here are several circuit breaker solutions for a commercial plaza, focusing on low voltage applications with lighting, air conditioning, and fans, and including overload, short circuit, and leakage protection.
Solution 1: Molded Case Circuit Breaker (MCCB) Key Features:
1. Application: Low voltage distribution systems in commercial plazas (≤690V)
2. Breaker Type: Molded Case Circuit Breaker (MCCB)
3. Protection Features: -
**Overload Protection**: Thermal magnetic or electronic trip units -
**Short Circuit Protection**: Thermal magnetic or electronic trip units -
**Leakage Protection**: Integrated leakage protection module Recommended Models:
**Main Breaker**: Schneider NSX250N - 250A-
**Sub Breakers**: Schneider NSX100F - 100A (for lighting loads)-
**Sub Breakers**: Schneider NSX160F - 160A (for air conditioning and fans)Solution
2: Air Circuit Breaker (ACB) + Molded Case Circuit Breaker (MCCB)
Key Features:
1. **Application**: Main and branch distribution panels in commercial plazas
2. **Breaker Type**: - **Main Breaker**: Air Circuit Breaker (ACB) - **Branch Breakers**: Molded Case Circuit Breaker (MCCB)
3：Protection Features**: -
**Overload Protection**: Electronic trip units-
**Short Circuit Protection**:
Electronic trip units -
**Leakage Protection**: External leakage protection device or integrated module Recommended Models:- **Main Breaker**: ABB Emax
2 - E2.2 - 3200A-
**Sub Breakers**: ABB Tmax XT4 - 250A (for lighting loads)-
**Sub Breakers**: ABB Tmax XT5 - 400A (for air conditioning and fans)
Solution 3: Smart Circuit Breaker
Key Features:
1. **Application**: Commercial plazas requiring smart monitoring and management
2. **Breaker Type**: Smart Circuit Breaker
3. **Protection Features**: -
**Overload Protection**:
Electronic trip units -
**Short Circuit Protection**:
Electronic trip units -
**Leakage Protection**:
Integrated leakage protection module
4. **Additional Features**:
Remote monitoring, data
