Function and use
NA8 series universal circuit breakers have rated operating currents from 200A to 7500A, rated ultimate short-circuit breaking capacity up to 150kA, rated operating voltage up to 690V, and operating ambient temperatures of -45°C~+70°C. NA8 series universal circuit breakers integrate high breaking, zero flashover, and multiple intelligent protection functions. They have strong comprehensive performance and can meet the use needs of different scenarios.
Detailed description
Parameters:
Icu up to (Icu=Ics=Icw/1s): 150kA
Rated operating current: from 200A to 7500A
Using ambient temperature: -45°C~+70°C
Advantages/core functions:
01 Comprehensive protection, safe and reliable
Icu=Ics=Icw/1s and breaking performance are greatly improved, improving line protection capabilities
The rated working voltage is as high as 1140V, meeting the needs of more use scenarios
02 Innovative technology, super durable
New contact system design and new materials, effectively extending the electrical life of the product
Full-automatic welding of the operating mechanism spindle to improve product synchronization
03 Easy installation and flexible use
Rotatable busbar, convenient for free combination of wiring
Reduce screws and components, improve disassembly and assembly efficiency
Detailed parameters
< td>Integrated mask
| Parameter classification | Parameter item | Parameter value |
|---|
| Comprehensive protection, safe and reliable | Excellent performance | Icu=Ics=Icw/1s And the breaking performance is greatly improved, and the line protection capability is improved |
| Strong reliability | 3s Short-term withstand current, improve the reliability of product applications |
| High safety | All standard three-position locks, improve the safety of operation and maintenance personnel |
| Innovative technology, super durable | High durability | High durability |
| td> | New contact system design and new materials effectively extend the electrical life of the product |
| High synchronization | Full-automatic welding of the spindle of the operating mechanism improves product synchronization |
| Arc efficiency | Unique arc extinguishing system design effectively improves product performance |
| Easy to install and flexible to use | Flexible wiring | Rotatable busbar for easy combination of wiring |
| Reduce screws and parts, improve disassembly and assembly efficiency |
| Button integration | Button integration is designed on the mask, improving the operating experience and making it smoother |
