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Miniature Wifi Controlled Circuit Breaker Ac Mcb Residual Current Circuit Breaker

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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

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
Poles	1P,2P,3P,4P
Rated voltage(V)Ue	230/400~240/415
Insulation voltage(V)Ui	500
Rated frequency(Hz)	50
Tipping curve	B,C,D Type
Standard	Iec60898-1
Breaking capacity(Ka)	10
Power loss per pole	Rated current(A)	Max power loss per pole(W)
	1,2,3,4,6,10	2
	16,20,25,32,	3.5
	40,50,63	5
Pollution degree	Ⅱ
Energy limiting class	3

Mechanical Features
Electrical life	4000
Mechanical life	20000
Contact position indicator	NO
Protection degree	IP20
Reference temperature for setting of thermal element	30℃
Working ambient temperature	-5~40℃
Storage temperature	-25~70℃

Installation
Terminal connection type	Cable
Mounting	On 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℃
1	1.3	1.26	1.23	1.19	1.15	1.11
2	2.6	2.52	2.46	2.38	2.28	2.2
3	3.9	3.78	3.69	3.57	3.42	3.3
4	5.2	5.04	4.92	4.76	4.56	4.4
6	7.8	7.56	7.38	7.14	6.86	6.6
10	13.2	12.7	12.5	12	11.5	11.1
16	21.12	20.48	20	19.2	18.4	17.76
20	26.4	25.6	25	24	23	22.2
25	33	32	31.25	30	28.75	27.75
32	42.56	41.28	40	38.72	37.12	35.52
40	53.2	51.2	50	48	46.4	44.8
50	67	65.5	63	60.5	58	56
63	83.79	81.9	80	76.86	73.71	70.56

Rated current(A)	20℃	30℃	40℃	50℃	60℃	70℃
1	1.05	1	0.96	0.93	0.88	0.83
2	2.08	2	1.92	1.86	1.76	1.66
3	3.12	3	2.88	2.79	2.64	2.49
4	4.16	4	3.84	3.76	3.52	3.32
6	6.24	6	5.76	5.64	5.28	4.98
10	10.6	10	9.6	9.3	8.9	8.4
16	16.96	16	15.36	14.88	14.24	13.44
20	21.2	20	19.2	18.6	17.8	16.8
25	26.5	25	24	23.25	22.25	21
32	33.92	32	30.72	29.76	28.16	26.88
40	42.4	40	38.4	37.2	35.6	33.6
50	53	50	48	46.5	44	41.5
63	66.78	63	60.48	58.9	55.44	52.29