC/GB standards |
A1: Because its high breaking capacity and robust structure provide stable protection, especially in heavy-load environments.
A2: I find the adjustable trip unit extremely useful—it allows fine-tuning protection based on real-world load characteristics.
A3: From my experience, its molded-case durability and mechanical endurance outperform many conventional breakers over long-term operation.
Factory production lines
Motor control centers
Power distribution cabinets
Office buildings
Shopping malls
HVAC systems
Ensures stable distribution
Protects machinery and wiring
Prevents unexpected shutdowns
As a manufacturer dedicated to high-quality electrical solutions, Shanghai FATO Group Co.,Ltd. provides reliable MCCB products, fast delivery, and technical support. Our DZ20 series is engineered for performance, safety, and long-term value.
If you want professional guidance, competitive pricing, or technical support for the DZ20 series MCCB Moulded Case Circuit Breaker, feel free to contact us anytime.