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447-K-HFN-SI-FA24-125A

更新时间： 2024-02-24 07:03:17
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ETAL /
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2页 174K
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Heavy duty vehicles, battery systems, process control

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447-K-HFN-SI-FA24-125A 数据手册

 浏览型号447-K-HFN-SI-FA24-125A的Datasheet PDF文件第2页 
High Performance Thermal-Magnetic Circuit Breakers 446/447/449  
Description  
Single pole thermal-magnetic circuit breakers with tease-free, trip-free,  
press-to-reset snap action mechanism and special dual button manual  
release which avoids the danger of unintended disconnection (M-type  
TM CBE to EN 60934). Surface mounted, compact design available  
with fast acting, standard and delayed switching characteristics.  
Options include auxiliary contact and remote electrical disconnection.  
Typical applications  
Heavy duty vehicles, battery systems, process control.  
1
446-...  
Technical data  
447-...  
449-...  
Ordering information  
Type No.  
446  
447  
449  
single pole base mounting, fast characteristic curve  
single pole base mounting, medium delay characteristic curve  
single pole base mounting, delayed characteristic curve  
Terminal design, mounting  
Voltage rating  
DC 28 V  
Current rating range  
type 446: 30...400 A  
type 447: 100...400 A  
type 449: 125...500 A  
K
screw terminals M12, insertion nuts M8  
Manual release  
H
standard  
Version  
Auxiliary circuit  
10 A  
N
general application (type 446 only)  
Electrical remote disconnection (-FA)  
FN general application (types 447 and 449 only)  
Auxiliary contacts (optional)  
Si 2 electrically separate auxiliary contacts  
with screw terminals M3.5 and  
blade terminals DIN 46244-C-MS-S  
Remote trip (optional for types 447 and 449)  
FA24 DC 24 V coil voltage  
Current ratings  
operating voltage  
operating current  
max. pulse time  
switching time  
DC 12 V or DC 24 V  
approx. 18 A or 12 A  
10 ms < tON < 20 ms / tOFF > 10 s  
< 20 ms  
Typical life  
1,000 operations at IN  
2,000 operations mechanical  
Ambient temperature  
-55...+75 °C (-67...+167 °F)  
30...400 A type 446  
100...400 A type 447  
125...500 A type 449  
Insulation co-ordination  
(IEC 60664 and 60664A) withstand voltage  
1.5 kV  
rated impulse  
pollution  
degree  
3
Dielectric strength  
(IEC 60664 and 60664A) test voltage  
operating area  
main circuit to  
auxiliary contacts  
447 - K - H - FN - ... - ... - 400 A  
ordering example  
The exact part number required can be built up from the table of choices  
shown above. Ordering references for optional features should be omitted if not  
required.  
AC 1,500 V  
AC 1,500 V  
Insulation resistance  
> 100 MΩ (DC 500 V)  
10,000 A  
Interrupting capacity Icn  
Standard current ratings and typical internal resistance values  
Degree of protection  
(IEC 60529/DIN 40050)  
operating area IP40  
terminal area IP00  
Internal  
Internal  
Current  
Current  
ratings (A)  
ratings (A)  
resistance (Ω)  
resistance (Ω)  
Vibration  
to VG 95210, sheet 19,  
IEC 60068-2-6, test Fc:  
Type 446:  
30  
Type 447:  
100  
without aux. contacts: 10 g (56-500 Hz), 0.76 mm (10-55 Hz)  
with auxiliary contacts: 4 g (56-500 Hz), 0.30 mm (10-56 Hz)  
0.006  
< 0.002  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
40  
0.0048  
0.0038  
0.0028  
0.0025  
0.0023  
0.0019  
0.0016  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
125  
Shock  
to VG 95210, sheet 28,  
IEC 60068-2-27, test Ea:  
50  
160  
without aux. contacts: 50 g (11 ms)  
with auxiliary contacts: 20 g (11 ms)  
60  
225  
70  
300  
Corrosion  
Humidity  
Mass  
96 hours at 5 % salt mist  
to VG 95210, sheet 2,  
IEC 60068-2-11, test Ka  
80  
400  
90  
Type 449:  
125  
100  
125  
150  
170  
200  
225  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
240 hours at 95 % RH  
to VG 95210, sheet 7,  
IEC 60068-2-3, test C  
160  
225  
approx. 850 g  
315  
350  
Approvals  
400  
250  
300  
350  
400  
< 0.001  
< 0.001  
< 0.001  
< 0.001  
500  
Authority  
Standard  
Rated voltage Current ratings  
only with 50 % ON duty  
UL  
CSA C22.2 No 235  
UL UL 1077  
CSA C22.2 No 235  
Bw 95345, part 15  
UL 1077  
DC 28 V  
DC 28 V  
DC 28 V  
DC 28 V  
up to 400 A  
up to 400 A  
100...350 A  
100…350 A  
Type 446/  
Type 447  
Type 449:  
All dimensions without tolerances are for reference only. In the interest of improved design,  
performance and cost effectiveness the right to make changes in these specifications  
without notice is reserved.Product markings may not be exactly as the ordering codes.  
Errors and omissions excepted.  
DC 28 V  
125...500 A  
1646  
www.e-t-a.de  
1
12

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