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CCMR4.50 PDF预览

CCMR4.50

更新时间： 2024-09-17 20:08:07
品牌 Logo 应用领域
力特 - LITTELFUSE 电路保护
页数 文件大小 规格书
2页 188K
描述
TIME DELAY BLOW ELECTRIC FUSE, 4.5A, 600VAC, 250VDC, 200000A (IR), INLINE/HOLDER

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中文翻译

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CCMR4.50 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 250 VDC: 20000 A
熔断特性：TIME DELAY主体高度：38.1 mm
主体长度或直径：10.3 mm电路保护类型：ELECTRIC FUSE
安装特点：INLINE/HOLDER物理尺寸：10.3mm x 38.1mm
额定分断能力：200000 A额定电流：4.5 A
额定电压（交流）：600 V额定电压（直流）：250 V
参考标准：CSA; UL表面贴装：NO
端子形状：END CAPBase Number Matches：1

CCMR4.50 数据手册

 浏览型号CCMR4.50的Datasheet PDF文件第2页 
POWR-PRO® Fuses  
CCMR Series POWR-PRO® Class CC and CD Fuses  
600 VAC • Dual-Element, Time-Delay • 2/10 – 60 Amperes  
circuits than would be possible if using fast-acting fuses. CCMR series  
fuses provide superior protection in a fraction of the space required by  
other fuse classes. For example, when 600V three pole, 30 ampere Class  
R fuse blocks are replaced by Littelfuse Class CC fuse blocks, mounting  
space requirements may be reduced 70% or more. This is especially  
important when a panel contains control devices for many motors.  
In addition to the UL Listed smaller sizes, Littelfuse CCMR series fuses  
are now available in larger sizes — from 35 to 60 amperes! No other  
fuse is available with this current carrying capacity in a package  
this small. In fact, the 60 ampere CCMR fuse is the smallest 60A  
fuse available rated at 600 volts.  
Applications  
CCMR series fuses are specifically designed to withstand sustained  
starting currents of small motors  
Provide short-circuit protection for motor branch circuits  
Use with IEC- and NEMA-rated motor controllers and contactors  
General purpose circuits up to 60 amps  
Features/Benefits  
•
•
•
•
Space savings — No other fuse class approved for branch circuit  
protection has a 600 volt rating and 300,000 A.I.R. in such a small  
package.  
For space saving protection of motor circuits up to 40 HP*, we  
recommend Littelfuse POWR-PRO CCMR series fuses. These fuses  
are the only true dual-element, time-delay fuses that come in a small  
package specifically engineered for motor branch circuit protection.  
CCMR series fuses provide Type 2 “No Damage” protection to both  
NEMA-rated and the more sensitive IEC (International Electrotechnical  
Commission) type motor circuit components.  
Extremely current-limiting — Reduces damage caused by heating  
and magnetic effects of short-circuit currents. Stops damaging short-  
circuit currents faster than any mechanical protective device.  
Excellent time-delay — Eliminates needless downtime caused by  
power surges or equipment demands. Permits selection of fuse sizes  
closer to actual load conditions, which provides better protection.  
300kA Interrupting Rating — Littelfuse self-certified to 300,000  
amperes as standard. Meets future trend towards higher available  
short-circuit currents.  
Rating for rating, CCMR fuses are the most current-limiting fuses  
available. They also provide superior short-circuit protection since their  
time-delay characteristics permit the use of smaller fuse ratings in motor  
*ConsultꢀtheꢀMotorꢀProtectionꢀTablesꢀinꢀtheꢀFuseologyꢀsectionꢀforꢀspecificꢀmotorꢀsizingꢀinformation  
         
Note:ꢀForꢀavailabilityꢀofꢀRoHSꢀcompliantꢀproduct,ꢀcallꢀ1-800-TEC-FUSE.  
Specifications  
Ampere Ratings  
2
1
1
10  
2
2
4
2
Voltage Ratings:  
AC: 600 Volts  
DC: 250 Volts (CCMR ⁄ — 2A)  
⁄
1
1 ⁄  
2
3 ⁄  
6 ⁄  
12  
15  
17 ⁄  
20  
25  
30  
35  
40  
45  
50  
60  
2
1
1
1
10  
4
4
4
2
⁄
2 ⁄  
4
7
1
3
4
1
1
1
1
2
10  
2
10  
2
2
(CCMR 4 ⁄ — 10A)  
(CCMR 35 — 60A)  
⁄
1 ⁄  
2 ⁄  
4 ⁄  
7 ⁄  
1
1
8
10  
⁄
1 ⁄  
2 ⁄  
3
5
8
9
10  
1
6
8
6
6
4
10  
10  
10  
10  
300 Volts (CCMR 2 ⁄ — 4A)  
⁄
⁄
1 ⁄  
5 ⁄  
6
8
2
10  
10  
500 Volts (CCMR 12 — 30A)  
AC: 200,000 amperes rms symmetrical  
300,000 amperes rms symmetrical  
(Littelfuse self-certified)  
1 ⁄  
3 ⁄  
Interrupting Ratings:  
Example part number (series & amperage): CCMR 40  
DC: 20,000 amperes  
Recommended Fuse Blocks  
2
10  
Ampere Range:  
Approvals:  
⁄
— 60 amperes  
2
10  
AC: Standard 248-4, Class CC  
LPSC (CCMR ⁄ — 30A)  
2
2
10  
10  
UL Listed ⁄ – 30 amps (File No: E81895)  
L60030C series (CCMR ⁄ — 30A)  
Standard 248, Class CD  
L60060C series (CCMR 35 — 60A)  
UL Listed 35 – 60 amps (File No: E81895)  
Refer to Blocks & Holders section of this catalog for additional information.  
2
10  
CSA Certified ⁄ – 60 amps  
(File No: LR29862)  
DC: Littelfuse self-certified  
ꢀ0  
w w w . l i t t e l f u s e . c o m  
© 2005 Littelfuse POWR-GARD™ Products Catalog  
•
12

中文翻译

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