S/N	Name						Unit	Parameter
1	rated voltage						kV	40.5
2	rated frequency						Hz	50
3	rated current						A	630
4	rated current of fuse							100
5	rated short time withstand current						kA	12.5
6	rated short circuit duration						s	4
7	rated short circuit making current						kA	31.5
8	Rated peak withstand current							31.5
9	Rated load breaking current						A	630
10	Rated jump (connect) breaking current (For 100A Fuse)							2000
11	Earthing switch making current						kA	31.5
12	FT16-40.5 FT16-40.5 Resistance of main circuit						uW	180
13	FT16-40.5R FT16-40.5R Resistance of main circuit							400
14	Opening time						ms	95+20
15	Rated breaking current of fuse						kA	31.5
16	Rated insulation level		1minpower frequency withstand voltage (effective value)			Phase to phase, Phase to earth	kV	95
						Distance		115
			Lightning impulse withstand voltage (peak)			Phase to phase, Phase to earth		185
						Distance		215
17	1min power frequency withstand voltage of secondary circuit							2
18	Protection level			HXGT16				IP2X
				DFT16				IP33
19	Center distance of three phases							420±3
20	Dimensions	HXGT16			Width		mm	1400,1600,2100
					Depth			1600
					Height			2200
		DFT16			Width			1800
					Depth			2300
					Height			1900
21	Mechanical life of load switch				Load isolating		times	2000
					Earthing			2000

Product normal service condition

altitude: no more than 1000m；
environmental temperature: -25℃~+40℃；
Air relative humidity: daily average value no more than 95%, monthly average value no more than 90%.
No serious pollution in ambient atmosphere, such as dust, smog, cauterant, inflammable gas, gasoline and salts.
seismic intensity:8°

Indoor HV AC Vacuum Load Switch-fuse Combinations

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Indoor HV AC Vacuum Load Switch-fuse Combinations

Product Introduction

FT16-40.5R Series Indoor AC High Voltage Vacuum Load Switch-fuse Combinations are switch elements applying vacuum arc extinguishing and air insulation, and are the major elements of HXGT16-40.5 indoor AC mental enclosed RMU and DFT16-40.5 outdoor HV cable distribution box.

Product Parameter (Specification)

S/N

Name

Unit

Parameter

1

rated voltage

kV

40.5

2

rated frequency

Hz

50

3

rated current

A

630

4

rated current of fuse

100

5

rated short time withstand current

kA

12.5

6

rated short circuit duration

s

4

7

rated short circuit making current

kA

31.5

8

Rated peak withstand current

31.5

9

Rated load breaking current

A

630

10

Rated jump (connect) breaking current (For 100A Fuse)

2000

11

Earthing switch making current

kA

31.5

12

FT16-40.5

FT16-40.5 Resistance of main circuit

uW

180

13

FT16-40.5R

FT16-40.5R Resistance of main circuit

400

14

Opening time

ms

95+20

15

Rated breaking current of fuse