Question 1

Are your vacuum circuit breakers and switchgear components compliant with international standards?

Accepted Answer

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

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Question 2

Can you provide custom or modified products to fit our specific switchgear models?

Accepted Answer

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

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Question 3

What is your typical delivery lead time for orders?

Accepted Answer

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

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Question 4

What are the key advantages of your vacuum circuit breakers?

Accepted Answer

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

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Question 5

What is your warranty policy?

Accepted Answer

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

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Question 6

What is the voltage and current rating range of your products?

Accepted Answer

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

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Question 7

How do you ensure the quality and reliability of your products?

Accepted Answer

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

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Question 8

Do you offer technical support and after-sales service?

Accepted Answer

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

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Question 9

How do your products perform in harsh environments?

Accepted Answer

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

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Question 10

How can I request a quotation and what information do you need?

Accepted Answer

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

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Name		Unit	GW4-12	GW4-40.5	GW4-72.5	GW4-126	GW4-126G	GW4-145
Rated voltage		KV	12	40.5	72.5	126	126	145
Rated current		A	200 400 630 1000 1250	630 1000 2000 2500	630 1250 2000 2500	630 1250 2000 2500	630 1250	630 1250 2000 2500
Rated short-circuit withstand current (RMS)		KA	16 20 25	20 31.5 40(46)	20 31.5 40(46)	20 31.5 40(46)	20 31.5	20 31.5 40(46)
Rated peak withstand current (RMS)		KA	40 50 63	50 80 100(104)	50 80 100(104)	50 80 100(104)	50 80	50 80 100(104)
1min power frequency withstand voltage (peak)	To the ground	KV	42	80	140	185 (230)	185	275
	Fracture		48	90	160	210 (265)	210	315
Lightning impulse withstand voltage (peak)	To the ground		75	185	325	450 (550)	450	650
	Fracture		85	215	375	520 (530)	550	750
Terminal horizontal tension		N	250	490 (735)	735	735	735	980
Monopolar weight		kg	60	80	200	240	240	300
Remarks							Suitable for altitude 2000m	Suitable for 110kv altitude 4000m

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