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4P 20a Din Rail Circuit Breaker Long Electrical Endurance Bakelite Material

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Zhejiang Sefie Electric Co.,Ltd.

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4P 20a Din Rail Circuit Breaker Long Electrical Endurance Bakelite Material

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Brand Name :	SEFIE
Model Number :	SFM1-63
Certification :	CE, ROHS, CB
Price :	Negotiable
Supply Ability :	200000 pcs per month
Delivery Time :	14 days after receipt of deposit

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Product Details
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4P 20a Din Rail Circuit Breaker Long Electrical Endurance Bakelite Material

10ka Breaking Capacity Circuit Breaker 230/400V Mini Circuit Breaker

1. Long electrical endurance up to 6000 cycles thanks to quick making mechanism

2. Contact position indicating window

3. High short-circuit capacity

4. Handle padlock device

5. Screw terminal lock device

Electrical Feature
	1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63
Poles	1P, 2P, 3P, 4P
Rate voltage(V) Ue	230/400~240/415
Insulation voltage(V) Ui	500
Rated frequency(Hz)	50
Tripping 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 circuit breaker is placed. Ambient termperature is the temperature in side the enclosure or switchboard in which the circuit breakers are installed.
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

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