110kv Outdoor Substation Hv Sf6 Gas Live Tank Disconnector Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: SF6
• Installation: Fixed
• Poles Number: 3
• Model NO.: LW36-110
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CE, CCC
• Rated Voltage (Kv): 110
• Rated Frequency (Hz): 50/60 Hz
• Rated Current (a): 630~3150 a
• Mechanical Life (Times): 10000
• Transport Package: Export Wooden Packaging
• Trademark: CAVANNA ELECTRIC
• Origin: China
• HS Code: 8535900090
• Production Capacity: 200 Sets/Month

Product Description

 

Product Description

LW36-72.5 Outdoor HV AC. SF6 circuit breaker is an outdoor three-phase porcelain column electrical equipment

mainly used in AC 50Hz or 60 Hz, 72.5kV/126KV electrical system in extremely cold regions (for electric stations in general regions and -40C extremely cold regions).

Product Parameters

Table of main parameters of circuit breaker

No.	Item			Unit	Parameter
1	Rated voltage			kV	72.5
2	Rated power frequency withstand voltage (1 min )		To earth /phase to phase	kV	160
			Across switching device		160+42
3	Rated lightning impulse withstand voltage		To earth /phase to phase	kV	380
			Across switching device		380+59
4	Rated frequency			Hz	50		50/60
5	Rated current			A	3150
6	Rated short-circuit breaking current Isc				31.50		40
7	Rated short-circuit making current (peak)				80		100/104
8	Rated short-time withstand current			kA	31.50		40
9	Rated peak withstand current			kA	80		100/104
10	Rated out-of-phase breaking current			kA	8		10
11	Short-line fault breaking current			kA	90%Isc, 75%ISC
12	Double earth fault breaking current			kA	27.4		34.8
13	Times of rated short-circuit breaking current			times	21		20
14	Rated duration of short-circuit			s	4		4
15	First pole to clear factor				1.5		1.5
16	Rated line charging breaking current			A	10		10
17	Rated operation sequence				O-0.3s-CO-180s-CO
18	Rated SF6 gas pressure/Gas refilling alarm pressure/Operation lockout pressure (gauge pressure, 20ºC)			MPa	0.4/0.36/0.32		0.4/0.36/0.32 or 0.7/0.65/0.60
19	Annual leakage of SF6 Gas			%	≤0.5
20	SF6 gas humidity content (L/l) ((20ºC)			L/L	≤150x10-6
21	Mechanical endurance			Times	6000
22	Opening time			Ms	≤30
23	Close-Open time			Ms	≥70(when running)
24	Creepage distance	Across switching device		mm	≥2585
		To earth/phase to phase			≥2248
25	Weight of SF6 gas filled for one set of CB			Kg		6	6/8
26	Weight of one set of CB					1300

Major Technical parameters of mechanism

No.	Name			Unit	Data
1	Energy-store motor		Normal voltage rang	V	85%--- 110%
			Rated voltage		DC220/AC220
			Rated power	W	720
2	Storage time (at rated voltage)			s	≤20
3	Rated voltage/current of opening coil			V/A	DC110V/4A, DC220V/2A
					AC220V/5A
4	Auxiliary Switch	Rated current		A	3(DC220V)/5 (DC110V)
		Number of auxiliary contacts: normally opened/closed		Pair	11/11
5	Trip switch	Rated current		A	3(DC220V)/5 (DC110V)
		Number of auxiliary contacts: normally opened/closed		Pair	2/2
6	Capacity of terminal carry continuous current			A	10
7	Voltage of heater and lighting circuit			V	AC220
8	Mechanical endurance			Times	10000

 

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FAQ

Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.

Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.

Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us

Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation

Q: What is the lead time? 
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment. 

Q: What is your Trade Terms? 
A: We accept EXW, FOB, CIF, FCA, etc. 

Q: What is your payment method?  
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc 

Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment

Q: How to solve the quality problems after sales? 
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.