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DZ47 (4.5KA) Miniature Circuit Breaker

· Rated current:6,10,16,20,25,32,40,50,63A;
· Poles:1/2/3/4 poles optional;
· Breaking Capacity:4.5KA;
· We support the production of AC and DC two specifications, need DC MCB parameters of customers can consult us.
状态:
Num:
Product Parameters

 

Key Parameters:

· CE/CB/ISO9001/CCC certificates;

· Rated voltage:230/400VAC;

· frequency50/60Hz;

· Rated current:6,10,16,20,25,32,40,50,63A;

· 1/2/3/4poles optional;

· Mechniacal life:10,000times;

· Flame-redardant:PA66 nylon material;

· Protection degree:IP20;

· With over load/short circuit protection;

· Standard:IEC60898;GB10963.1

· Enduring tem.30°C

· Breaking Capacity:4.5KA;

· Lighting/Motor protection optional

 

Application:

DZ47-63 high breaking miniature circuit breaker has the features of structure advanced, performance reliable, breaking capacity high, appearance elegant and its shell and parts are made of material with impact resistance, strong flame-retardant feature.

It is suitable to power system of 50or 60 frequency ,Ue 400V and below, Ui 63A and below.

It is mainly applied at office building, residence, for lighting , power distribution and overload and short circuit protection of equipment. Normally, it also can be used as the not frequent transfer of power system. It conforms to the standards IEC60898and GB10963.1.

 

Technical Parameters:

Rated voltage(V)

Poles

Rated current(A)

Rated short circuit breaking capacity

Test breaking capacity(KA)

Power factor

230

1,2

6,10,16,20,

25,32,40

4.5

0.65~0.70

400

3,4

4.5

230

1,2

50,63

4.5

0.75~0.80

400

3,4

4.5

 

Remark:

1.mechanical life:10,000 times(off-on).

2.heat resistance: category 2 (temperature 55°C,relative humidity 95%).

3.wiring is terminal with clamp, cable dia.:25mm2.

 

Current Release Character Diagram:

Test current

(A)

Rated current

(A)

Requested time

Result

Start station

Remark

1.13In

all

t>=1h

Don’t trip

Cool

1.45In

All

T<1h

trip

heat

Current ascends the requested value stably in 5s

2.55In

In<=32A

1s<t<60s

trip

Cool

Auxiliary switch closed, power is on 

2.55In

In>32A

1s<t<120s

trip

Cool

Auxiliary switch closed, power is on 

5In(Cmode)

All

t>=0.1s

Don’t trip

Cool

Auxiliary switch closed, power is on 

10In(Cmode)

All

T<0.1s

 trip

Cool

Auxiliary switch closed, power is on 

10(Dmode)

All

t>=0.1s

 Don’t trip

Cool

Auxiliary switch closed, power is on 

14In(Dmode)

All

T<0.1s

trip

Cool

Auxiliary switch closed, power is on 




SINGI 介绍800.jpg

 DZ47-63 MCB miniature circuit breaker


key word:MCB ,Miniature circuit breaker,China manufacturer


Application Scenario

 

1.Residential and Commercial Buildings

Residential Electrical Protection: In ordinary residential houses, MCBs are used to protect circuits for lighting, sockets, air conditioners, water heaters, and other appliances. If a short circuit or overload occurs in an appliance, the MCB can shuts off the power quickly , preventing overheating and fires from wires, ensuring the safety of people and property.

 

Commercial Space Protection: In commercial space like office building, shopping mall, and hotel, MCBs are used to protect circuits for various office equipment, lighting systems, and air conditioning systems. The MCBs can prevent circuit overloads and short circuits quickly which is caused by equipment failure or human error, ensuring the safety of people and property.

 

2.Industrial Sector

Small Equipment Protection: In industrial production, many small equipment and machinery require MCBs for circuit protection. For example, small machine tools and power tools require MCBs to prevent damage from abnormal current flow during operation, extending their service life.

Control Circuit Protection: In complex industrial control systems, MCBs are used to protect the normal operation of control circuits. They ensure that power is promptly cut off in the event of a fault, preventing damage to the control system and thus ensuring the stability and safety of the entire industrial process.

 

3.Lighting Systems

 

Public Lighting: In public lighting spaces like street lighting, square lighting, and park lighting, MCBs are used to protect lighting circuits. MCBs can prevent short circuits and overloads which is caused by lamp failures or aging wiring, ensuring the reliability of the lamps and providing a safe nighttime environment.

 

Large Indoor Lighting: MCBs also is important in the indoor lighting systems of large buildings, like shopping malls, stadiums, and exhibition halls. They protect lighting circuits stably, preventing electrical failures that can occur due to a large number of lamps and complex wiring, and ensuring the normal operation of indoor lighting.

 

4. Low-Voltage Power Distribution System

Core Component of Distribution Boxes: In low-voltage power distribution systems, MCBs are standard features in distribution boxes and cabinets. They provide independent protection and control for each branch circuit and can be flexibly configured based on actual power load. They are key to achieving intelligent power distribution management and comprehensive system protection.

A safety benchmark for temporary power use: Construction sites, outdoor activities, and other temporary power-using environments present complex electrical environments and numerous potential safety hazards. MCBs provide essential safety protection for these temporary equipment and lines, ensuring proper operation even in these complex power-using environments and minimizing electrical safety incidents.


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