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Elecal Electric Appliance Co., Ltd.

MCB, Circuit Breaker, Breaker manufacturer / supplier in China, offering Dz48n-63 Series Miniature Circuit Breaker, H7 Isolating Switch, Zw32-12 Outdoor High Voltage AC Vacuum Circuit Breaker and so on.

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Dz48n-63 Series Miniature Circuit Breaker

FOB Price: US $10 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $10/ Piece
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Port: Ningbo, China
Transport Package: Carton
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 2
  • Function: Circuit-Breaker Failure Protection
  • Trademark: ELECAL
  • HS Code: 85362000
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: MCB
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE
  • Origin: Wenzhou
Product Description


DZ48N-63 miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, 230V in singlepole, 400V in double, three, four poles for protecting overload and short circuit, and rated cur-rent up to 63A. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to lighting distribution system in industrial enterprise, commercially district,high-rise building and dwelling house. It conforms with the standards of IEC60898.

2.Main Technical Parameter

Pole1P2P, 3P, 4P
Rated current (A)6,10,16,20,25,32,40,50,63
Rated voltage(V)230400
Type of instantaneous releaseCDCD
Rated short circuit breaking capacity Icn(KA)1-40A: 6
50-63A: 4.5
4.51-40A: 6
50-63A: 4.5
Life (times)1-32AElectric life4000
Mechanical life6000
Operation frequency240 times per hour
40-63AElectric life4000
Mechanical life6000
Operation frequency120 times per hour

3.Applicable conducting wire

Rated current(A)Nominal cross section of wire mm2

4.The over-current protection property

Ambient TemperatureInitial StatusTest CurrentExpected ResultExpected ResultNote
30±2oCCold position1.13Int≥1hNon-release-
Carried out immediately after previous test1.45Int<1hRelease-
Cold position2.55In1s<t<60s
ReleaseCurrent smoothly rises to specified value within 5s
Cold position2.55In1s<t<120s (In>32A)Release
-5~+40oCCold position3Int≥0.1sNon-releaseType B
Cold position5Int<0.1sReleaseType B
Cold position5Int≥0.1sNon-releaseType C
Cold position10Int<0.1sReleaseType C
Cold position10Int≥0.1sNon-releaseType D
Cold position20Int<0.1sReleaseType D 
Dz48n-63 Series Miniature Circuit Breaker
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