BS 764:1954

Specification. Automatic change-over contactors for emergency lighting systems

BSI Group , 06/12/1974

Publisher: BS

File Format: PDF

$132.00$264.16

Description

Standard By:BSI Group , 06/12/1974

Published:06/12/1974

ISBN(s):0580012018

Language:English

Note:This product is unavailable in Ukraine, Russia, Belarus

Contactors which automatically transfer circuits from the normal source of supply to an alternative source when the normal source fails; reconnection is automatic when normal conditions are restored. Performance and constructional details of double-pole contactors for low voltages; range of standard current ratings.