Technical Specifications
Overview
DZ20Y Series MCCB Overview
The DZ20Y series molded case circuit breaker is engineered for reliable electrical protection in circuits with a frequency of AC 50 Hz. Designed for distribution networks operating at 380V and below, this device provides essential overload, short-circuit, and under-voltage protection for power equipment. Specific models are also suitable for motor protection, supporting the starting and operation of squirrel-cage motors.
Key Metrics
Rated Current
Breaking Capacity
Technical Specifications
Electrical Ratings
| Parameter | Value |
|---|---|
| Rated Operational Voltage | 380V |
| Rated Insulation Voltage | 660V |
| Rated Frequency | 50Hz |
| Impulse Withstand Voltage | 6kV |
Model Range
- 100
- 225
- 400
- 630

Compliance & Environment
- Standards Compliance
- GB14048.2IEC 60947-2
- Reference Temperature
- 40 °C






