电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

LCU300E

产品描述Electric Fuse, Medium Blow, 300A, 5500VAC, 80000A (IR), Inline/holder
产品类别电路保护   
文件大小377KB,共8页
制造商Littelfuse
官网地址http://www.littelfuse.com
下载文档 详细参数 全文预览

LCU300E概述

Electric Fuse, Medium Blow, 300A, 5500VAC, 80000A (IR), Inline/holder

LCU300E规格参数

参数名称属性值
厂商名称Littelfuse
Reach Compliance Codeunknown
Is SamacsysN
熔断特性MEDIUM
主体高度454.03 mm
主体长度或直径162.05 mm
电路保护类型ELECTRIC FUSE
制造商序列号LCU
安装特点INLINE/HOLDER
物理尺寸162.05mm x 454.03mm
额定分断能力80000 A
额定电流300 A
额定电压(交流)5500 V
表面贴装NO
端子形状END CAP
Base Number Matches1

文档预览

下载PDF文档
Medium Voltage Fuses
Medium Voltage Fuses
2,400 - 38,000 VAC • Current-Limiting
Current-limiting “E” and “R” rated fuses
are equipped with a mechanical indicator
or striker pin that protrudes through the
fuse cap upon operation of the fuse. This
provides visual identification of a blown
fuse and can be used as a trigger for
external devices.
Note: Extension distance
1
/
2
” min; extension
force 2lb. min
General Information
The terms “Medium Voltage” and “High Voltage” have been used
interchangeably by many people to describe fuses operating above 600
volts. Technically speaking, “medium voltage” fuses are those intended
for the voltage range from 2,400 to 38,000 VAC. “High voltage” fuses
are for circuits carrying voltages greater than 38,000 VAC.
“E” rated fuses are considered to be general purpose fuses and can be
used to protect against low and high values of fault current. “R” rated
fuses are designed for back-up protection. They must be used in series
with other devices such as motor overload relays in order to achieve
both overload and short-circuit protection.
Medium voltage fuses are not intended to provide overload protection in
the same sense as fuses rated 600 volts or less. Medium voltage fuse
current ratings do not have the same meanings as the ampere ratings of
low voltage fuses.
Littelfuse now offers a complete selection of “E” and “R” rated
medium voltage fuses for the protection of transformers, potential
transformers, feeders, and motor circuits. Single, double, and triple
barrel designs are available to cover a wide range of current, voltage,
and interrupting ratings. Conventional ferrule type, clip lock, and bolt-in
mounting configurations are now available for virtually any application.
Hermetically sealed fuses for use in hazardous environments are also
offered.
Contact the factory or your local Littelfuse representative for additional
fuse ratings or custom mounting configurations.
24 Hour Emergency Service is available. Call 847 824 1188.
All medium voltage fuses are limited in their ability to interrupt low value
overcurrents, especially those between 100% and 200% of the fuse’s
continuous current rating. They are designed to carry their rated current
without exceeding the temperature rise permitted by NEMA and ANSI
standards.
Additional application data can be found in the Fuse Application section
of this catalog.
Medium Voltage Fuses
Applications
Power Transformer Protection
Potential Transformer Protection
Motor Controller Back-up Protection
Fused Switches
Feeder Circuits
Bolt-in Mount Fuses
64
www.littelfuse.com
© 2005 Littelfuse
POWR-GARD
Products Catalog
基于 FPGA 的数字视频转换接口的设计与实现
515685 ...
至芯科技FPGA大牛 FPGA/CPLD
现在用什么嵌入式系统好
最近想买点书看看,但发现UCOS的书很少了,不知是什么原因啊?...
bucker 嵌入式系统
刚学到一种驱动直流电机正反转方法
觉得挺省事的。...
xu__changhua 单片机
请问,有谁玩过用Ti的lm3s的片子控制两相步进电机,求交流!!
请问,有谁玩过用Ti的lm3s的片子控制两相步进电机,求交流!...
5e2tjiang 单片机
大家画原理图和PCB都用什么工具? PADS?PROTEL?
大家都是用正版的吗?个人觉得如果是用盗版的,有点风险,哪天厂家找我们算账,如何应对呢?有没有哪个软件是免费的?...
William.W 单片机
容错系统中的自校验技术及实现方法
容错系统中的自校验技术及实现方法 阐述了自校验技术在容错系统中的作用,给出了自校验网络实现原理及实现方法,指出用VHDL语言结合FPGA/CPLD是实现大规模自校验网络的有效途径。 关键词 ......
aimyself FPGA/CPLD

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 1093  844  576  2712  2235  31  3  36  7  16 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved