IS 10406-1983
Specification for intrinsically safe transformers primarily used in alarm signaling circuits

Standard No.

IS 10406-1983

Release Date

1983

Published By

IN-BIS

Latest

IS 10406-1983

Scope

1.1 This standard applies to single-phase, double-wound transformers, intended primarily for supplying current to those bell-signalling circuits in coal mines and in other industries where an explosion hazard may exist, which are required to be intrinsically safe, in accordance with the definition of the term contained in IS : 5780-1980〓.

IS 10406-1983 history

• 1983 IS 10406-1983 Specification for intrinsically safe transformers primarily used in alarm signaling circuits