8djh Gas-Insulated Medium Voltage Switchgear

• Customization: Available
• Certification: VDE
• Shell Material: Steel Plate
• Model NO.: 8DJH
• Voltage Level: Medium Voltage
• Installation: Fixed
• Structure: Cabinet
• Current: AC
• Rated Voltage: 7.2/12kv
• Rated Frequency: Hz
• Rated Continuous Current: 630A
• Rated Short-Time Withstand Current: 21ka,3s
• Rated Filling Level: 1.6kpa
• Transport Package: Wood Box Transportation
• Specification: Optional
• Trademark: Siemens
• Origin: China

Product Description

Product Description

       8DJH 12 switchgear is a factory-assembled, type-tested, 3-pole metal-enclosed single-busbar switchgear for indoor installation. 8DJH 12 switchgear is used in public and industrial energy systems of the secondary distribution level, e.g. in
 

• Secondary transformer substations of power supply system operators

• Utilities transfer substations for business enterprises

• Installations of building supply technologies

• Water and sewage treatment plants

• Underground railway stations, railway stations, airports

• Charging stations for electric vehicles

• Generating plants for renewable energies (biomass, hydro power, wind turbines, solar parks).

Detailed Photos

Specification

Electrical data of the switchgear		Rated voltage Ur		kV	7.2	12
Rated insulation level
		Rated short-duration power-frequency withstand voltage Ud : - phase-to-phase, phase-to-earth, open contact gap - across the isolating distance		kV    kV	20 23	28 32
		Rated lightning impulse withstand voltage Up : - phase-to-phase, phase-to-earth, open contact gap - across the isolating distance		kV    kV	60 70	75 85
Rated continuous current Ir 2)		for busbar	A		630                   630
		for ring-main and cable feeders	A		630                   630
		for circuit-breaker feeders	A		630	630
50 Hz	Rated short-time withstand current Ik	for switchgear with tk = 1 s	up to kA		21	21
		for switchgear with tk = 3 s 1)	up to kA		21	21
	Rated peak withstand current Ip		up to kA		52.5	52.5
Filling level		Rated filling level pre  (absolute)                                               kPa			1.6	1.6
(pressure values at 20 °C)		Minimum functional level pme  (absolute)		kPa	1.5	1.5
Ambient air temperature T 3)		Operation	standard	°C	−25 to +55	−25 to +55
			on request	°C	−40 to +70	−40 to +70
		Storage/transport	standard	°C	−25 to +55	−25 to +55
			on request	°C	−40 to +70	−40 to +70
Degree of protection		for gas-filled switchgear vessel			IP65	IP65
		for switchgear enclosure			IP2X / IP3X 1)	IP2X / IP3X 1)
		for low-voltage compartment			IP3X / IP4X 1)	IP3X / IP4X 1)
Partition class					PM	PM
Loss of service continuity category		Feeder panels with (switch-)disconnector			LSC2	LSC2
		Billing metering panel M, cable feeder K			LSC1	LSC1
Accessibility to compartments		Busbar compartment
(enclosure)		Switching-device compartment			Non-accessible
		Cable compartment - Feeder panels with switching device - Billing metering panel M, cable feeder K			Interlock-controlled
Internal arc classification 4)		IAC A
(option)		Accessibility FL or FLR
		Arc test current IA                                                                                                          up to kA			21	21
		Test duration tA                                                                                                                                                                                                                                                s			1	1