Lenoir Load Break Switches

Vishesh Group supplies Lenoir Elec Load Break Switches, engineered for safe and reliable on-load DC switching in railway traction power networks. These switches are designed specifically for 750 VDC and 1500 VDC systems, where high current levels and frequent operations demand proven performance.

By combining motorized contactor technology with integrated energy storage mechanisms, Lenoir load break switches ensure secure coupling, isolation, and load interruption even under the most demanding operating conditions.

Lenoir IF and CMA Load Break Switch for DC Traction

Key Features

True on-load switching capability for DC traction circuits
Rated for 750 VDC and 1500 VDC railway networks
Current ratings from 800A to 6300A
High breaking and making capacity for DC loads
Visible isolation gap for enhanced operator safety
Manual or motorized operation options
Energy storage system for reliable opening and closing
Designed for frequent and repetitive switching cycles

Applications

Railway traction power substations
Metro and urban transit systems
Light rail and tramway networks
DC feeder and coupling circuits
Transportation power infrastructure

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Technical Specifications

Parameter	Specification
Operating Voltage	750 VDC / 1500 VDC
Rated Current	800A to 6300A
Breaking Capacity	10 kA at 1000 VDC (L/R = 5 ms)
Making Capacity	Minimum 66 kA
Electrical Withstand	Minimum 75 kA
Operation	Manual or motorized with energy storage
Polarity	One or two main polarities

IF Type & CMA Load Break Switches

IF Type On-Load Switches: Designed for frequent DC switching operations in railway traction circuits, offering proven reliability under inductive DC loads.
CMA Load Break Switches: High-current load break switches suitable for traction substations and fixed railway infrastructure, with long mechanical and electrical service life.

Key Features

Applications

Technical Specifications

IF Type & CMA Load Break Switches

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