Standard No.:	JB/T 7127-2010
English Name:	Specification for YD series(IP44) change-pole multi-speed three-phase induction motor(frame size 80~280)
Chinese Name:	YD系列（IP44）变极多速三相异步电动机 技术条件（机座号80～280）
Chinese Classification:	K22    Asynchronous machine
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	29.160.30 29.160.30    Motors 29.160.30
Issued by:	NDRC
Issued on:	2010-2-11
Implemented on:	2010-7-1
Status:	superseded
Superseded by:	JB/T 7127-2022 Specification for YD series (IP54) change-pole multi-speed three-phase induction motors (frame size 63~315)
Superseded on:	2023-4-1
Superseding:	JB/T 7127-1993 Technical specifications for YD series (IP44) pole changing multispeed three-phase asynchronous motors (Frame size 80-280)
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	130.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the types, basic parameters and dimensions, technical requirements, inspection rules, and requirements for marking, packaging and warranty period of YD series (IP44) change-pole multi-speed three-phase induction motor. This standard is applicable to YD series (IP44) change-pole multi-speed three-phase induction motor (frame size 80~280) (hereinafter referred to as the motor). All the series of motors derived from this series motor can be implemented by reference.

Contents Foreword I 1 Scope 2 Normative References 3 Types, Basic Parameters and Dimensions 4 Technical Requirements 5 Inspection Rules 6 Marking, Packaging and Warranty Period