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FZRN25-12/24D Indoor (connected) high voltage vacuum switch / fuse combiner

FZRN25-12/24D Indoor (connected) high voltage vacuum switch / fuse combiner

FZRN25-12/24D Indoor (connected) high voltage vacuum switch / fuse combiner

FZRN25-24D indoor high voltage vacuum load switch 1.Epoxy resin and silicone rubber vacuum load switch 2. High strength,moisture-proof.anti-condensation vacuum load switch 3. Suitable forhot and humid place vacuum load switch 1.Prodcut Overview 1.1.
Published in2018-08-04
5050 Views

Detailed description

FZRN25-24D  indoor high voltage vacuum load switch

1.Epoxy resin and silicone rubber  vacuum load switch
2. High strength,moisture-proof.anti-condensation   vacuum load switch

3. Suitable forhot and humid place vacuum load switch

1. Prodcut Overview

1.1.Function:FZRN25 series indoor AC high voltage vacuum load break switch is a controlling and protecting device for three phases AC 50HZ 24KVelectrical power distribution system. Such vacuum load break switches are widely used in industrial and mining enterprises and power stations of big urban office buildings.
1.2.Standards:IEC 62271-105
1.3.Parameters:Rated voltage: 24kV.
Rated current:  630A.
Rated frequency: AC 50HZ.

2.Technical Data


Item

Unit

Data

FZRN25-24D /T630-20

FZRN25-24 D/125-31.5

Rated voltage

kV

24

Rated frequency

Hz

50

Rated current

A

630

125

Rated insulation level

1min power frequency withstand voltage

kV

arc-extinguishing chamber clearance: 65, between earth and pole: 65, isolation clearance: 79

Rated lightning impulse withstand voltage(peak value)

kV

between earth and pole: 125, isolation clearance: 145

Rated short time withstanding current

kA

20


Rated short-circuit duration time

S

4

/

Rated Peak withstand current

kA

50

/

Rated breaking current

Power load breaking current

A

630

/

Close loop breaking current

A

630

/

Breaking cable charge current

A

31.5

/

Breaking no-load transformer capacity

kVA

1250

1250

Rated short-circuit breaking current

kA

/

31.5

Short-circuit breaking current

A

/

2000

Fuse type


/

SDLAJ-12,SFLAJ-12

Shocking input energy

J

/

3-5

Rated short-circuit making current

kA

50

80(expected)

Earthing switch rated withstand current(peak)

kA

50

50

Earthing switch 4S rated short-time withstand current

kA

20

20

Auxiliary circuit rated voltage

V

220:110

220:110

Mechanical life(grade M2)

times

20000


3.Dimension and mounting

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