Zhejiang Fushi Electric Co., Ltd.
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  • Contact Person : Mr. huang zan
  • Company Name : Zhejiang Fushi Electric Co., Ltd.
  • Tel : 0086-577-62729596
  • Fax : 0086-577-62731562
  • Address : Zhejiang,Yueqing,No.17,Lunchuan xiang,Liushi Town,
  • Country/Region : China
  • Zip : 325604

2P DC miniature circuit breaker

2P DC miniature circuit breaker
Product Detailed
Related Categories:Circuit Breakers
Overload protection Short circuit protection Isolation Controlling
   
    
    
    
Test Current                         Tripping Time
1.13lnt≥1h(ln≤63A)                         Non-Tripping
1.45lnt<1h(ln≤63A)                         Tripping
2.55ln

1s<t<60s(ln≤32A)     

                                              Tripping

1s<t<120s(ln>32A) 

Used in residential building. non-residential building, energy, industry and infrastrure

Rated current ln(A): 2,4,6,10,16,20,25,32,40,50,63

Rated voltage Ue(AC):230/ 400V

Operational voltage(AC): Min.24V Max.250/ 440V

Rated insulation voltage(AC): 500V

Tripping Characteristics: B,C,D

Degree of protection: IP40(top), IP20(terminal), with connected conductors

Electrical life(0-C): 8,000

Mechanical life(0-C): 20,000

Max fuse: 100gL(>10KA)

ModelRated voltage(V)Icu=Ics(KA)Ics(KA)Standards
Mk7-631P:23066IEC60898-1
 2-4P:40066IEC60898-1

Fire resistance according to UL 94: Vo

Terminal tightening torque(N.m): 2.5-3

Magentic release

An electromagnet with plunger ensure instantaneous tripping in case of short circuit. The IEC60898 distinguishes three different types, following the current for instaneous release: type B,C,D

 Test Current

             

Tripping Time           

Applications
B

3In

5In

t≥0.1s NonTripping

t<0.1s  Tripping

Only for resistive loads such as:

-electrical heating

-water heater

-stoves

C

5In

10In

t≥0.1 NonTripping

t<0.1s   Tripping

Usual loads such as:

-lighting

-socket outlets

-small motors

D

10In

20In

t≥0.1s NonTripping

t<0.1s    Tripping

Control and protection of circuits having important transient inrush currents(large motors)

Thermal release

The release is initiated by a bimetal strip in case of overload

The standard defines the range of release for specific overload values

Reference ambient temperature is 30°C

Test CurrentTripping Time 
1.13Int≥1h(In≤63A)Non-Tripping
1.45Int<1h(In≤63A)Tripping
2.55In

1s<t<60s(In≤32A)

1s<t<120s(In>32A)

Tripping

Rated current ln(A): 2,4,6,10,16,20,25,32,40,50,63

Rated voltage Ue(AC):230/ 400V

Operational voltage(AC): Min.24V Max.250/ 440V

Rated insulation voltage(AC): 500V

Tripping Characteristics: B,C,D

Degree of protection: IP40(top), IP20(terminal), with connected conductors

Electrical life(0-C): 8,000

Mechanical life(0-C): 20,000

Max fuse: 100gL(>10KA)

2P DC miniature circuit breaker



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