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ECSR250 PDF预览

ECSR250

更新时间: 2024-02-14 03:56:56
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描述
Class RK5 600Vac, 70 to 600A Dual-Element, Time-Delay Fuses

ECSR250 数据手册

 浏览型号ECSR250的Datasheet PDF文件第2页 
ECSR  
Class RK5 600Vac, 70 to 600A  
Dual-Element, Time-Delay Fuses  
Dimensions (inches)  
• Simplifies and improves blackout prevention (selective  
coordination ratios).  
Catalog Symbol: ECSR  
Dual-Element, Time-Delay – 10 seconds (minimum) at 500%  
rated current  
• Dual-element fuses can be applied in circuits subject to  
temporary motor overloads and surge currents to  
provide both high-performance, short-circuit and  
overload protection.  
Current-Limiting  
Volts: 600Vac (or less)  
Amps: 65 to 600A  
IR: 200kA RMS Sym.  
Catalog Numbers (amps)  
ECSR70  
ECSR75  
ECSR80  
ECSR90  
ECSR100  
ECSR110  
ECSR125  
ECSR150  
ECSR175  
ECSR200  
ECSR225  
ECSR250  
ECSR300  
ECSR350  
ECSR400  
ECSR450  
ECSR500  
ECSR600  
Agency Information: CE, UL. Listed, Std. 248-12, Class  
RK5, Guide JDDZ, File E162363 CSA Certified, HRCI-R  
C22.2 No. 248.12, Class 1422-01, File 53787  
Features  
• Provides motor overload, ground fault and short-circuit  
protection. When used in circuits subject to surge  
currents such as those caused by motors, transformers  
and other inductive components, these fuses can be  
sized close to full-load Amps to give maximum  
overcurrent protection.  
Carton Quantity and Weight  
Carton  
Quantity  
Weight per Carton  
lbs  
Amps  
kg  
65–100  
101–200  
201–400  
401–600  
1
1
1
1
0.54  
1.22  
3.00  
5.00  
0.24  
0.54  
1.36  
2.27  
• The time-delay feature makes it possible to use fuse  
Amp ratings, which are much smaller than those of  
non-time-delay fuses. Considerable cost saving occurs  
by permitting the use of smaller size switches, panels  
and fuses themselves.  
Class R Fuse Blocks (600V) Catalog Data  
(Clip Retaining Spring Standard, Suffix “R”)  
Terminal Type (Suffix No.)  
Basic Box Lug w/  
Catalog  
Number  
• Provides a good degree of short-circuit protection  
(greater current-limitation) to help protect downstream  
components from high fault currents.  
Reinforced Clip  
Amps  
70  
Poles  
CU only  
COR  
COR  
COR  
1
2
3
1
1
1
R60100-1  
R60100-2  
R60100-3  
R60200-1  
R60400-1  
R60600-1  
CR  
CR  
CR  
CR  
CR  
CR  
• Gives motor running back-up protection to motors  
without extra costs.  
to  
100  
• Helps protect motors against burnout from overloads  
and single phasing when sized properly.  
to 200  
to 400  
to 600  
Form No. ESCR 70-600  
Page 1 of 2  
07-10-07  
BU-SB07255  
Data Sheet #1318  

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