Outdoor AC Disconnector of Horizontal Double-Column&Single-Arm Flexible Fold Type

• Customization: Available
• Type: High-voltage
• Structure: Double-column Disconnector
• Model NO.: GW23-252
• Number of Poles: Unipolar
• Grounding: Single Ground
• Series: Single-Stage
• Run: Turn the Horizontal
• Switching Mode: Single Throw-in
• Structure of Operating: Manual
• Certification: CE, IS9001, ISO9001
• Rated Voltage: 252kv
• Customization: Acceptable
• Language: Chinese, English, Russian
• Price: Negotiable
• Rated Current: 3150A
• Transport Package: Cartons or Others
• Specification: As required
• Trademark: HEZC
• Origin: China
• Production Capacity: 50000pieces/Year

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.

Application: double-column horizontal fold type three-phase AC 50Hz outdoor HV electricalapparatus, for switching under of-load condition and electrical disconnection between electricalapparatus and live circuit in rated voltage 220kV power system.

Standard: lEC 62271-102.

Type description:
G: Disconnector
W: Outdoor
23: Design No.
252: Rated voltage
D: With earthing blade

Product Parameters

ltem			Unit	Parameter
Rated voltage			kV	252
Rated current			A	3150
Rated short time withstand current,3s			kA	50
Rated peak withstand current			kA	125
Rated power frequency withstand voltage		To earth	kV	460
		Open contacts		460+145
Rated lightning impulse withstand voltage		To earth	kV	1050
		Open contacts		1050+200
Mechanical strength of terminals		Longitudinal		1500
		Horizontal	N	1000
		Vertical		1250
Min failing load			N	8000
Earthing switch                                         Electromagnetic induction current                                            couplin open/close capabiity                                                    Electrostatic                                                                       coupling		Rated induction current Rated induction voltage	A kV	80  1.4
		Rated induction current Rated induction voltage	A kV	1.25  5
Open/close bus switching circuit			A	1600
Mechanical life			Time	3000
Single pole weight			kg	1050

 

Structure Diagram

  

               

Service Environment

1. Altitude:<2000m
2. Ambient air temperature:-40ºC-+40'C
3. Max wind velocity:34m/s
4. Seismic:Horizontal acceleration: 0.250g
                 Vertical acceleration: 0.125g
5. Thickness of ice:<10mm
6. Pollution level of insulator: III(25mm/kV),IV(31mm/kV)
7. Installation area without fire, explosion, chemical corrosion and frequent shocking
 

Ordering Instructions

Please specify the following items when ordering:
1. Model, specification and quantity of disconnector.
2. Rated current, rated short time and peak withstand current.
3. Pollution level and altitude.
4. Please indicate whether fitted with earthing blade, in which side and whether fitted withelectromaqnetic lock.
5. The electric motor voltage, control voltage and auxiliary poles of electric operating mechanism
Note: Customized products are available.

Packaging & Shipping

Certifications