ANSI C37.44 : 1981

1. Scope
2. Rating
2.1 Rating Information
2.2 Rated Continuous Current
2.3 Overload and Thermal Ratings
2.4 Rated Voltages
2.5 Rated Frequency
2.6 Rated Interrupting Current for Distribution Oil Fuse
     Cutouts
2.7 Rated Load-Break Current of Distribution Oil Cutouts
2.8 Basic Impulse Insulation Level (BIL) of Distribution
     Oil Cutouts
2.9 Rated Making Current (Making Current Rating) of
     Distribution Oil Cutouts
2.10 Rated Short-Time Currents of Distribution Oil
     Cutouts
3. Interchangeability Requirements
3.1 Electrical Interchangeability
3.2 Mechanical Interchangeability
4. Design Test Requirements
4.1 Dielectric Tests
4.2 Interrupting Tests
4.3 Load-Break Tests
4.4 Making Current Tests
4.5 Radio-Influence Tests
4.6 Short-Time Current Tests for Disconnecting Cutouts
4.7 Temperature-Rise Limitations
4.8 Time-Current Tests for Fuse Links
5. Conformance Tests for Distribution Oil Cutouts
6. Nameplate Marking
6.1 Distribution Oil Cutouts
6.2 Fuse Links
6.3 Shipping Container for Fuse Links
7. Application Requirements
7.1 Basis for Selection of Rated Voltage of Distribution
     Oil Cutouts
7.2 Guide for Selection of Rated Voltage of Distribution
     Oil Cutouts
7.3 Coordination Factor for Operating Variables
7.4 Coordination Charts
8. Revision of American National Standards Referred to
     in This Document
Tables
1. Rated Symmetrical Interrupting Currents
2. Rated Short-Time Currents
3. Line-to-Ground Dielectric Test Voltages
4. Limits of Radio-Influence Voltage

Applies to high voltage fuses (above 600 volts) and accessories for alternating current distribution systems as follows: (1) Distribution oil cutouts (2) Fuse housings, fuse supports, fuse mountings, and fuse links used exclusively with (1). (3) Removable switch blades for (1).