12-24kv Gas Insulated Ring Main Unit (RMU) Metal Clad Enclosed Cabinet Switchgear

• Customization: Available
• Certification: CCC, ISO9001
• Shell Material: Aluminum Alloy
• Model NO.: HLHB-12
• Voltage Level: High Voltage
• Installation: Fixed
• Structure: Cabinet
• Current: AC
• Ambient Air Temperature: -40ºC-+50ºC
• Seismic Resistance: 8 Degrees
• Rated Voltage: 12kv
• Rated Current: 630A
• Arc Extinguishing Method: Vacuum Switch Tube
• Insulation Method: Pure Air or Nitrogen
• Transport Package: Standard Export Package
• Specification: Large type
• Trademark: Honle
• Origin: Zhejiang, China
• HS Code: 8537109090
• Production Capacity: 1000PCS/Year
• Package Size: 60.00cm * 85.00cm * 195.00cm
• Package Gross Weight: 800.000kg

Product Description

Honle Hlhb-12 Three Phase AC Environmental Gas Insulated Ring Main Unit
 

Features
• Low-carbon and environmentally-friendly
• Strong weather resistance, and a wide range of application
• Less maintenance
• Good insulation performance, safe and reliable operation
• Intelligentialize

Service conditions
Ambient air temperature: -40°C ~ +50°C
Humidity: Maximum average relative value, daily≤95%, monthly≤90%
Altitude: ≤4000 M
Seismic resistance: 8 degrees
Use under special conditions can be negotiated

Summary

HLHB-12 environmental gas insulated Ring Main Unit is a complete set of power distribution device of 12KV, three-phase AC 50Hz, single bus and single bus segment system.The product has the characteristics of simple structure,flexible operation, reliable interlocking, convenient installation and so on, and different users can provide satisfactory technical solutions for different applications. The adoption of sensing technology, automatic control technology and information technology, coupled with advanced technical performance and simple and flexible assembly scheme, can meet the changing needs of the market, and apply to the intelligent requirements of the power grid.

The RMU is suitable for industrial and civil cable ring network and distribution network terminal engineering. As the acceptance and distribution of electric energy, it is especially suitable for urban residential area power distribution, small secondary substation, opening and closing office, cable branch box, box type substation, industrial and mining enterprises, shopping malls, airports, subways, wind power generation, hospitals, stadiums, railways, tunnels and other places.

Model


Dimensions of Switchgear

Cabinet size(W×D×H)	Circuit breaker cabinet	Cable connection cabinet	PT cabinet
Top expansion	420×850×1950	420×850×1950	600×850×1950
Side expansion	420×850×2000	420×850×2000	600×850×1950

 

1. Control and protection electrical instrument box
2. Top expand casing
3. Barometer
4. Observation window Step
5. Organization
6. Incoming and outgoing bushing
7. Current transformer
8. Switch
9. Incoming and outgoing conductor rod
10. Cable room

1. Control and protection electrical instrument box
2. Top expand casing
3. Barometer
4. Observation window Step
5. Organization
6. Incoming and outgoing bushing
7. Current transformer
8. Switch
9. Incoming and outgoing conductor rod
10. Cable room

Technical Parameter
The main technical parameters of the Environmental Gas Insulated RMU

Rated voltage	kV	12
Rated current	A	630
Arc extinguishing method		Vacuum switch tube
Insulation method		Pure air or nitrogen
Rated short circuit breaking current	kV	20
Rated short circuit breaking times	Times	30
Rated short-circuit closing current(peak)	KV	50
Rated short-time withstand current3s(rms)	kA	20(Main circuit),17,4(Earthing circuit)
Rated peak withstand current	kA	50(Main circuit),43,5(Earthing circuit)
Power frequency withstand voltage(1min)	kV	42(Phase to earth,phase to phase),48(breaking)
Lightning impulse withstand voltage	kV	75(Phase to earth,phase to phase),85(breaking)
Partial discharge	PC	≤20
Rated sequence of operations of vcbs		O-0.3S-CO-180S-CO
Withstands internal arc faults	KA\S	20/0.5
Mechanical life	Times	10000(VCB)     3000(Isolating switch,Earthing switch)
Main circuit resistance of each phase	μΩ	120
Earthing switch rated short-circuit making current(peak value)	KA	43,5
Earthing switch closing times	Times	2
Degree of protection	MPa	IP67(Gas box),IP4X(body case)
Rated gas pressure(gauge pressure)	MPa	0.02
Minimum operating gas pressure	0/0	0
Rated annual leakage rate	ppm	0.01
Moisture content in air box	KV	≤150
Auxiliary circuit power frequency withstand voltage(1min)		2

