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10kV SF₆ Insulated Switchgear 8DJH HA40.2-2011 (Siemens Authorized)

The 8DJH switchgear is a three-phase, metal-enclosed indoor unit featuring SF₆ gas insulation. Designed for single-busbar configurations, it operates in 10–24kV, 50Hz power systems and supports feeder currents up to 630A. This advanced switchgear ensures reliable power reception, distribution, and control, offering exceptional safety and operational efficiency. Ideal for substations, industrial facilities, and commercial power grids, it provides robust performance in environments with stringent safety and reliability demands.

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  • 8DJH HA40.2-2011 (Siemens Authorized) SF₆ Insulated Switchgear Features 
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    Modular Design
    Flexible unit combinations without the need for gas operations, supporting multiple configurations for varying installation requirements.
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    Advanced Technology
    SF₆ insulated and climate-resistant, with gas-tight compartments and laser-welded stainless steel enclosures, ensuring longevity and operational reliability.
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    Enhanced Safety
    Offers five interlocking functions and visible indicators to prevent operational errors, providing a safe working environment.
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    Minimal Maintenance
    Built with a sealed, maintenance-free pressure system, resulting in minimized upkeep and lifecycle costs.
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    Long Service Life
    Expected service life of over 35 years, extending to 50 years under optimal conditions.

 

 

 

 

 

 

 

  • Specifications

 

Rated Insulation Level Rated Voltage 7.2kV 12kV 15kV 17.5kV 24kV
Rated Power Frequency Withstand Voltage Phase-to-Phase / Phase-to-Ground 20kV 28/42*kV 36kV 38kV 50kV
Isolation Breaker 23kV 32/48*kV 39kV 45kV 60kV
Rated Lightning Impulse Withstand Voltage Phase-to-Phase / Phase-to-Ground 60kV 75kV 95kV 95kV 125kV
Isolation Breaker 70kV 85kV 110kV 110kV 145kV
Rated Frequency 50/60Hz
Rated Current** Ring Main Unit Cabinet 400/630A
Circuit Breaker Cabinet 630A
Busbar 250/630A
Transformer Cabinet 200(depends on HV HRC Fuse)
50Hz Rated Short-Time Withstand Current Short-Circuit Duration=1s 25kA
Short-Circuit Duration=3s(optional) 20kA
Rated Peak Withstand Current 63kA
Rated Short-Circuit Breaking Current Ring Main Unit Cabinet 63kA
Circuit Breaker Cabinet 63kA
Transformer Cabinet 63kA
60Hz Rated Short-Time Withstand Current Short-Circuit Duration=1s 21kA
Short-Circuit Duration=3s(optional) 21kA
Rated Peak Withstand Current 55kA
Rated Short-Circuit Breaking Current Ring Main Unit Cabinet 55kA
Circuit Breaker Cabinet 55kA
Transformer Cabinet 55kA
Inflating Pressure Rated Inflating Pressure 150kPa
Minimum Inflating Pressure 130kPa
Operating Temperature Without Secondary Equipment -25/-40 to 55/70℃ *
With Secondary Equipment -5/-40 to 55/70℃(depends on the secondary equipment)
Storage/Transportation With Secondary Equipment -40 to 70℃
Ingress Protection Rating Gas Tank IP65
Enclosure IP2X/IP3X *
Low Voltage Chamber IP3X/IP4X *

 

* Optional Design

** The Rated Current Applies Under the Following Conditions: 1) The Operating Temperature Is Below 40℃    2)The 24-Hour Average Temperature Is Below 35℃    3) Compliance With IEC/EN 62271-1 / VDE 0671-1 Standards

 

 

 

 

 

 

 

  • Application Scenarios

 

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Product Tags Single-Busbar High-Voltage Switchgear          Compact SF₆ Insulated Indoor Switchgear          10–24kV Industrial Power Switchgear          Advanced 630A High-Voltage Switchgear         

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