标准编号:	JB/T 8972-2011
中文名称:	YA、YA-W、YA-WF1系列增安型三相异步电动机（机座号315～450）技术条件
英文名称:	Specification of series YA， YA-W and YA-WF1 increased-safety three-phase asynchronous motor（frame size 315 to 450）
中标分类:	K25    防爆电机
行业分类:	JB    机械行业标准
ICS分类:	29.260.20 29.260.20    易爆环境用电气设备 29.260.20
发布机构:	工业和信息化部
发布日期:	2011-12-20
实施日期:	2012-4-1
标准状态:	现行
替代旧标准:	JB/T 8972-1999
翻译语言:	英文
文件格式:	PDF
中文字符数:	15000 字
翻译价格(元):	840.00 元
交付时间:	付款后 1 个工作日

1 Scope



This standard specifies types, basic parameters and dimensions, technical requirements, test methods and inspection rules and requirements for marking, packaging and warranty period of series YA, YA-W and YA-WF1 increased-safety three-phase asynchronous motor.

This standard is applicable to series YA, YA-W and YA-WF1 increased-safety three-phase asynchronous motor (hereinafter referred to as motor) and used by motors derived from this series for reference.

Contents
Foreword I
1 Scope
2 Normative References
3 Types, Basic Parameters and Dimensions
4 Technical Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging and Warranty Period
Appendix A (Normative) Calculation of tE of Increased-safety Three-phase Asynchronous Motor