MT/T 154.2-2019 in English

The model designation of electromechanical product for coal mine — Part 2: The model designation of electric product

1 Scope

This standard specifies the principle, composition, sequence and designation method of the model of electromechanical product for coal mine (hereinafter referred to as products).

This standard is applicable to the electrical equipment for coal mines.

This standard is not applicable to the model designation of miner’s lamps, charging racks and luminaires.

2 Normative reference

The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendment) applies.

MT/T 154.1-2011 The model designation of electromechanical product for coal mine — Part 1: Directive

3 Designation principles

3.1 The naming of product models shall be simple and clear.

3.2 The product model shall be composed of the capitalized Chinese Pinyin (phonetic alphabet) and Arabic numerals.

3.3 Generally, the first letter of the Chinese Pinyin of a Chinese character representing the meaning of each phrase in the product name is used.

3.4 If the model designated according to 3.3 is repeated or cannot be used due to other factors, the Chinese phonetic alphabet of other Chinese characters in the phrase may be used; 2 letters may be used if necessary.

3.5 The product model shall represent one product only, without being confused or repeated with other product models.

3.6 The model designation of this standard shall comply with the requirements of MT/T 154.1-2011.

4 Composition and sequence

4.1 Composition of product model

The product model is mainly composed of “product model code”, “first feature code”, “design serial number” and “main parameter”. The “second feature code”, “supplementary feature code” and “number of amendment” may be added one by one if it is still indistinguishable.

4.2 Sequence of product model

Foreword i
1 Scope
2 Normative reference
3 Designation principles
4 Composition and sequence
5 Designation methods
6 Other requirements
7 Model designation examples