Indoor High Voltage AC 12kv Load Break Switch for Protection

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Model NO.: FN7-12(DXLRA)
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Lbs
• Poles Number: 3
• Type: Fn7-12
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: CCC
• Currency: RMB or USD
• Language: Chinese, English, Russian
• Loading Port: It Depends
• Frequency: 50Hz
• Rated Voltage: 12kv
• Rated Current: 630A
• Mechanism Type: Manual
• Transport Package: Standarded Export Case
• Specification: As required
• Trademark: HZEC
• Origin: China
• Production Capacity: 3000 Sets/Month

Product Description

Company Profile

Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.

Product Description

FN7-12DR type indoor AC high voltage load switch is suitable for AC 50Hz. In a three-phase AC power system with a rated voltage of 12KV, any current that can be switched off until the short circuit current can be used for protection.

Product Parameters

Rated voltage		12
Insulation level	Power frequency 1 min withstand voltage (kV)	Phase to phase, phase to earth 42	Isolating fracture 48
	Lightning impulse withstand voltage(kV)	Phase to phase, phase to earth 75	Isolating fracture 85
Rated current (A)		400	630
Rated thermal current ( KA 4s)		12.5	20
Rated dynamic current (KA peak)		31.5	50
Rated short-circuit closing current (KA peak)		31.5	50

Model selection

Name	Type	Model	DS	DX	L	R	RA	F	Usage
			Earthing switch at incoming end	Earthing switch at outgoing end	Interlocking device	Fuse	Striker fuse	Electrical opening device
Load switch	Without Striker Fuse	FN7-12	X	X	X	X	X	X	Circuit load switch
		FN7-12DSL	√	X	√	X	X	X
		FN7-12DXL	X	√	√
		FN7-12R	X	X	X	√	X	X	Transformer protection
		FN7-12DSLR	√	X	√	√	X	X
		FN7-12DXLR	X	v	√	√	X	X
	With  Striker Fuse	FN7-12RAF	X	X	X	X	√	√	Transformer protection
		FN7-12DSLRAF	√	X	√	X	√	√
		FN7-12DXLRAF	X	√	√	X	√	√

Note: (X) Without; (√)With

Service Environment

1. The altitude does not exceed 1000 meters;
2. The ambient air temperature is not higher than +40ºC and not lower than -25ºC; Indoor places where the daily relative humidity of the air is not more than 95%, average relative humidity is nor more than 90% (when the temperature is +25ºC);
3. In an environment without conductive dust;
4. Objects without corrosive gases that destroy metal and insulation;
5. Where there is no severe vibration and impact;
6. In an environment where there is no danger of combustion or explosion.

Outline Diagram Examples

No trip "circuit" load switch                                                                                               No trip "transformer protection" load switch

Trip Striker Load Switch                                                                                                    CS6 Operationg mechanism

Packaging & Shipping

 

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 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: 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.

Certifications