BS 4417:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for semiconductor rectifier equipments
Hardcopy , PDF
15-05-1993
English
28-02-1969
Applicable to rectifier assemblies, transformers, or complete equipments for use on a.c. supplies of 15 Hz to 2000 Hz and having a maximum d.c. output voltage of 5000 V. Gives details of service conditions, rating classes, temperature rises, methods of test and proposals for guarantees and acceptance tolerances.
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.