JB/T 8681-1998
Technical specifications for YDT series (IP44) pole changing multispeed three-phase asynchronous motors (Frame size 80-315) (English Version)

Standard No.

JB/T 8681-1998

Language

Chinese, Available in English version

Release Date

1998

Published By

Professional Standard - Machinery

Status

Be replaced 2014-07

Replace By

JB/T 8681-2013

Latest

JB/T 8681-2022

Scope

This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules of YDT series (IP44) pole-changing multi-speed motors, as well as marking, packaging and warranty period requirements. This standard applies to YDT series (IP44) pole-changing multi-speed three-phase asynchronous motors (frame size 80 ~ 315).

JB/T 8681-1998 history

• 2022 JB/T 8681-2022 YDT series (IP54) pole-changing multi-speed three-phase asynchronous motor technical specifications (frame size 80 ~ 355)
• 2013 JB/T 8681-2013 Specification for YDT series (IP44) change-pole multi-speed three-phase induction motor (frame size 80~315)
• 1998 JB/T 8681-1998 Technical specifications for YDT series (IP44) pole changing multispeed three-phase asynchronous motors (Frame size 80-315)