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157K10-KF-5A PDF预览

157K10-KF-5A

更新时间: 2024-11-26 01:02:23
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4页 233K
描述
Motors, transformers, solenoids, extra low voltage wiring systems

157K10-KF-5A 数据手册

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Thermal Overcurrent Circuit Breaker 157  
Description  
Single pole thermal circuit breaker with push-to-reset, tease-free,  
trip-free, snap action mechanism (R-type TO CBE to EN 60934),  
threadneck panel mounting. The optional -KF housing is particularly  
suited to high humidity and other damp conditions.  
Approved to CBE standard EN 60934 (IEC 60934).  
Typical applications  
Motors, transformers, solenoids, extra low voltage wiring systems.  
1
Ordering information  
157-...  
Type No.  
157  
threadneck panel mounting (plastic knurled nut bulk  
shipped with 5 pcs plus)  
Technical data  
Terminal design  
P10 blade terminals A6.3-0.8 (QC .250)  
K10 screw terminals M4x6  
Housing  
For further details please see chapter: Technical Information  
Voltage rating  
AC 250 V; DC 28 V  
(UL: AC 250 V; DC 50 V)  
KF for tropical and high humidity conditions  
Current ratings  
Current ratings  
Typical life  
0.05...25 A  
0.05...25 A  
0.05...16 A 5,000 operations at 2 x IN, inductive  
17...25 A  
5,000 operations at 2 x IN, resistive  
157 - P10 - .. - 10 A ordering example  
Ambient temperature  
-20...+60 °C (-4...+140 °F)  
Insulation co-ordination  
(IEC 60664 and 60664 A) withstand voltage  
2.5 kV  
rated impulse  
pollution  
degree  
2
Standard current ratings and typical internal resistance values  
reinforced insulation in operating area  
Current  
rating (A)  
Internal  
Current  
Internal  
resistance (Ω)  
Dielectric strength  
(IEC 60664 and 60664A) test voltage  
resistance (Ω) rating (A)  
operating area  
AC 3,000 V  
0.05  
0.08  
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
0.8  
1
280  
100  
110  
29  
3
0.1  
Insulation resistance  
Interrupting capacity Icn  
> 100 MΩ (DC 500 V)  
0.05...2.5 A 8 x IN  
3.5  
4
0.06  
3...5 A  
6...12 A  
13...25 A  
20 x IN  
200 A  
300 A  
0.06  
4.5  
5
0.05  
Interrupting capacity  
(UL 1077)  
IN  
UN  
0.05...20 A  
0.05...25 A  
AC 250 V 2,000 A  
DC 50 V  
14  
0.05  
2,500 A  
Degree of protection  
(IEC 60529/DIN 40050)  
operating area IP40  
terminal area IP00  
7
6
0.02  
Vibration  
8 g (57-500 Hz) 0.61 mm (10-57 Hz)  
to IEC 60068-2-6, test Fc,  
10 frequency cycles/axis  
4.9  
3.4  
2.5  
1.8  
1.2  
0.8  
0.6  
0.2  
0.3  
0.2  
7
0.02  
8
0.02  
Shock  
25 g (11 ms)  
to IEC 60068-2-27, test Ea  
10  
12  
13  
15  
16  
20  
22  
25  
< 0.02  
< 0.02  
< 0.02  
< 0.02  
< 0.02  
< 0.02  
< 0.02  
< 0.02  
Corrosion  
Humidity  
Mass  
96 hours at 5 % salt mist,  
to IEC 60068-2-11, test Ka  
240 hours at 95 % RH  
to IEC 60068-2-78, test Cab  
1.2  
1.5  
1.8  
2
approx. 24 g  
Approvals  
Authority  
Standard  
Rated voltage  
Current ratings  
2.5  
VDE  
IEC / EN  
60934  
AC 250 V  
DC 28 V  
0.05 A…25 A  
0.05 A…20 A  
UL  
UL 1077  
AC 250 V  
DC 50 V  
0.05 A…20 A  
0.05 A…25 A  
CSA  
CQC  
C22.2 No 235 AC 250 V  
DC 50 V  
0.1 A…20 A  
0.1 A…25 A  
GB 17701  
AC 250 V  
DC 28 V  
0.05 A…25 A  
0.05 A…25 A  
1646  
www.e-t-a.de  
1

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