Description:

The SM6-24 DM1-A is a specific configuration within Schneider Electric’s SM6-24 range of air-insulated switchgear, designed for medium-voltage applications up to 24 kV. This particular model features a fixed-type circuit breaker and utilizes SF6 gas for arc quenching.

Key Features:

Fixed-Type Circuit Breaker: The DM1-A unit is equipped with a fixed (non-withdrawable) circuit breaker, providing reliable protection and control for medium-voltage networks.

SF6 Breaking Technology: Employs SF6 gas for effective arc quenching, ensuring high performance and safety during switching operations.

Air-Insulated Design: The switchgear is air-insulated, offering a compact and modular solution suitable for various installation environments.

Technical Specifications:

Rated Voltage: Up to 24 kV.

Rated Current: Typically available in 400 A, 630 A, and 1250 A configurations.

Short-Circuit Withstand Capacity: Up to 25 kA for 1 second.

Internal Arc Classification: Options for 12.5 kA for 1 second and 16 kA for 1 second, with classifications A-FL and A-FLR. An additional internal arc withstand rating of 20 kA for 1 second is available with upward exhaust configurations.

Applications:

The SM6-24 DM1-A is suitable for various medium-voltage applications, including:

Secondary Distribution Networks: Ideal for use in medium-voltage sections of MV/LV transformer substations within distribution systems.

Industrial Facilities: Suitable for medium-voltage industrial switchboards, providing reliable protection and control.

Infrastructure Projects: Applicable in infrastructure projects requiring compact and modular switchgear solutions.

For detailed technical specifications and configuration options, please refer to Schneider Electric’s official product documentation or contact their technical support.