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Medium voltage fuse cutouts PDF 
 fuse cutout

M.V. Fuse Cutouts

  Medium voltage fuse cutouts(dropout fuses),  24KV, 100A, 125KV BIL, 8KA sym, 12 KA asym in three versions: (A)Normal insulation fuse cutout with porcelain insulators, (B)Heavy insulation fuse cutout with porcelain insulators and (C)Heavy insulation fuse cutout with HTV silicone rubber insulators.

 

 

 

 

 

 

 

Description

   This single venting type cutout fuses provide a full-fault spectrum protection of 24kV overhead distribution systems whether applied to overhead transformers, capacitors, cables or lines. 'Full fault spectrum protection' means that cutouts interrupt all faults from the lowest current, that will melt the fuse link, to the maximum rated interrupting current, under all realistic transient recovery voltage conditions. Fuse cutouts employ a single venting 'down and away only', a recovery important feature where exhaust must be kept out of other phases in overbuilt circuits.

The electrical system characteristics are as follows:

-Nominal voltage(kV): 20

-Maximum voltage(kV): 24

-Nominal frequency(Hz): 50

-Short circuit level(MVA): 250

-Impulse withstand voltage: 125kV, 1,2/50μsec

 

  Our company produces three basic types of fuse cutouts.

                                   LN

  (A) Normal insulation fuse cutouts with porcelain insulators (type LN)

Rated voltage(kV): 20

Rated current(A): 100

Interrupting current(kA): 7,2

Power frequency withstand voltage, wet(kV):50

Power frequency withstand voltage, dry(kV):60

Lightning impulse withstand voltage, BIL(kV):125

Creepage distance minimum(mm):400

Net weight(kgr): 10,0

 

                                LH

  (B) Heavy insulation fuse cutouts with porcelain insulators (type LH)

Rated voltage(kV): 20

Rated current(A): 100

Interrupting current(kA): 7,2

Power frequency withstand voltage, wet(kV):50

Power frequency withstand voltage, dry(kV):60

Lightning impulse withstand voltage, BIL(kV):125

Creepage distance minimum(mm):530

Net weight(kgr): 10,5

 

                                   LSH

  (C) Heavy insulation fuse cutouts with synthetic insulators (type LSH)

Rated voltage(kV): 20

Rated current(A): 100

Interrupting current(kA): 7,2

Power frequency withstand voltage, wet(kV):50

Power frequency withstand voltage, dry(kV):60

Lightning impulse withstand voltage, BIL(kV):125

Creepage distance minimum(mm):530

Net weight(kgr): 10,0 

 

Type test reports

 Our products have sucessfully been type tested and have been awarded the relevant type test certificates.

Type test certificate Type test certificate Type test certificate Type test certificate

 pdf logo Click here for product brochure 

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