Standard No.:	JB/T 7565.1-2011
English Name:	Specification of flameproof three-phase asynchronous motor —Part 1：Series YB3 flameproof three-phase asynchronous motor（Frame size 63 to 355）
Chinese Name:	隔爆型三相异步电动机技术条件 第1部分：YB3系列隔爆型三相异步电动机
Chinese Classification:	K25    Explosion-proof electric machine
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	29.260.20 29.260.20    Electrical apparatus for explosive atmospheres 29.260.20
Issued by:	MIIT
Issued on:	2011-12-20
Implemented on:	2012-4-1
Status:	valid
Superseding:	JB/T 7565.1-2004 Specification of flameproof three phases asynchronous motor Part 1:Series YB2 flameproof Three phases asynchronous motor (Frame size 63 to 355)
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	150.0
Delivery:	via email in 1 business day

1 Scope This part specifies Series YB3 flameproof three-phase asynchronous motor in terms of types, basic parameters and dimensions, technical requirements, test methods and inspection rules and the requirements for marking and packaging. This standard is applicable to series YB 3 flameproof three phase asynchronous motor (frame size 63~355) (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 and Inspection Rules 6 Marking and Packaging

* GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods
* GB 755-2008 Rotating Electrical Machines - Rating and Performance
* GB/T 755.2-2003 Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles)
* GB/T 997-2008 Rotating Electrical Machines—Classification of Types of Construction, Mounting Arrangements and Terminal Box Position (IM Code)
* GB/T 1032-2005 Test procedures for three-phase induction motors
* GB 1971-2006 Rotating Electrical Machines - Terminal Markings and Direction of Rotation
* GB/T 1993-93 Cooling methods for rotating electrical machines
* GB/T 2423.4-2008 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat，cyclic ( 12h+12h cycle)
* GB 3836.1-3000
* GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures“d”
* 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 1 080
* GB/T 4942.1-2006 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machined (IP Code)-Classification
* GB 10068-2008 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 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 12665-2008 Requirements of damp-heat testing of electrical machine for service in general environmental condition
* GB 14711-2006 Safety Requirements of Small and Medium Size Rotating Electrical Machines
* GB 18613-2006 Minimum Allowable Values of Energy Efficiency and the Energy Efficiency Grades for Small and Medium Three-phase Asynchronous Motors
* GB/T 22719.1-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 1: Test methods