1500V 400A DC Molded Case Circuit Breaker MCCB
The 1500V 400A DC MCCB is the main protection system for low voltage electrical installations. It is installed in each electrical distribution cabinet to prevent overvoltage from spreading in electrical installations and loads.
Technical Specifications
Overview
High-Voltage DC Protection Solution
The MDM5Z-400 is a high-performance molded case circuit breaker designed as the primary protection system for low voltage electrical installations, specifically optimized for solar DC systems. It effectively prevents overvoltage propagation, protecting circuits and power equipment from damage caused by short circuits and undervoltage. Engineered for versatility, it supports both vertical and horizontal installation in electrical distribution cabinets.
Key Performance Metrics
Key Performance Metrics
1,500 V DC
Rated Voltage
400 A
Rated Current
8 kV
Impulse Withstand
Technical Specifications
- Rated Insulation Voltage (Ui)
- 1000 V
- Icu/Ics Breaking Capacity
- 40/25kA
- Utilization Category
- Category A
- Reference Operating Temperature
- 40 °C
Protection & Features
Enclosure Material
- PA66 Flame Retardant Material
- High Wear Resistance
- Heat and Chemical Resistance
- Static Electricity Dissipation
- Electrostatic Discharge (ESD) Protection
- Protection Functions
- Overload ProtectionShort Circuit ProtectionUndervoltage ProtectionOvervoltage Prevention
- Status Indicators
- Red (ON) and Green (OFF) visualization for clear status identification
Installation & Standards
International Standards
IEC 60947-2GB/T 14048.2CCC
- Mounting Orientation
- VerticalHorizontal
Product Series Data
MDM1Z Series Selection Guide
| Model | Rated Continuous Current (A) | Rated Working Voltage (V) |
|---|---|---|
| MDM1Z-125 PV | 125 | 250V / 500V |
| MDM1Z-250 PV | 250 | 500V / 750V |
| MDM1Z-400 PV | 400 | 500V / 750V |
| MDM1Z-630 PV | 630 | 500V / 750V |
| MDM1Z-1250 PV | 1,250 | 750V / 1000V |
