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Miniature Wifi Controlled Circuit Breaker Ac Mcb Residual Current Circuit Breaker

Zhejiang Sefie Electric Co.,Ltd.
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Address: Xiangyang Industrial Zone,Liushi,Wenzhou,china

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Zhejiang Sefie Electric Co.,Ltd.

Miniature Wifi Controlled Circuit Breaker Ac Mcb Residual Current Circuit Breaker

Country/Region china
City & Province wenzhou zhejiang
Categories Battery Chargers
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Product Details

SFM series 50A 63A amp single two three four pole phase mini electric miniature mcb rccb wifi ac dc circuit breaker type

 

1.  Thermoplastic shell, full inlet, impact resistant, recyclable, self extinguishing
2.  Super safety: classic U tunnel terminal, to ensure that the line connection is solid and reliable
3.  Safety handle, classic original design, ergonomic
4.  The original air flow, can effectively reduce the temperature between adjacent circuit breaker
 
 
Electrical Feature
 1,2,3,4,6,10,16,20,25,32,40,50,63
Poles1P,2P,3P,4P
Rated voltage(V)Ue230/400~240/415
Insulation voltage(V)Ui500
Rated frequency(Hz)50
Tipping curve B,C,D Type
StandardIec60898-1
Breaking capacity(Ka)10
Power loss per poleRated current(A)Max power loss per pole(W)
1,2,3,4,6,102
16,20,25,32,3.5
40,50,635
Pollution degree
Energy limiting class3

 

 

Mechanical Features
Electrical life4000
Mechanical life20000
Contact position indicatorNO
Protection degreeIP20
Reference temperature for setting of thermal element30℃
Working ambient temperature-5~40℃
Storage temperature-25~70℃

 

 

 

Installation
Terminal connection typeCable
MountingOn DIN rail IEC60715(35MM)by means of fast clip device

 

 

Temperature derating

The maximum permissible crrent in a circuit breaker depends on the ambient temperature where the ciecuit breaker is placed. Ambient temperature is the temperature in side the enclosure or switchboard in The reference temperature is 30℃
 
Rated current(A)-35℃

-30℃

 

-20℃

 

-10℃

 

0℃

 

10℃

 
11.31.261.231.191.151.11
22.62.522.462.382.282.2
33.93.783.693.573.423.3
45.25.044.924.764.564.4
67.87.567.387.146.866.6
1013.212.712.51211.511.1
1621.1220.482019.218.417.76
2026.425.625242322.2
25333231.253028.7527.75
3242.5641.284038.7237.1235.52
4053.251.2504846.444.8
506765.56360.55856
6383.7981.98076.8673.7170.56

 

 

 

Rated current(A)

20℃

 

30℃

 
40℃

50℃

 

60℃

 

70℃

 
11.0510.960.930.880.83
22.0821.921.861.761.66
33.1232.882.792.642.49
44.1643.843.763.523.32
66.2465.765.645.284.98
1010.6109.69.38.98.4
1616.961615.3614.8814.2413.44
2021.22019.218.617.816.8
2526.5252423.2522.2521
3233.923230.7229.7628.1626.88
4042.44038.437.235.633.6
5053504846.54441.5
6366.786360.4858.955.4452.29

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