IS 2312 : 1967 Specification for Propeller Type ac Ventilating Fans

UDC 621.63                                                   ETD5

Reaffirmed 2020

1 Scope

1.1 This standard covers ac single-or three-phase propeller type ventilating fans, such as exhaust fans, wall fans, window fans, gable-end fans, port-hole fans, bulk-head fans, kitchen fans and dark room fans for use at voltages not exceeding 250 V single-phase or 440 V three-phase and their associated speed regulators, if any. It does not cover indirectly driven fans.

2 References

IS 2 : 1960 Rules for rounding off numerical values

IS 374 : 1966 Electric ceiling type fans and regulators

IS 555 : 1960 Electric table type fans and regulators

IS 585 : 1962 Voltages and frequency for ac transmission and distribution systems

IS 648 : 1962 Specification for steel sheets for magnetic circuits of power electrical apparatus

IS 649 : 1963 Methods of testing steel sheets for magnetic circuits of power electrical apparatus

IS 1169 : 1957 Pedestal type electric fans

IS 1248 : 1958 Specification for electrical indicating instruments

IS 1271 : 1958 Classification of insulating materials for electrical machinery and apparatus in relation to their thermal stability in service

IS 1401 : 1959 Specification for accessibility test probes

IS 1709 : 1960 Fixed capacitors for fans

IS 2997 : 1964 Air circulator type electric fans and regulators

IS 3024 : 1965 Specification for electrical steel sheets

IS 3588 : 1966 Electric axial flow fans

IS 3963 : 1966 Roof extractor units

This Standard has Eight Amendments.

Amendment 1, 2, 3, 4, 5 and 6 is Incorporated.

Amendment 7 and 8 is Added.