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BBU38-3K

Description
FAST BLOW ELECTRIC FUSE, 3A, 38000VAC, 38000A (IR), INLINE/HOLDER
CategoryCircuit protection    Circuit protection   
File Size980KB,13 Pages
ManufacturerEaton
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BBU38-3K Overview

FAST BLOW ELECTRIC FUSE, 3A, 38000VAC, 38000A (IR), INLINE/HOLDER

BBU38-3K Parametric

Parameter NameAttribute value
MakerEaton
Reach Compliance Codeunknown
Fusing characteristicsFAST
body height28.76 mm
Body length or diameter1.24 mm
Built-in featuresINDICATOR
Circuit protection typeELECTRIC FUSE
Manufacturer's serial numberBBU
Installation featuresINLINE/HOLDER
physical size1.24mm x 28.76mm
Rated breaking capacity38000 A
Rated current3 A
Rated voltage (AC)38000 V
surface mountNO
Terminal shapeEND CAP
Bussmann
®
Boric Acid Fuses
Medium Voltage
BBU
General
• The BBU power fuse is a Boric Acid, expulsion style
fuse unit.
• Provides a low initial cost alternative to refillable fuses
in indoor applications.
• Utilizes calibrated silver elements, boric acid for its inter-
rupting media, and a spring & rod mechanism.
• The housing is a fiberglass reinforced resin tube with plated
copper contacts.
• Available in 3 maximum voltage classes:
17kV, 27kV & 38kV
• Available in 3 speed variations:
E (Standard) SE (Slow E) & K (Fast)
• Visual Indicating with use of end fittings.
• End Fittings:
• End fittings are required to complete the electrical
connection between the fuse unit and the live parts
and mounting.
• The indoor fittings accept a Muffler attachment to
limit noise and contamination to indoor equipment.
The open fuse indicator located on the top end fit-
ting provides visual indication on a faulted fuse unit.
Catalog Symbol:
BBU
Medium Voltage Expulsion Fuse
Fuse Class:
E (Standard), SE (Slow E) & K (Fast)
Voltage Rating:
17kV, 27kV & 38kV
Interrupting Ratings:
17kV - 14kA
27kV - 12.5kA
38kV - 10kA
Boric Acid, expulsion style fuses meet:
• ANSI C37.40 – Service Conditions and Definitions
• ANSI C37.41 – Power Fuse Design and Testing
• ANSI C37.42 – Distribution Fuse Ratings and Specifications
• ANSI C37.46 – Power Fuse Ratings and Specifications
• ANSI C37.48 – Power Fuse Application, Operations and
Maintenance
Applications
The BBU Boric Acid fuse provides effective protection for cir-
cuits and equipment which operate on voltage systems up to
34,500V. Typical usage is on industrial distribution systems for:
• Power Transformers
• Feeder Circuits
• Distribution Transformers
• Metal Enclosed Switchgear
• Pad Mounted Switches
5-30-02
SB02199
Form No. BBU
Page 1 of 13
Data Sheet: 1123
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