General Electric Low Voltage Switchgear: the cornerstone of industrial Power security
In the modern industrial system, a stable and reliable power supply is the lifeline of production. General Electric Low Voltage Switchgear (General Electric low Voltage switchgear) is the "central nervous system" of this system. It is designed for AC power distribution systems of 1000V and below, and is responsible for power distribution, equipment control and fault protection.
product advantages
Core technical advantages
Ultimate breaking and current limiting ability
Fully selective protection (ZSI)
Robust physical structure and safety design
Intelligent and digital operation and maintenance
In the face of extreme faults such as short circuits, GE low-voltage switchgear has demonstrated strong "toughness". The high-performance circuit breakers it is equipped with (such as the Entelliguard series) have extremely high rated short-circuit breaking capacity (Icu), and some models can reach more than 150kA. With advanced current-limiting technology, it can forcibly extinguish the arc within microseconds and lock the fault energy in a minimum range, thereby effectively protecting transformers, cables and downstream expensive equipment from thermal shock and electric power damage.
Fully selective protection (ZSI)
This is the key technology that distinguishes GE from ordinary switchgear. Through the Zone Selective Interlocking logic, the precise cooperation of the upper and lower circuit breakers is realized. When a fault occurs at the end of the line, only the shunt switch closest to the point of failure tripped, and the superior main switch remained closed. This means that even if there is a single point of equipment failure, the production power supply in other areas of the factory will not be affected, greatly improving the continuity of power supply.
In view of the harsh environment of heavy industry, the GE switchgear cabinet adopts a multi-bending process of high-strength aluminum-zinc steel plate. Its structure has been strictly verified and has high-strength resistance to short-circuit current electric power (Icw). In the event of a serious short circuit, the cabinet will not be deformed, and it has a perfect anti-electric shock and anti-arc ejection design to ensure compliance with IEC 61439 and other international safety standards to ensure the personal safety of operation and maintenance personnel.
Intelligent and digital operation and maintenance
In line with the trend of industry 4.0, this series of products integrates intelligent trippers and supports a variety of communication protocols. It can not only perform protection functions, but also collect current, voltage, power and switching status data in real time, and upload fault recording to the central control room. This "perspective" ability helps enterprises realize the transformation from "post-failure maintenance" to "predictive maintenance", significantly reducing the risk of unplanned downtime.
summary
Product Specifications
| Project | Unit | Parameter | ||
| Rated Voltage | KV | 3, 6, 10 | ||
| Rated Frequency | HZ | 50 | ||
| Maxinum Working Voltage | KV | 3.6, 7.2, 12 | ||
| Rated Current | A | 630, 1250 | ||
| Rated Peak Withstand Current | KA | 20, 25, 31.5 | ||
| Rated Short Time Withstand Breaking Current (4s) | KA | 50, 25, 31.5 | ||
| Rated Short Circuit Breaking Current | KA | 20, 25, 31.5 | ||
| Rated Short Circuit Current (Peak) | KA | 50, 63, 81 | ||
| Rated Insulatin Level | Lightning Impulse Withstand Voltage (Full Wave) | KA | 75, 85 | |
| Power Frequency Withstand Voltage (1min) | KV | 42, 48 | ||
| protection Level of Cabinet | IP3X | |||
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