Lw3-12/630-20 Sf6 Outdoor High Voltage Circuit Breaker with 3 Ways to Operate

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual & Electrical Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: SF6
• Installation: Simple Post Mounting
• Structure: ACB
• Model NO.: L-SF6
• Poles Number: 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000, IEC
• Rated Voltage: 12kv
• Rated Current: 630A
• Frequency: 50/60Hz
• Operation Modes: Manual, Electrical, Remote
• Electronic Controller: Latest Model, Housed in a Stainless Steel Box
• Climatic Conditions: Suitable for Various Conditions
• Communication: Options for Wired and Wireless Modems
• Remote Capabilities: Monitoring and Control
• Construction Cost: Reduced Due to Design and Installation Efficiency
• Transport Package: Standard Export Package
• Trademark: HONLE
• Origin: Zhejiang, China
• Production Capacity: 2000per Year

Product Description

Product overview
The circuit breaker installed on lw3-12 / 630-20 column is suitable for switching off the distribution network with rated voltage of 12kV, rated current of 630A and 50 / 60Hz, closing the load current and overload current in the power system, and automatically switching off the faulty distribution line Section separation.
The switch is equipped with the latest electronic controller, which can be operated manually, electrically and remotely. The electronic controller is installed in a stainless steel box,
It can be used under various climatic conditions. In addition, the box can also be installed with wired and,
Wireless modem can realize remote monitoring and control. Simple post mounting installation and layout is convenient and fast, and the construction cost is reduced.

 

 

Rated parameters		Other technical parameters		Power frequency withstand voltage
The rated voltage	12kV	Internal arc test	20kA/0.1sec	10sec (wet test)	45kV
Rated current	630A	Arc suppression medium	SF6Gas	1min (dry test)	50kV
Rated frequency	50/60Hz	Insulating medium	SF6Gas	1min (dry test)	50kV
Short-time Tolerance Current (RMS)	20kA/4sec	Creep distance (porcelain casing)	550mm
		Creep distance (silicone sleeve)	615mm
		Protection grade	54
Mechanical properties of	<0.1sec	Impact pressure (1.2×50μs)		gas pressure
Closing/opening time	10,000 times	relatively	85kV	rated working pressure(kgf/cm2G,at20ºC)	0.7
Mechanical stability operation	-25(-40)~70ºC	Between the fracture	95kV	Explosion-proof device operating pressure(kgf/cm2G)	4~6
Ambient temperature				minimum operating pressure(kgf/cm2G)	0.05
				Gas leakage rate(cc/sec)	1.1×10-7