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JLLS300

更新时间： 2024-01-08 15:10:08
品牌 Logo 应用领域
力特 - LITTELFUSE 电路保护
页数 文件大小 规格书
3页 439K
描述
Electric Fuse, Fast Blow, 300A, 600VAC, 300VDC, 200000A (IR), Inline/holder, ROHS COMPLIANT

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中文翻译

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JLLS300 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：ROHS COMPLIANTReach Compliance Code：unknown
ECCN代码：EAR99风险等级：5.69
其他特性：RATED BREAKING CAPACITY AT 300 VDC: 20000 A熔断特性：FAST
主体高度：43.7 mm主体长度或直径：40.5 mm
电路保护类型：ELECTRIC FUSE安装特点：INLINE/HOLDER
物理尺寸：40.5mm x 43.7mm额定分断能力：200000 A
额定电流：300 A额定电压（交流）：600 V
额定电压（直流）：300 V参考标准：CSA; UL
表面贴装：NO端子形状：TAB/BLADE
Base Number Matches：1

JLLS300 数据手册

 浏览型号JLLS300的Datasheet PDF文件第2页浏览型号JLLS300的Datasheet PDF文件第3页 
™
JLLN/JLLS POWR-T Class T Fuses  
ꢀ
ꢀ
300/600 VAC Fast-Acting 1 – 1200 Amperes  
SPECIFICATIONS  
Voltage Ratings:AC: 300 Volts (JLLN); 600 Volts (JLLS)  
DC: 125 Volts (JLLN 110 – 1200A);  
300 Volts (JLLS)  
Interrupting Ratings:AC: 200,000 amperes rms symmetrical  
DC: 20,000 amperes  
(JLLN 110 – 1200A)  
(JLLS 1 – 1200A)  
Ampere Range: 1– 1200 amperes  
Approvals: AC: Standard 248-15, Class T  
UL Listed (File No: E81895):  
JLLN/JLLS (1 – 800A)  
UL Recognized (File No: E71611):  
JLLS (900 – 1200A)  
CSA Certified (File No: LR29862):  
JLLN/JLLS (1 – 600A)  
DC: UL Listed (File No: E81895):  
JLLN (110 – 1200A)  
Littelfuse Self-certified: JLLS 300 VDC  
AMPERE RATINGS  
1
20  
25  
30  
35  
40  
45  
50  
60  
70  
80  
90  
100  
110  
125  
150  
175  
200  
225  
250  
300  
350  
400  
450  
500  
600  
700  
800  
1000  
1100  
1200  
2
3
6
10  
15  
Example part number (series & amperage): JLLS 100  
RECOMMENDED FUSE BLOCKS  
LT300 series (for JLLN series fuses)  
LT600 series (for JLLS series fuses)  
Space saving POWR-T™ fuses are the most compact fuses  
available in ratings above 30 amperes — less than one-third  
the size of comparable Class R fuses. When rated in accor-  
dance with the NEC, POWR-T fuses provide fast-acting  
overload and short circuit protection for non-inductive circuits  
and equipment. Used in inductive circuits, the ampere rating  
of POWR-T fuses must be increased to prevent opening on  
inrush currents. In such instances, POWR-T fuses may  
provide only short circuit protection.  
Refer to Fuse Block section of this catalog for additional  
information.  
ꢀ
Extremely current limiting — Stops damaging short circuit  
current faster than any mechanical protective device.  
ꢀ
Fast-acting — Provides fast-acting overload protection to  
equipment such as variable speed drives, rectifiers and  
other equipment containing surge-sensitive components.  
For motor and general purpose circuits where space is not  
critical, we recommend POWR-PRO® JTD_ID Indicator  
series, LLNRK/LLSRK series, or FLSR_ID Indicator series.  
LONGER EQUIPMENT LIFE  
ꢀ
Current limiting design greatly reduces damage to equip-  
ment caused by heating and magnetic effects of short  
circuit currents.  
APPLICATIONS  
Protection of individual electric services and meters.  
Main switches containing Class T fuses may be used to  
provide compact protection for meter stacks.  
ECONOMICAL  
ꢀ
Extremely current limiting design often permits use of  
readily available, less costly equipment.  
Molded case circuit breaker load centers and panelboards  
have increased interrupting ratings when “series rated” with  
Littelfuse Class T fuses. Refer to panelboard manufacturers’  
literature for UL Listed combination of fuses and panelboards.  
Series ratings up to 200,000 amperes are available.  
ꢀ
Used as input or output fuses for surge-sensitive compo-  
nents, such as variable speed drives and rectifiers,  
fast-acting POWR-T JLLN/JLLS fuses may prevent  
opening of expensive semiconductor fuses protecting  
individual components.  
SPACE-SAVING  
Typical three-pole Class T fuse blocks require less than 50%  
of the panel area required for Class R fuse blocks. Switch  
enclosures, fuse pullouts, and other equipment using Class T  
fuses are often correspondingly more compact.  
NOTE: JLLN Class T 300 volt fuses are UL listed for circuits  
not exceeding 300 volts to ground. However, since UL does  
not include testing 300 volt Class T fuses on 277/480 volt  
three-phase bolted faults, Littelfuse does not recommend  
using 300 volt Class T fuses where phase-to-phase voltage  
exceeds 300 volts.  
SAFETY  
ꢀ
200,000 A.I.R. — Reliable interruption of all overcurrents up  
to 200,000 amperes.  
39  
123

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