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Elecal Electric Appliance Co., Ltd.

MCB, Circuit Breaker, Breaker manufacturer / supplier in China, offering Dz55-63 Series Miniature Circuit Breaker, Sm12 Series Moulded Case Circuit Breaker, Mini Circuit Breaker (DZ47-63 1P) and so on.

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Dz55-63 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
  • Model NO.: DZ55-63
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: MCB
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE
  • Origin: Wenzhou
  • 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
Product Description

1.Application

DZ55-63 high switch-off ability miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, rated voltage 230/400V and rated current up to 63A, used for overload and short circuitprotection. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to industrial enterprise, commercially district, high-rise building and dwell-ing house. It conforms with the standards of IEC60898.

2.Main Technical Parameter

TypeDZ55-63
Pole1P2P, 3P, 4P
Rated current (A)1,2,3,4,6,10,16,20,25,32,40,50,63
Rated voltage(V)230400
Type of instantaneous releaseB,C,D
Rated short circuit breaking capacity Icn(KA)10
Life (times)1-32AElectric life8000
Mechanical life20000
Operation frequency240 times per hour
40-63AElectric life8000
Mechanical life20000
Operation frequency120 times per hour

3.Applicable conducting wire

Rated current(A)Nominal cross section of wire mm2
1-6A1
10A1.5
16,20A2.5
25A4
32A6
40,50A10
63A16

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
(In≤32A)
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 
Dz55-63 Series Miniature Circuit Breaker
 
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