15kv 20kv 24kv 630A 1250A Medium Voltage Outdoor Sf6 Lbs Gas Air Load Break Switch

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Arc-extinguishing Medium: SF6
• Installation: Open Frame
• Structure: ACB
• Poles Number: 1
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: CCC
• Model Number: Lw58 - 252
• Rated Voltage: 220kv
• Rated Current: 2500A
• Frequency: 50/60Hz
• Pole No.: 1
• Transport Package: Wooden Case
• Specification: 20KG
• Trademark: Vouchivan
• Origin: Xuzhou, China

Product Description

Product Description

No.	Description	Technical parameters
1	Rated voltage, kV	72.5	126	145	252
3	Rated frequency, Hz	50/60
4	Rated current, A	1600~4000			3150~4000
	1min Power frequency withstand voltage	140	230	265	460
	Lightning impulse withstand voltage	325	550	650	1050
5	Rated short-circuit breaking current, kA	25~40			40~63
7	Rated short circuit breaking current (peak), kA	63~ 100			100~ 157.5
8	Rated short duration, s	3	3	3	3
	Rated out-of-phase breaking current	10	10	10	10
	Rated cable(line) charging breaking current	10	31.5	50	125
	Rated gas pressure, Mpa	0.4	0.5	0.5	0.6
	Operation sequence	O-0.3s-CO- 180s-CO
	SF6 gas leakage rate (per year)	≤1%
14	First of several genes	1.5	1.55	1.5	1.3
	Main loop resistance, μΩ	≤40	≤45	≤45	≤50
	Heater voltage	AC220
	Control circuit and signal circuit voltage	DC220, DC230
	Motor voltage	DC220, DC230

Description

Outdoor Sulfur Hexafluoride (SF6) dead tank  circuit breakers,

• Rated voltage : 69 KV
• Rated Continuous current : 1200 A / 1250A/1600A /2000A
• Interrupting current rating:  31.5 KA
• Frequency :  50 /60 Hz
• Basic insulation level (BIL):  350 KV
• With 6 pcs 150:5 ratio relaying accuracy bushing current transformers (CT)
• Outdoor usage, with 3 pcs SF6 interrupters
•  6-terminal pads with 4-hole each
• Trip-free spring operation mechanism
• 12-stages auxiliary contacts
• Anti-condensation cabinet heater
• Control wiring and terminal blocks
• 110VDC trip coil
• 48 VDC /110VDC closing coil
• 110 /220 VDC Auxiliary voltage
• with operation handle
• with isolating switches
• mechanical position indicator
• CB frame grounding terminal holes
• hot-dipped galvanized mounting structure
• with gas charging device with regulator valve
• with gas leak detector
• with spare SF6 gas

 Circuit breakers meet the requirements specified in EN 62271-1, EN 62271-100, EN 60273, and other relevant EN (IEC) standards.

220KV 3Ph Live Tank SF6 Gas Circuit Breaker

LW Series self-energy SF6 Circuit Breaker is a three-pole/single-pole AC 50Hz/60Hz outdoor high voltage power transmission equipment for the division of the rated current, fault current or conversion lines, transmission and distribution system for protection, control and operation can be opening, closing and fast automatic reclosing operation. The circuit breaker using the latest design principles, has a simple structure, small size, low supplies, the energy needed to operate a small, high reliability, easy installation, low noise characteristics. Is my company developed a new generation of high voltage SF6 circuit breakers.

Service environment

1. Ambient temperature: -40 ºC ~ +50 ºC.
2. Daily average ambient air relative humidity ≤ 95%, on average ≤ 90%;
3. Wind pressure: less than 700pa.
4.Altitude: less than 3000m.
5.Earthquake intensity: not more than 9 degrees.

6. Air Contamination: 3 grade.