Specification for 200 A 1100 V flameproof restrained and bolted plugs and sockets for use in coal mines
This British Standard specifies the constructional and test requirements for 200 A flameproof restrained and bolted plugs, sockets and plug coupling units suitable for single voltages of 650 V and 1 100 V and dual voltage of 650/1 100 V. They are primarily intended for use with mining apparatus which is connected to its power supply by means of a flexible cable.
Three types are covered and designated as:
Type 1 and 2 configurations are not interchangeable.
The plugs, sockets and plug coupling units incorporate three power contacts, a pilot contact for electrical interlocking and a scraping earth contact. The dual voltage plugs and sockets are intended for use either on a 650 V or 1 100 V supply, the appropriate arrangements including selection of voltage by orientation of insulator and pins to ensure non-interchangeability for other than the appropriate voltage.
In addition to the definitive requirements, this standard also requires the items detailed in clause 3 to be documented. For compliance with this standard, both the definitive requirements and the documented items have to be satisfied.
NOTE The figures in this standard show only those features and dimensions essential for function interchangeability.
| SDO | BSI: British Standards Institution |
| Document Number | 5620 |
| Publication Date | Feb. 15, 1995 |
| Language | en - English |
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| Revision Level | |
| Supercedes | |
| Committee | B/513/2 |