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FLNR7.50

更新时间： 2024-12-01 15:32:27
品牌 Logo 应用领域
力特 - LITTELFUSE 电路保护
页数 文件大小 规格书
1页 77K
描述
Electric Fuse, Time Delay Blow, 7.5A, 250VAC, 125VDC, 200000A (IR), Inline/holder

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中文翻译

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FLNR7.50 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
风险等级：5.65其他特性：RATED BREAKING CAPACITY AT 125 VDC: 20000 A
熔断特性：TIME DELAY电路保护类型：ELECTRIC FUSE
安装特点：INLINE/HOLDER额定分断能力：200000 A
额定电流：7.5 A额定电压（交流）：250 V
额定电压（直流）：125 V参考标准：CSA; UL
表面贴装：NOBase Number Matches：1

FLNR7.50 数据手册

  
General Purpose Fuses  
FLNR/FLSR Class RK5 Fuses  
250/600 VAC • Dual-Element, Time-Delay • 1/10 – 600 Amperes  
Applications  
Service entrance switches  
Switchboard main and feeder switches  
Motor control center mains and motor branch circuits  
Individual fused combination motor controllers  
Distribution panelboards  
Industrial control panels  
Protection of fully rated panelboards and loadcenters  
All general purpose circuits  
Safety  
•
200,000 A.I.R. — Reliable interruption of all overcurrents up to  
200,000 amperes.  
•
Faster acting short-circuit protection than any non-current-limiting  
mechanical protective device.  
Reliability  
•
Accurate and reliable — Automated, precision manufactured and  
assembled parts ensure accurate, consistent response to overloads  
and short-circuits.  
Longer Equipment Life  
•
Reduced damage to equipment caused by heating and magnetic  
forces of short-circuits.  
•
Littelfuse FLNR/FLSR series fuses have been the superior UL Class  
RK5 dual-element time-delay fuses, and are the most widely used class  
of fuses. FLNR/FLSR series fuses provide excellent protection for all  
types of circuits especially those containing motors. However, users and  
specifiers should consider the significant benefits offered by Indicator  
fuses. Complete information on these fuses may be found earlier in this  
section.  
Equipment runs cooler with low-resistance dual-element fuses.  
Specifications  
Ampere Ratings  
1
6
8
10  
8
10  
10  
10  
Voltage Ratings:  
AC: 250 Volts (FLNR)  
600 Volts (FLSR)  
DC: 125 Volts (FLNR)  
300 Volts (FLSR)  
⁄
⁄
⁄
⁄
1 ⁄  
4
4 ⁄  
8
9
30  
35  
40  
45  
50  
60  
70  
75  
80  
90  
225  
250  
300  
350  
400  
450  
500  
600  
1
8
1
2
2
15  
1
100  
10  
4
⁄
1
2 ⁄  
5
10  
12  
15  
100  
110  
125  
150  
175  
200  
2
1
1
6
8
4
2
10  
⁄
1 ⁄  
2 ⁄  
5 ⁄  
1
1
8
4
10  
Interrupting Ratings:  
AC: 200,000 amperes rms symmetrical  
DC: 20,000 amperes  
⁄
1 ⁄  
2 ⁄  
3
6
3
4
1
1
**  
10  
10  
2
4
2
⁄
1 ⁄  
6 ⁄  
7
17 ⁄  
1
4
1
2
10  
10  
10  
2
Ampere Range:  
Approvals:  
⁄
– 600 amperes  
⁄
1 ⁄  
3 ⁄  
20  
25  
1
6
1
1
2
10  
2
Standard 248-12, Class RK5  
⁄
1 ⁄  
3 ⁄  
7 ⁄  
UL Listed (File No: E81895)  
**FLNR only,  
Example part number (series & amperage): FLSR100  
CSA Certified (File No: LR29862)  
MSHA 300 Volt Listing (FLSR)  
QPL: Federal Specification WF-1814  
Recommended Fuse Blocks  
LR250 series (for FLNR series fuses)  
LR600 series (for FLSR series fuses)  
Dimensions  
Refer to FLNR_ID series for FLNR dimensions and FLSR_ID series for FLSR  
dimensions.  
Refer to Blocks & Holders section of this catalog for additional information.  
© 2005 Littelfuse POWR-GARD™ Products Catalog  
w w w . l i t t e l f u s e . c o m  
33  
•
1

中文翻译

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