Special Purpose Fuses
LA60X Semiconductor Fuses
600 VAC • Very Fast Acting • 700 – 2000 Amperes
Littelfuse LA60X semiconductor protection fuses are popular for the
protection of higher voltage heavy rectifiers such as traction rectifiers.
They can carry long sustained overloads common with heavy-duty
apparatus. The compact “hockey puck” design provides high power
protection in a small space.
Features
• Lowest I
2
t minimizes damage to protected components on
short- circuit.
• Controlled arc voltage reduces stress to circuit components during
fuse clearing.
Applications
Protection of heavy traction and electrochemical as well as rectifiers and
other heavy-duty equipment.
Ordering Information
LA 60 X 700 -128
Littelfuse
Figure 1
Figure 2
Voltage
(300)
Special Purpose Fuses
Style
Ampere Rating
Mounting Type
Hockey Puck, bolt-in
Dimensions
Amperes
700 – 800
1000 – 1200
1500 – 2000
Mount.
Type
128
128
128
Fig.
No.
1
2
2
Dimensions in Inches (mm in parentheses)
A
4.00
(102)
4.00
(102)
4.00
(102)
B
3.00
(76.2)
3.50
(88.9)
4.50
(114)
C
3.75
(95.3)
3.75
(95.3)
3.75
(95.3)
D
2.50
(63.5)
3.00
(76.2)
3.75
(95.3)
E
1.50
(38.1)
1.50
(38.1)
1.50
(38.1)
Dimensions for reference only.
F
-
1.50
(38.1)
1.50
(38.1)
3 8
Tap
⁄ -24-
1
⁄
2
deep
3 8
⁄ -24-
1
⁄
2
deep
12
⁄ -20-
1
⁄
2
deep
Specifications
Voltage Rating:
Interrupting Rating:
Ampere Range:
Approvals:
AC: 600 volts
AC: 100,000 Amperes
700 – 2000 Amperes
UL Recognized under the components program.
Ampere Ratings
700
800
1000
1200
1500
1600
1800
2000
Contact Littelfuse for technical information.
© 2005 Littelfuse
•
POWR-GARD
™
Products Catalog
www.littelfuse.com
95
Embedded System
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