UB7N Product Details -UB7N
UB7N Circuit Breaker Main View
1P View
2P View
3P View
4P View

UB7N Miniature Circuit Breaker

High-performance protection for residential and commercial applications.

Standard Compliance
IEC/EN 60898-1
Poles Configuration
1P , 2P ,3P ,4P
Rated Current
1A-63A
Rated Frequency
50/60 Hz
Short Circuit Capacity
6 KA
Working Voltage
1P:230/400V AC
2P/3P/3P:400V AC
Trip Characteristic
Type B、C, D
Mechanical Life
10,000 operations
Electrical Life
6000 operations
UB7N Technical Specifications

UB7N Miniature Circuit Breaker Specifications

General Information
ModelUB7N
Number of Poles1P、2P、3P、4P
Electrical Specifications
Rated Current (In)1A-63A
Rated Working Voltage (Ue)1P:230/400V
2P/3P/4P:400V~
Rated Insulation Voltage (Ui)500 V
Rated Impulse Withstand Voltage (Uimp)6 KA
Dielectric Test Voltage2 kV
Instantaneous Release Type B, C, D
Residual Current Working TypeB, C, D
Residual Current Protection Type440
Mechanical Performance & Life
Mechanical Life10000 operations
Electrical Life6000 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