IS 5834 : Part 2 : 1993 Electrical Timer Relays for Industrial Purposes - Specification - Part 2 : Motorized

1 Scope

1.1 This standard (Part 2) covers motorized timer relaysemployed for providing steplessly adjustable time delay to controlvarious types of industrial circuits of nominal system voltage notexceeding 650 V.

2 References

IS 1271 :1985Thermal evaluation and classification ofelectrical insulation

IS 1885 : Part 9 :1986 Electrotechnical vocabulary :Part 9 Electrical relays

IS 2147 :1962Degrees of protection provided by enclosures forlow voltage switchgear and controlgear