IS 9051 : 2023 Rheostats - Specification
1 SCOPE
1.1 This standard covers requirements and tests for various types of continuously rated rheostats required for regulating the field current of rotating electrical machines and rheostats used for similar other electrical purposes.
1.2 This standard does not cover the rheostats where a.c. characteristics are of critical importance (see foreword).
2 REFERENCES
The standards given below contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards:
| IS No. | Title |
| IS 9000-16 : 1983 | Basic environmental testing procedures for electronic and electrical items: Part 16 Driving rain test |
| IS/IEC 60068-2- 17 : 1994 | Basic environmental testing procedures: Part 2 Tests, Section 17 Test Q: sealing |
| IS/IEC 60079-1 : 2014 | Explosive atmospheres: Part 1 Equipment protection by flameproof enclosures "d" |
| IS 4905 : 2015/ISO 24153 : 2009 | Random sampling and randomization procedures (first revision) |