BS 7071:1989
$167.15
Specification for portable residual current devices
Published By | Publication Date | Number of Pages |
BSI | 1989 | 35 |
Rating, design, construction and testing for devices having a rated voltage not exceeding 250 V single phase a.c, a rated current not exceeding 16 A, a rated frequency not exceeding 400 Hz and a rated residual operating current not exceeding 30 mA.