National Power Industries is a trusted manufacturer, supplier, and exporter of high-quality Load Break Switches (LBS) in Vadodara, Surat, Vapi, Valsad, and across South Gujarat, India.
A Load Break Switch (LBS) is a mechanical switching device designed for medium-voltage electrical distribution systems. It enables safe switching (ON/OFF) of electrical circuits under normal load conditions. Unlike isolators, which operate only when the circuit is de-energized, an LBS can interrupt current flow safely during live conditions.
These switches are equipped with advanced arc-quenching technologies such as SF6 gas, vacuum, or air insulation, ensuring safe and efficient interruption of electrical arcs during operation. Load Break Switches are widely used in Ring Main Units (RMU) and switchgear systems to isolate sections of the network for maintenance and operational flexibility.
While LBS devices are not designed to interrupt fault currents like circuit breakers, they play a vital role in maintaining system reliability, safety, and continuity in medium-voltage power distribution networks.
Load Break Switch (LBS) is a mechanical switching device used in medium-voltage systems to safely turn electrical circuits ON or OFF under normal load conditions.
An LBS can interrupt current while the circuit is live, whereas an isolator is operated only when the circuit is completely de-energized.
No, an LBS is not designed to interrupt fault currents. For fault protection, circuit breakers are required.
They are widely used in Ring Main Units (RMU), substations, industrial distribution systems, and transformer isolation applications.
Load Break Switches use SF6 gas, vacuum, or air insulation to safely extinguish electrical arcs during switching.
It ensures safe operation, allows section isolation for maintenance, and improves overall system reliability and flexibility.
LBS devices are typically used in medium-voltage systems, generally up to 36 kV.
It offers safe load switching, low maintenance, long service life, compact design, and cost-effective operation.
Yes, LBS is ideal for industrial power systems where controlled switching and isolation are required.
p 10. How does an LBS improve safety in electrical systems? It minimizes the risk of arc hazards by using efficient arc-quenching technology during switching operations.Yes, LBS can be designed for both indoor and outdoor applications depending on the installation requirements.
LBS requires minimal maintenance due to its robust construction and reliable operating mechanism.
Yes, they are more economical for applications where fault interruption is not required.
Power utilities, manufacturing industries, infrastructure projects, and commercial facilities commonly use LBS.
National Power Industries offers high-quality, tested products, customized solutions, and strong after-sales support across South Gujarat.