Main technical parameter of circuit breaker

Rated voltage	kV	12
Rated current	A	630
Rated short-circuit breaking current	kA	20
Rated short-circuit closing current(peak)	kA	50
Rated short-time withstand current3s(rms)	kA	20
Rated peak withstand current	kA	50
Rated sequence of operations		0.-0.3s-C.0.-180s-C.0.
Power frequency withstand voltage(1min)	kV	42(Phase to earth,phase to phase),48(breaking)
Lightning impulse withstand voltage(peak)	kV	75(Phase to earth,phase to phase),85(breaking)
Partial discharge	PC	≤5
Mechanical life	Times	10000
Main loop resistance per phase	μΩ	≤110
Contact spacing	mm	9±1
Contact pressure over-travel	mm	3±0, 5
Contact final pressure	N	1800±100N
Three-phase opening(different phases)	ms	≤1
Contact closure bounce time	ms	≤2
Closing time	ms	≤70
Opening time	ms	≤60
Average opening speed	m/s	1.1±0.2
Average closing speed	m/s	0.8±0.2
Rated number of short-circuit current breaks	Times	30

The main technical parameters of the main circuit (disconnector) of the combined grounding switch on the busbar side

Rated voltage	kV	12
Rated current	A	630
Rated short-time current 3S(rms)	kA	20
Rated peak withstand current	kA	50
Power frequency withstand voltage(1min)	kV	42(Phase to earth,phase to phase),48(breaking)
Lightning impulse withstand voltage(peak)	kV	75(Phase to earth,phase to phase),85(breaking)
Three-phase opening(different phases)	mm	≤2
Mechanical life	Times	3000
Total resistance of each phase main circuit	μΩ	≤60
Contact pressure	N	160+20
Closing force	Nm	≤100
Moving and static contact distance	mm	≥125

The main technical parameters of the grounding circuit (grounding switch) of the combined grounding switch on the busbar side

Rated voltage	kV	12
Rated current	A	630
Rated short-time withstand current 2s(rms)	kA	17,4
Rated peak withstand current	kA	43.5
Power frequency withstand voltage(1min)	kV	42(Phase to earth,phase to phase),48(breaking)
Lightning impulse withstand voltage(peak)	kV	75(Phase to earth,phase to phase),85(breaking)
Three-phase opening(different phases)	mm	≤1
Mechanical life	Times	3000
Total resistance of each phase main circuit	μΩ	≤60
Contact pressure	N	160+20
Closing force	nm	≤100
Rated short-circuit closing current	KA	43,5
Closing times	Times	2
Moving and static contact distance	mm	≥125

Main technical parameters of spring energy storage operating mechanism

Auxiliary circuit rated voltage	V	DC48,DC110,AC220,DC220
Auxiliary circuit power frequency withstand voltage(1min)	kV	2
Opening and closing coil voltage	V	DC48,DC110,AC220,DC220
Opening coil current	A	2
Closing coil current Rated voltage energy storage time	A S	2 ≤20
Auxiliary switch rated voltage	V	DC48,DC110,AC220,DC220
Auxiliary switch rated current	A	10
Pairs of the auxiliary switch contact		80 8C

About Company




FAQ
Q 1.Where is your market?
A. Our products are popular in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western European so on. Some of them are our regular customers and some of them are developing. We hope you can join us and make mutual benefit from our cooperation.

Q 2. Can your factory produce according to customers' requirements?
A. Yes, we can produce different products according to customers' requirements.

Q 3. What's the payment terms?
A. We accept LC, T/T, D/P, Western Union PayPal. If others, we can discuss.

Q 4. How's the delivery time?
A. Usually it will take about 30 days after order confirmed.

Q 5.Could you offer Form A or CIO?
A. No problem. We can prepare relative documents to origin affairs office or other office to apply for related certificates.

Q 6.Would you accept to use our logo ?
A. If good quantity, it absolute no problem to do OEM.

Q 7: Are you a manufacturer or trading company?
A: We are a manufacturer with many years of manufacturering experience.

Q 8:What kind of certificates you have?
A:Our company already achieve ISO9001, and for products, we have CE,ISO9001,ISO14001 and so on.

Q 9: How long have you been worked in the electric industry?
A: We have been worked in the electric industry for more than 20 years. We have own research and development department that has 15 engineering technicians.