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12 - 35KV Indoor High Voltage Disconnect Switch For Protect And Control

35 kV Indoor Disconnect Switch

NINGBO TIANAN (GROUP) CO., LTD.

Main Characteristics

Rated voltage from 72,5 to 550kV
Reliable in adverse operating conditions such as high winds and heavy ice
Always stable in the close position during short circuits
Rigid and well supported terminal pads permit post insulators and additional space savings
Galvanized structural steel channel base assures high strength and rigid design
Supplied or easily retro-fitted with 1 or 2 earthing switches
Customised solutions available: vertical, underhung and phase-to-phase

Specifications

1. Can used in three-phase AC 50Hz ,24kVelectric power system ,
2. Can used in the equipment of mining and
industry ,enterprise, power plants and substations for protect and control .
3. Can used in KYN28A-24(GZS) switchgear
cabinet and XGN fixed type switchgear cabinet.
4. Has Advanced vacuum arcing chamber.
5.insulation cylinder made by APG new technology
6.Confirmed to GB1984-2003, GB/T11022-1999 ,IEC62271-100 , DL/403

Using Environment

1. The temperature in surrounding air: Max:+40°C~Min -15°C,The average:<=+35°C
2. Humidity: The average of relative temperature within 24hours is <=95%, The average of Water
vapour pressure within 24hours is <=2.2kpa.
3. Here is no serious pollution from dust, smoke,corrosive or combustible gas,
vapor or salt spray, and so on.

General

FN12 Series AC HV Load Switch is a kind of three phase high voltage switch apparatus, suitable for
12kV rated voltage, 50Hz rated frequency alternative current, It is mainly used in downtown power distribution station and industrial electric equipment of three phase ring main unit electricity circle or terminal power supply, for breaking and closing short circuit current.

Service condition

1. The altitude does not exceed 1000m.
2. The ambient air temperature: Highest:+40oC, the lowest:-10oC
3. The relatire Humidity of air not bigger 90% (around the 25oC envirenment)
4. The working situation have no conductivity dust.
5. The working situation have no corrosive gas of affect insulation and destroy metal.
6. The working situation without violent vibration and striking.
7. The working situation have no explosive danger and fire.

Technical parameter

No.	Item	unit	Parameter
1	Rated Voltage	kV	12
2	Max. Working Voltage	kV	12
3	Rated Frequency	Hz	50
4	Rated Current	A	100
5	Rated Short-circuit Switch-off Current	kA	50
6	1min Power Frequency Withstand voltage(value), to ground, interphase/isolation break	kA	42/48
7	Lighting Impluse Resisting Voltage (peak) to ground, interphase/isolation break	kV	75/85
8	Fuse Link Striking Output Energy	Kg	≈5
Technical Parameter of load switch with fuse
No.	Item	Unit	Parameter
1	Rated Voltage	kV	12
2	Max. Working Voltage	kV	12
3	Rated Frequency	Hz	50
4	Rated Current	A	630
5	Rated Power load switch-off current	A	630
6	5% rated power load switch-off current	A	31.5
7	Rated capacity switch-off current	A	10
8	Rated inductance switch-off current	A	40
9	Rated transfer current	kA	1.3
10	Rated short-time withstand current	kA	20
11	Rated peak withstand current	kA	50
12	Mechanical endurance	cycle	2000

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Categories	High Voltage Disconnect Switch
Brand Name:	Tianan Electric
Certification:	VDE ISO9001-2000
Place of Origin:	China
MOQ:	1 unit
Price:	Pending
Payment Terms:	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:	22000 PCS/year
Delivery Time:	30 work days
Packaging Details:	Wooden Case
Rated Voltage:	12 Kv
Altitude:	up to 3, 000m Above Sea Level
Rated Current:	630 a
Rated Short Time Continual Time:	4 S