HLHB-12 Environmental Gas Insulated Ring Main Unit with Power Distribution

• Customization: Available
• Certification: VDE, CCC, ISO9001
• Shell Material: Metal-Clad
• Model NO.: HLHB-12
• Voltage Level: High Voltage
• Installation: Fixed
• Structure: Cabinet
• Current: AC
• Insulation Method: Pure Air or Nitrogen
• Seismic Resistance: 8 Degrees
• Arc Extinguishing Method: Vacuum Switch Tube
• Rated Current: 630A
• Transport Package: Regular Export Package
• Specification: Rated frequency: 50HZ
• Trademark: HONLE
• Origin: Zhejiang, China(Mainland)
• HS Code: 8504401990
• Production Capacity: 2000PCS/Month
• Package Size: 60.00cm * 85.00cm * 195.00cm
• Package Gross Weight: 800.000kg

Product Description

Product Description

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, 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 Ring Main Unit 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.

 

Operating conditions

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

 

FEATURE

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

DIMENSIONS OF THE SWITCHGEAR

 

Cabinet size(WxDxH)	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

Technical Specification

The main technical parameters of the Environmental Gas Insulated RMU
 

Rated yoltage	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 current 3s (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		0-0.3S-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	μ 2	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 current 3s (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	μQ	≤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 35(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)	m m	≤2
Mechanical life	Times	3000
Total resistance of each phase main circuit	μQ	≤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)	m  m	≤1
Mechanical life	Times	3000
Total resistance of each phase main circuit	μQ	≤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	A	2
Rated voltage energy storage time	s	≤20
Auxiliary switch rated voltage	V	DC48,DC110,AC220,DC220
Auxiliary switch rated current	A	10
Pairs of the auxiliary switch contact		808C

Why choose us?

Shipping & Packing

Shipping Details: Standard Export carton
Shipping Details: 7-30 day after receing the deposit


Company Information

HONLE Electric Co.Ltd. is the manufacturer which specializes in developing, producing and marketing
industrial electrical products. It has three factories, the first one produces power supply, the second
one produces power transformer, and the third one produces complete set of equipment. As a member
of China Power Supply Society, since HONLE is founded, the company has been insisting on the theoretic
guideline of "science &technology is the first productive force" and holding up brand strategy as the
guideline, relying on forwarding power supply technology, perfecting craft and unwearied pursuing to quality.
We can show top quality and set up positive image of enterprisein domestic and foreign market.
 

Our Service
 

1.Your inquiry related to our product & price will be replied within 48 hours

2.Well-trained & experienced staff are to answer all your inquiries in English

3.Working time: 8:00am ~17:30pm, Monday to Saturday. (UTC+8)

4.Customized solution & perfect after-sale service

5. Payment: we can accept T/T, L/C, Western Union.

6. For large order, engineer can be sent to your country .

FAQ
Q 1. what's the payment terms? 
A. We accept LC, T/T, D/P,Western Union PayPal. If others, we can discuss.
Q 2. how's the delivery time ?
A. usually it will take about 30 days after order confirmed.
Q 3. tell me the standard of package?
A. For the small capacity, we will use carton, but for big capacity, we should use strong wooden case for protection.
Q 4.Could you offer Form A or C/O ? 
A. No problem. We can prepare relative documents to origin affairs office or other office to apply for related certificates.
Q 5.Would you accept to use our logo ?
A.If good quantity, it absolute no problem to do OEM.
Q 6.We want to know month capacity. 
A. It depends on which model.For example for relay type capacity , month capacity can reach near 5000pcs/month while big capacity near 2000pcs/month.
Q 7.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 8. what kind of certificates you have ?
A. Our company already achieve ISO9001, and for products, we have CE,ISO9001,SGS and so on.

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