ANSI C57.12.25 : 1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
TRANSFORMERS - PAD-MOUNTED, COMPARTMENTAL-TYPE, SELF-COOLED, SINGLE-PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS; HIGH VOLTAGE, 34 500 GRDY/19 920 VOLTS AND BELOW; LOW VOLTAGE, 240/120 VOLTS; 167 KVA AND SMALLER - REQUIREMENTS
10-18-2023
01-01-1990
1 Scope
2 Normative references
2.1 General
3 Ratings
3.1 Kilovolt-ampere ratings
3.2 Voltage ratings and tap ratings
4 Basic lightning Impulse insulation levels and dielectric
test levels
5 Tests
5.1 General
5.2 Dielectric tests
6 Construction
6.1 General
6.2 Connectors and terminals
6.3 High-voltage and low-voltage compartment
6.4 Instruction nameplate
6.5 Oil preservation
6.6 Tanks
6.7 Components for looped primary cable systems
7 Storage and Installation
7.1 Storage
7.2 Installation
8 Other requirements that may be specified for some applications
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