BS 4794-1:1979:1982 Edition
$142.49
Specification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.) – General requirements
Published By | Publication Date | Number of Pages |
BSI | 1982 | 28 |
General requirements for control switches (e.g. push-buttons, rotary switches, foot switches, contactor relays, pressure switches, thermostats, programmers, limit switches) used in control circuits or auxiliary circuits of switchgear and contgrolgear. Includes requirements for control switches having a positive opening operation.