Standard No.:	GB/T 12974.1-2023
English Name:	General specification for a.c. lift motor—Part 1: Three-phase asynchronous motor
Chinese Name:	交流电梯电动机通用技术条件 第1部分：三相异步电动机
Chinese Classification:	K22    Asynchronous machine
Professional Classification:	GB    National Standard
ICS Classification:	29.160.30 29.160.30    Motors 29.160.30
Issued by:	SAMR; SAC
Issued on:	2023-9-7
Implemented on:	2024-4-1
Status:	valid
Superseding:	GB/T 12974-2012 General specification for a.c.lift motor
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	240.0
Delivery:	via email in 1~3 business day

General specification for a.c. lift motor - Part 1: Three-phase asynchronous motor 1 Scope This document specifies the types, basic parameters and basic parameters, general requirements, technical requirements, inspection rules, marking, packaging, and warranty requirements of three-phase asynchronous motor for elevators, and describes the corresponding test methods. This document is applicable to the manufacturing of three-phase asynchronous motors for various passenger elevators, cargo elevators, medical elevators, and household elevators. It may serve as a reference for the manufacturing of various series of motors derived from this series of motors. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191-2008 Packaging - Pictorial markings for handling of goods GB/T 755-2019 Rotating electrical machines - Rating and performance GB/T 997-2022 Rotating electrical machines - Classification of types of construction, mounting arrangements and terminal box position for (IM Code) GB/T 1032-2012 Test procedures for three-phase induction motors GB/T 1971-2021 Rotating electrical machines - Terminal markings and direction of rotation GB/T 1993-1993 Cooling methods for rotating electrical machines GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080 GB/T 4942-2021 Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification GB/T 10068-2020 Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity GB/T 10069.1-2006 Measurement of the airborne noise emitted by rotating electrical machines and the noise limits - Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines GB/T 12665-2017 Requirements of damp-heat testing of electrical machine for service in general environmental condition GB/T 14711 General requirements for safety of small and medium size rotating electrical machines GB/T 22719.1-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 1: Test methods GB/T 22719.2-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 2: Test limits 3 Terms and definitions No terms and definitions are listed in this document. 4 Type, basic parameters and dimensions 4.1 Types 4.1.1 The ingress protection for enclosure of three-phase asynchronous motor (hereinafter referred to as motors) for elevators is IP00, IP20, IP21 or IP41 according to the requirements of GB/T 4942-2021.

Foreword i Introduction ii 1 Scope 2 Normative references 3 Terms and definitions 4 Type, basic parameters and dimensions 5 General requirements 6 Technical requirements 7 Test methods 8 Inspection rules 9 Marking, packaging and warranty period