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400E2C5.5 Datasheet(PDF) 2 Page - Littelfuse

Part No. 400E2C5.5
Description  MEDIUM VOLTAGE FUSES
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Manufacturer  LITTELFUSE [Littelfuse]
Direct Link  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

400E2C5.5 Datasheet(HTML) 2 Page - Littelfuse

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POWR-GARD® Fuse Datasheet
littelfuse.com
© 2014 Littelfuse POWR-GARD® Products
Rev: 063014
2 of 10
Description
R-rated fuses provide required short-circuit protection for
medium voltage motors, motor controllers and associated
circuitry.These components have limited ability to absorb the
energy of large short-circuit currents. Medium voltage motor
controllers contain overload relays which provide both overload
protection and locked rotor protection to the motor.The
controllers are also intended to interrupt low value short-circuits
within the capability of the motor controller.This protects the
medium voltage fuse from sustained overcurrents which are
less than their minimum interrupting rating.
NEMA Standards for R-rated medium voltage power fuses
require they operate within 15-35 seconds when subjected
to an rms current 100 times the R rating. For example, a
fuse with a 2R rating will open within 15 to 35 seconds on
an applied current of 2 x 100 = 200 amperes.
Ordering Number
3"DIA
Dim.A
Clip
Center
6.38"
Dim.B
9.75"
A
D
DD
DDD
Figure 1
Figure 2
Figure 3
Hookeye Feature*
For hookeye attachment; add “W” suffix
to part number
*See web for Bolt Mount, Inverted Bolt Mount, and Bolt-In dimensions
Max Voltage (KV)
Style:
C (Cartridge)
B (Bolt Mount)
IB (Inverted Bolt Mount)
BI (Bolt-In Mount)
No. of Barrels
Rating (size)
Continuous Current
Characteristics
Voltage Ratings
2,750 V – 8,250 V
Current Range
2R – 36R
Options
• Hermetically sealed for use in hazardous locations
(add “S” suffix to part number)
• Bolt-in mounting configurations
Bolt Mount “B”
Sample Part #: 130-4R-1B-5.5
Inverted-Bolt “IB”
Sample Part #: 130-4R-1IB-5.5
Bolt-In Mount “BI”
Sample Part #: 130-4R-1BI-5.5
Cartridge “C”
Dimensions
Medium Voltage
Fuse Protection
POWR-GARD® medium
voltage fuses provide
short-circuit protection
for motors and
transformers rated
2,400 to 38,000 volts AC.
Visit littelfuse.com/MediumVoltage to
download the white paper featuring protection
tables, sizing recommendations, and applications.
130-4R-1C-5.5
R-RATED MEDIUM VOLTAGE FUSES


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