AC High Voltage Load Switch

Timetric Electric is a leading manufacturer and supplier of indoor compressed air load switches in China. We have been focusing on the research and development and production of high-voltage equipment for many years. Our products are well-known worldwide for their excellent quality and competitive prices, and have become the first choice of many customers. We are committed to pursuing excellence and ensuring customer satisfaction, so we enjoy a good reputation in the industry.

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Product Description

Product overview

FN7-12(24)DR Type AC high voltage load switch (hereinafter referred to as the load switch) is a new type of gas production

type indoor high voltage load switch, which is suitable for the three-phase AC power system with AC 50HZ and rated

voltage 12KV/24KV, as the load current and short circuit current.

Product definition

Environmental Conditions

1. Altitude: ≤1000m.

2. Ambient temperature: -25℃~+40℃.

3. Relative humidity: daily average ≤95%, monthly average ≤90%.

4. No frequent serious vibration.

Mainly technical parameters

Content	Unit	Value
Content	Unit	FN7-12	FN7-24
rated voltage	kV	12KV	24KV
rated frequency	Hz	50Hz
rated current	A	400,630	4,006,301,250
rated active load breaking current	A	400,630	4,006,301,250
rated closed loop breaking current	A	400,630	4,006,301,250
5%rated active load breaking current	A	20,31.5,62.5
rated cable charging breaking current	A	10
1min power frequency withstand voltage:phase-tophase, phase to earth/fracture	kV	50/60
ightning impulse withstand voltage:phase-to phase, phase to earth/disconnecting fracture	kV	125/145
rated short time withstand current (thermal stahility)	kA	162,025
rated short circuit duration	S	1
rated peak withstand currentk	kA	405,063
rated short circuit making currentk	kA	405,063
Mechanical Life	times	2000