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.
- 8DJH HA40.2-2011 (Siemens Authorized) SF₆ Insulated Switchgear Features
-
Modular Design
Flexible unit combinations without the need for gas operations, supporting multiple configurations for varying installation requirements. -
Advanced TechnologySF₆ insulated and climate-resistant, with gas-tight compartments and laser-welded stainless steel enclosures, ensuring longevity and operational reliability. -
Enhanced SafetyOffers five interlocking functions and visible indicators to prevent operational errors, providing a safe working environment. -
Minimal MaintenanceBuilt with a sealed, maintenance-free pressure system, resulting in minimized upkeep and lifecycle costs. -
Long Service LifeExpected 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
