The advantages of ai -insulated indoor electrical motorized load break switches are mainly reflected in simple structure, convenient maintenance and low cost:
Compact structure and low maintenance cost
With air as the interrupting medium, indoor electrical motorized load break switches do not rely on SF6 gas or a vacuum chamber. This results in a simpler design, easier installation, and reduced maintenance expenses.
High operational reliability
The air arc quenching process has an inherent self extinguishing feature, which minimizes the risk of arc reignition and enhances operational safety. In addition, the spring operated mechanism is designed for both AC and DC control power, to ensure dependable performance in different supply conditions.
Wide application range
Indoor electrical motorized load break switches are widely used in industrial facilities, commercial complexes, and high rise buildings where budget constraints are important. They provide reliable load switching for everyday use while keeping equipment investment at a reasonable level.
|
Max. Working Voltage (kV) |
12 |
|
Rated Frequency (Hz) |
50 or 60 |
|
Rated Current (A) |
400 / 630 / 1250 |
|
Rated Breaking Current (kA) |
25 / 31.5 |
|
Power Frequency Withstand Voltage (kV/1 min) |
42 |
|
Lightning Impulse Withstand Voltage (kV) |
75 |
|
Operation Mode |
Manual / motor driving |
|
Mechanical life (times) |
5000 |
Q: What is an indoor motorized load break switch?
A: A motorized load break switch is a switching device designed to open and close electrical circuits under load conditions. The “motorized” version is equipped with an electric motor and control unit. it allows remote operation in addition to manual switching.
Q: What are the main advantages to use a motorized type LBS?
A: Compared with manual load break switches, motorized load break switches improve safety and convenience by enabling remote control, fast switching, and integration with automation systems. Indoor electrical motorized load break switches also reduce the need for on-site intervention in hard-to-reach or hazardous locations.
Q: What typical voltage and current ratings are available?
A: Indoor motorized load break switches are usually designed for medium voltage networks, commonly 6 kV, 10 kV, or 12 kV, with current ratings ranging from 400 A to 1250 A. Exact ratings depend on the manufacturer and the application.
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