JB/T 5270-1991
Technical conditions of YR series (IP23) three-phase asynchronous motor (frame size 315~355) (English Version)

Standard No.

JB/T 5270-1991

Language

Chinese, Available in English version

Published By

Professional Standard - Machinery

Status

Be replaced 2007-11

Replace By

JB/T 5269-2007

Latest

JB/T 5269-2018

Scope

This standard specifies the type, basic parameters and dimensions, technical requirements, inspection rules, standard additions and packaging of electric motors. This standard applies to YR series (IP23) general-purpose three-phase asynchronous motors with wound rotors of frame numbers 315 and 355, and all varieties derived from this series. You can also refer to the implementation.

JB/T 5270-1991 history

• 2018 JB/T 5269-2018 YR3 series (IP23) three-phase asynchronous motor technical conditions (frame size 160 ~ 400)
• 2007 JB/T 5269-2007 Specification for YR3 series (IP23) three-phase asynchronous motor.(frame size 160～355)
• 1970 JB/T 5270-1991 Technical conditions of YR series (IP23) three-phase asynchronous motor (frame size 315~355)

JB/T 5270-1991 Technical conditions of YR series (IP23) three-phase asynchronous motor (frame size 315~355) was changed to JB/T 5269-2007 Specification for YR3 series (IP23) three-phase asynchronous motor.(frame size 160～355).