Description
Specifies the design and test requirements for explosion-protected three-phase restrained plugs and receptacles incorporating three power contacts, one pilot contact and possibly one or more auxiliary contacts, an earth contact and an earthed phase barrier intended for use with restricted earth-fault systems in mines and quarries with a working voltage up to and including 3.3 kV. Provision is also made for restrained back-to-back receptacles, which enable lengths of cable to be coupled together.
Product Details
- Published:
- 01/01/2009
- File Size:
- 1 file , 1.1 MB
