12-17-98
SB98107
Rev. A
Electrical Characteristics
I
2
T (Amp
2
Seconds) Nom Dimensions (Inches/mm)
Catalog Ampere Pre- Total At Watts Rated
Number Rating Arcing 415V Loss Voltage A B C D E F G H J
EF355 355 360,000 865,000 24
415AC 210.0 187.0 136.0 75.0 25.4 15.5 10.5 4.7 59.0
EF400 400 475,000 1,150,000 29
550AC
EF400M500 400M500 1,200,000 2,700,000 27 210.0 185.0 134.0 77.5 25.4 15.5 10.5 6.4 74.0
Dimensional Data:
Time-Current Characteristic Curve (Full Size Curves Available)
Industrial HRC Fuse EF
38 x 212mm, BS88, IEC 269-1
Center Bolted Tags
Bussmann
®
Form No. EF
Page 1 of 1
BIF Doc #4120
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF document are by definition uncontrolled. This bulletin is intended to
clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any
products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been select-
ed, it should be tested by the user in all possible applications.
CATALOG SYMBOL: EF
INDUSTRIAL HRC FUSE
CENTER BOLTED TAGS
PACKAGE QUANTITY: 1
80kA INTERRUPTING RATING
