參數(shù)資料
型號: 12URD70D11A0280
廠商: MERSEN
元件分類: 保險(xiǎn)絲
英文描述: VERY FAST BLOW ELECTRIC FUSE, 280A, 1200VAC, 100000A (IR), INLINE/HOLDER
文件頁數(shù): 11/12頁
文件大?。?/td> 718K
代理商: 12URD70D11A0280
D 85
D
PSC
1250/1300VAC SEMICONDUCTOR PROTECTION FUSES
Correction factor to determine clearing
I2t value for a fuse operating below its rated voltage
Example:
Fuse 350 A in size 30
Ip = 10,000A U = 500V
At 660 V
I
2t t =80,000 A2s Tt = 6 ms
At 500 V
I
2t t = 80,000 x 0.72 = 57,600 A2s
Tt = 6 x 0.72 = 4.3 ms
*curve for fuses page 278 with P
2t published at 850VAC
Above: Correction factor to determine watts loss value of a fuse
operating below its rated current.
Above: Determines the peak ars voltage across the fuse terminals
as a function of applied voltage.
Clearing I2t vs. Operating Voltage
Watts Loss vs. Rated Current
Maximum Arc Voltage vs. System Voltage
相關(guān)PDF資料
PDF描述
12URD70D11A0315 VERY FAST BLOW ELECTRIC FUSE, 315A, 1200VAC, 100000A (IR), INLINE/HOLDER
12URD73D11A0700 VERY FAST BLOW ELECTRIC FUSE, 700A, 1200VAC, 100000A (IR), INLINE/HOLDER
12URD73TTF0900 VERY FAST BLOW ELECTRIC FUSE, 900A, 1200VAC, 100000A (IR), INLINE/HOLDER
9URD73D11A1000 VERY FAST BLOW ELECTRIC FUSE, 1000A, 900VAC, 100000A (IR), INLINE/HOLDER
9URD73D11A1100 VERY FAST BLOW ELECTRIC FUSE, 1100A, 900VAC, 100000A (IR), INLINE/HOLDER
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