IEEE DRAFT C37.48 : D5 NOV 96
Superseded
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GUIDE FOR APPLICATION, OPERATION AND MAINTENANCE OF HIGH-VOLTAGE FUSES, DISTRIBUTION ENCLOSED SINGLE-POLE AIR SWITCHES, FUSE DISCONNECTING SWITCHES, AND ACCESSORIES
02-02-1998
01-12-2013
1 Overview
1.1 General Scope
1.2 Description of Fuse Enclosure Packages (FEP)
Using Expulsion Type Indoor Power Class Fuses
1.3 Description of Fuse Enclosure Packages (FEP)
Using Current-Limiting Type Indoor Distribution
and Power Class Fuses
2 References
2.1 Referenced American National Standards
2.2 Other Referenced Standards
3 General Application Guidelines for all Fuse Types
3.1 Introduction
3.2 Service conditions
3.3 Selection of class and type of fuse
3.4 Clearances and Spacing
3.5 Fuse Position
3.6 Noise Level
3.7 Selection of Fuse Voltage Rating (See clauses
4.4.2.2. and 4.4.3.2 for specific guidelines
for Voltage Rating Selection for Capacitor
Fuses)
3.8 Selection of Continuous Current Rating (All
Applications Except Capacitor Fuses and Fuses
Used In Enclosures - see clauses 4.2, 4.3 and
4.4)
3.9 Selection of Interrupting Rating
3.10 Fuse Coordination Procedure
3.11 Coordination for Motor Starter Fuses
4 Additional Application Guidelines for Specific
Devices
4.1 Current Limiting Fuses
4.2 Current Limiting Fuses Used in Fuse Enclosure
Packages
4.3 Expulsion Fuses in Enclosures
4.4 External Fuses for Shunt Capacitors
Figure 1 - An example of capacitor case rupture curve
characteristics
5 Operation Guidelines for Various Fuse Types
5.1 Use of Nonexpendable Cap on Expendable-Cap
Cutouts
5.2 Operating Speed
5.3 Locking or Latching of Fuses, Blades or Links
Closed Position
5.4 Fuseholder Position
5.5 Voltage Withstand of Blown Fuses
5.6 Replacement and Handling of Fuses
5.7 Replacement of Exhaust Control Device
5.8 Operation of Energized Fuses
5.9 Storing Spare Fuse Units and Replaceable Parts
6 Additional Operation Guidelines for Specific Devices
6.1 Capacitor Fuses
6.2 Liquid-Submerged Expulsion Fuses in Enclosures
7 Maintenance For All Fuse Types
7.1 Safety Precautions
7.2 Frequency of Maintenance
7.3 Inspection of Fuse or Switching Device
7.4 Inspection of Fuse Links in Distribution
Cutouts
8 Additional Maintenance Guidelines for Specific
Devices
8.1 Capacitor Fuses
8.2 Liquid-Submerged Expulsion Fuses in Enclosures
8.3 Distribution Oil Cutouts
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