N8DH Product Details - N8DH
N8DH Circuit Breaker Main View
1P View

N8DH Miniature Circuit Breaker

High-performance protection for residential and commercial applications.

Standard Compliance
IEC/EN 60898-1
Poles Configuration
1P+N
Rated Current
6A-40A
Rated Frequency
50/60 Hz
Short Circuit Capacity
10 kA
Working Voltage
1P+N:230 AC
Trip Characteristic
Type B, C, D
Mechanical Life
10,000 operations
Electrical Life
6,000 operations
N8DH Technical Specifications

N8DH Miniature Circuit Breaker Specifications

General Information
ModelN8DH
Number of Poles1P+N
Electrical Specifications
Rated Current (In)6A-40A
Rated Working Voltage (Ue)1P+N:230/400V
Rated Insulation Voltage (Ui)500 V
Rated Impulse Withstand Voltage (Uimp)10 kA
Dielectric Test Voltage2 kV
Instantaneous Release TypeB, C, D
Residual Current Working TypeB, C, D
Residual Current Protection Type440
Mechanical Performance & Life
Mechanical Life10,000 operations
Electrical Life6,000 operations
Accessories & Indicators
Shunt Release (SHT)/
Under Voltage Release (UVT)/
Auxiliary Contact (AUX)/
Alarm Contact (ALT)/
Contact Position Indicator/
Fault Indication/
Environment & Installation
Operating Temperature-5℃ ~ +40℃ (Daily average ≤ 35℃)
Storage Temperature-25℃ ~ +70℃
Degree of Protection (IP Code)IP40 (Enclosure), IP20 (Terminals)
Pollution Degree30
Reference Temperature for Thermal Element2℃
Connection Wire Cross-section1 - 16 mm²
Busbar Cross-section35 mm²
Installation MethodCable / Busbar
Connection DirectionTop or Bottom entry permitted