BS 4794-2 Sections 2.3 and 2.4:1977
$86.31
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.) – Contactor relays. Pilot switches
Published By | Publication Date | Number of Pages |
BSI | 1977 | 8 |
Additional specific requirements for contactor relays and pilot switches (pressure switches, level switches, time switches, thermostats, etc).