MV Ring Main Unit

As the professional manufacturer, ZIKAI® would like to provide you MV Ring Main Unit. And ZIKAI® will offer you the best after-sale service and timely delivery.

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Product Description

You can rest assured to buy MV Ring Main Unit from our factory and we will offer you the best after-sale service and timely delivery. GTHXGN-12 High voltage solid insulated ring network cabinet is a vacuum switchgear with fully insulated, fully enclosed and maintenance-free features. It uses high-performance epoxy resin material, all high-voltage live components are integrated casting molding, perfect integration of vacuum interruptor, main electrical path and insulation support structure, forming a compact and robust whole.

Zi Kai MV ring main unit product parameters:

item	unit	parameters
routine
Rated voltage	kV	12
Rated frequency	HZ	50
Power frequency withstand voltage	kV/min	42/48
Lightning impulse voltage	kV	75/85
Duration of ignition	S	≥0.5
Primary component protection class (metering cabinet		IP67
Except)		IP4X
Cabinet protection level		IP2X
Class of compartment protection Operating supply voltage	V	DC24、48、110、220
Class of compartment protection Operating supply voltage	V	AC110、220

Bus system	A	630(1250)
Rated current	kA/s	20/4(25/4)
Rated short-time withstand current	kA	50(63)
Rated peak withstand current	kA	50
Rated peak withstand current
Load switching unit	A	630
Rated current	kA	50
Rated short-circuit closing current	kA/s	20/4
Rated short-time withstand current	time
Load switch mechanical life	time	E3
Load switch electrical life	PC	≤5
Partial discharge
Circuit breaker unit	A	630(1250)
Rated current	kA	20(25)

item	unit	parameters
Rated short-circuit closing current	kA	50(63)
Rated short-time withstand current	kA/S	20/4(25/4)
Mechanical life of circuit breaker	time	20000
Circuit breaker electrical life	time	E2
Rated operating sequence		0-0.3s-CO-180s-CO
Partial discharge	PC	≤5
Load switch -
Fuse combination electrical unit	A	200
Rated current (Max.)	kA	31.5
Rated short-circuit breaking current	kA	80
Rated short-circuit closing current	PC	3150
Partial discharge
Disconnecting switch	A	630/1250
Rated current	kA	20/25
Rated short-time withstand current	S	4
Rated short duration	kA	50/63
Rated peak withstand current	time	3000
Mechanical life
Ground switch	A	630/1250
Rated current	kA	20/25
Rated short-time withstand current	S	4
Rated short duration	kA	50/63
Rated peak withstand current	kA	50
Rated short circuit closing current (peak)	time	2
Rated short circuit closing current number	time	3000

Zi Kai MV ring main unit Different configuration Outline

PT cabinet with load switch (fully insulated type)

Standard configuration

◆630A insulated bus ◆ Load grounding switch

◆ Load grounding switch operating mechanism

◆ Load/ground switch

◆ The outlet bushing is located in the front horizontal position, and the 630A front cable head is connected

◆ Live indicator and nuclear phase hole integration, in line with ISO61958 standard

◆ Solid insulated voltage transformer

◆ Elbow joint (with cable)

◆ Voltage transformer protection breaker

◆ Ground busbar

◆ Meet the five anti-interlock

Optional configuration ◆ Heater ◆ Voltmeter

Breaker cabinet

Standard configuration

◆630, 1250A insulated bus

◆ Vacuum circuit breaker

◆ Vacuum circuit breaker operating mechanism

◆ Isolated ground switch

◆ Isolation/grounding switch operating mechanism

◆ Circuit breaker and ground switch mechanical interlock

◆ Circuit breaker and ground switch have independent position display

◆ The outlet bushing is located in the front horizontal position, and the front cable head is connected

◆ Live indicator and nuclear phase hole integration, in line with ISO61958 standard

◆ Ground busbar

◆ Microcomputer protection device

◆ Meet the five anti-interlock

Optional configuration

◆ Auxiliary contact ◆ Program lock

◆ Heater

◆ Rear arrester

◆ Rear cable head

◆ Incoming line live ground lock

◆ Ground fault indicator

◆ Bushing type current transformer and ammeter, active power meter, reactive power meter

Circuit breaker busbar

Standard configuration

◆630A, 1250A insulated bus

◆ Vacuum circuit breaker

◆ Vacuum circuit breaker operating mechanism

◆ Isolation/grounding switch

◆ Isolation/grounding switch operating mechanism

◆ Circuit breaker and ground switch mechanical interlock

◆ Circuit breaker and ground switch have independent position display

◆ The outlet sleeve is located in the front horizontal position, and the front cable head (with cable)

◆ Live indicator and nuclear phase hole integration, in line with ISO61958 standard

◆ Ground busbar

◆ Microcomputer protection device

◆ Meet the five anti-interlock

Optional configuration

◆ Auxiliary contact ◆ Program lock

◆ Heater

◆ Rear arrester

◆ Rear cable head

◆ Incoming line live ground lock

◆ Ground fault indicator

◆ Bushing type current transformer and ammeter, active power meter, reactive power meter

Hoist tank

Standard configuration

◆630A, 1250A insulated bus

◆ The outlet sleeve is located in the front horizontal position, and the front cable head (with cable)

◆ Live indicator and nuclear phase hole integration, in line with ISO61958 standard

◆ Ground busbar

Optional configuration ◆ Heater

◆ Rear arrester

◆ Rear cable head

◆ Ground fault indicator

◆ Bushing type current transformer and ammeter, active power meter, reactive power meter

Zi Kai MV ring main unit Note

Inspection before use: Before the ring network unit is used, the following checks must be carried out for personal and equipment safety

Check whether the main circuit and the ground circuit are correctly connected.

Check whether the mechanical interlock is correct and reliable.

Check whether the load switch and ground switch in the ring network unit are operated flexibly and correctly.

Check the high voltage cable connection is correct and reliable.

Zi Kai MV ring main unit Details

certificates

Standard

◇Q/GDW730-2012 "12kV solid insulation ring network cabinet technical conditions"

◇GB1984 "AC high voltage Circuit breaker"

◇GB38043.6kV-40kV "AC high voltage load switch"

◇GB1958 "AC High voltage isolation switch and ground switch"

◇GB4208 "Shell protection level IP Code"

◇GB 16926 High voltage AC load switch-fuse combination appliance

◇GB/T15166.2 High voltage AC circuit breaker - Part 2: Current limiting circuit

◇GB/T7354 "Partial Discharge Measurement"

◇GB/T11022 "High Voltage Switchgear and control equipment standards common technical conditions"

◇GB3906 "3.6-40.5kV AC metal enclosed switchgear and control equipment"

FAQ

1、What is your packaging standard?

Usually we use standard foam and carton packaging. If you have special requirements, we can also meet your requirements.

2、Why do you buy from us instead of other suppliers?

More than 10 years experience in design and manufacture of high voltage switchgear accessories. It is one of the largest star suppliers in the industry, and has won international and domestic praise, and has been shortlisted for the National Grid.

3、What services can we provide?

Acceptable delivery methods :FOB,CFR,CIF,EXW,FCA, Express;
Accepted payment currency: USD, EUR, GBP, RMB;
Payment methods accepted: Wire transfer, L/C, MoneyGram, credit card, Western Union, cash;
Languages: English, Chinese

Hot Tags: MV Ring Main Unit, China, Manufacturer, Supplier, Factory

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Contact Info

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Address

Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, China
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Tel

+86-15167776274
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E-mail

zikai@cnzikai.com

If you have any enquiry about quotation or cooperation, please feel free to email or use the following inquiry form. Our sales representative will contact you within 24 hours.