Electrical High Voltage 3 Phase Line Disconnector Switch Equipment

Product Description

Place of Origin:Wenzhou Zhejiang China

Brand Name: SHENGSU

Model Number: GW4-252

Rated frequency: 50/60Hz

Rated current: 2000A

The complete disconnecting switch consists of GW4-252(D)(W) type disconnecting switch body, CS14G or CS17G type manual operating mechanism,transmission accessories, etc. it can also be equipped with CJ6 type and other electric mechanisms.
The disconnecting switch is double-post horizontal opening type. Each single pole part is composed of base, post insulator, an outlet seat and a contact.The two post insulators are installed parallel to each other on the bearings at both ends of the base and are perpendicular to the base.The main conductive parts are respectively installed above the two insulators and rotate about 90° with the post insulators. The bearing seat of the disconnecting switch is designed as a fully sealed structure, which can prevent the jam caused by dust, moisture, and harmful gas entering the bearing seat,the bearing seat is equipped with thrust ball bearings and radial ball bearings to separate the gravity and level of the disconnecting switch.
The disconnecting switch is double-post horizontal opening type. Each single pole part is composed of base, post insulator, an outlet seat and a contact.The two post insulators are installed parallel to each other on the bearings at both ends of the base and are perpendicular to the base.The main conductive parts are respectively installed above the two insulators and rotate about 90° with the post insulators. The bearing seat of the disconnecting switch is designed as a fully sealed structure, which can prevent the jam caused by dust, moisture, and harmful gas entering the bearing seat,the bearing seat is equipped with thrust ball bearings and radial ball bearings to separate the gravity and level of the disconnecting switch.
The disconnecting switch is double-post horizontal opening type. Each single pole part is composed of base, post insulator, an outlet seat and a contact.The two post insulators are installed parallel to each other on the bearings at both ends of the base and are perpendicular to the base.The main conductive parts are respectively installed above the two insulators and rotate about 90° with the post insulators. The bearing seat of the disconnecting switch is designed as a fully sealed structure, which can prevent the jam caused by dust, moisture, and harmful gas entering the bearing seat,the bearing seat is equipped with thrust ball bearings and radial ball bearings to separate the gravity and level of the disconnecting switch.

Product Parameters

No.	ltem				Unit	Data
1	Rated voltage				kV	252
2	Rated  insulation level	1 min Power frecuency wihstond vologe (valid vlue)		To earth	kV	460
				Fracture	kV	460+145
		Lightning impulse withstand voltage (peak)		To earth	kV	1050
				Fracture	kV	1050+200
3	Rated frequency				Hz	50
4	Rated current				A	1250 1600 2000 2500
5	Rated short-time withstand current				kA	31.5 40 50 50
6	Rated peak withstand current				kA	80 100 125 125
7	Rated short time withstand current duration main blade/grounding blade				S	3/2
8	Rated terminal  mechanical load		Horizontal longitudinal load		N	1500
			Horizontal lateral load		N	1000
			Vertical force		N	1250
6	Creepage distance				mm	5040 6300 7812
10	Mechanical life				Times	10000
11	Motor operating  mechanism		Model NO.			CJ6B
			Motor voltage		V	AC380,AC220,DC220,DC110
			Controlling circuit voltage		V	AC220,AC380,DC220,DC110
			Opening and closing time		s	8±1
12	Manual operating mechanism		Model NO.			CS9,CS14G,CS17G
			Electromagnetic lock voltage		V	AC220,DC220,DC110

Using the environment conditions

a. The altitude does not exceed 1000m.
b. The ambient air temperature: Maximum+40°C; Minimum: -30°C,Paramos-40°C.
c. The wind pressure does not exceed 700Pa. (corresponding to 34m/s wind speed).
d. The earthquake intensity does not exceed 8 degreese.
e. The working situation hasn't frequent violent vibration.
f.  The installation site of ordinory type isolator should be kept away from gas, smoke chemical deposition, salt-spray fog, dust and other explosive and corrosive maters that affect seriously insulation and conduction capability of the isolator.
g. Pollution-proof type isolalor is applying to severe filthy conduction area; however, it shouldn't be any explosive matters and matters causing fire.

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