Standard No.:	JB/T 5269-2007
English Name:	Specification for YR3 series (IP23) Three-phase Asynchronous Motor (frame size 160~355)
Chinese Name:	YR3系列(IP23)三相异步电动机 技术条件（机座号160~355)
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:	2007-5-29
Implemented on:	2007-11-1
Status:	superseded
Superseded by:	JB/T 5269-2018 Specification for YR3 series (IP23) three-phase asynchronous motor (frame size 160～400)
Superseded on:	2019-10-1
Superseding:	JB/T 5270-1991
Language:	English
File Format:	PDF
Word Count:	4500 words
Price(USD):	110.0
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 YR3 series (IP23) three-phase asynchronous motor. This standard is applicable to YR3 series (IP23) three-phase asynchronous motor (frame size 160~355) (hereinafter referred to as "motor"), and all other series motors derived from YR3 series (IP23) three-phase asynchronous motor may also refer. 2 Normative Reference The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties coming to an agreement based on this standard are encouraged to investigate whether the most recent editions of the standards indicated below apply. For undated references, the latest editions of the normative documents referred to apply. GB/T 191-2000 Packaging - Pictorial Marking for Handling of Goods (eqv ISO 780: 1997) GB 755-2000 Rotating Electrical Machines - Rating and Performance (idt IEC 60034-1: 1996) GB/T 997-2003 Classification of Types of Construction and Mounting Arrangements for Rotating Electrical Machines (IM Code) (IEC 60034-7: 1992, IDT) GB/T 1032-2005 Test Procedure for Three-phase Induction Motors GB/T 1993-1993 Cooling Methods for Rotating Electrical Machines (idt IEC 60034-6: 1991) 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 (idt IEC 60072-1: 1991) GB/T 4942.1-2006 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP Code) - Classification (IEC 60034-5: 2000, IDT) GB 10068-2000 Mechanical Vibration of Certain Machines with Shaft Heights 56mm and Higher - Measurement, Evaluation and Limits of Vibration Severity (idt IEC: 60034-14: 1996) GB/T 10069.1-2006 Measurement of The Airborne Noise Emitted by Rotating Electrical Machinery and the Noise Limits - Part 1: Method for the Measurement of Airborne Noise Emitted by Rotating Electrical Machines (ISO 1680: 1999, MOD) GB/T 12665-1990 Requirements of Damp-heat Testing of Electrical Machine for Service in General Environment Condition GB 14711-2006 Safety Requirements of Small and Medium Size Rotating Electrical Machines JB/T 5811-2007 Test Method and Limits of Form-wound Winding for Alternating Current Low-voltage Electrical Machines JB/T 9615.1-2000 Test Methods of the Interturn Insulation on Random Wound Winding for AC Low-voltage Machines JB/T 9615.2-2000 Test Limits of the Interturn Insulation on Random Wound Winding for AC Low-voltage Machines 3 Types, Basic Parameters and Dimensions 3.1 Enclosure protection level of motor is IP23 (as specified in GB/T 4942.1). 3.2 The method for cooling motor is IC01 (as specified in GB/T 1993). 3.3 Construction and mounting types of motor are IM B3 (as specified in GB/T 997). 3.4 Rating of the motor is continuous based on continuous duty system (S1). 3.5 Rated frequency and voltage of motor are respectively 50Hz and 380V. Stator windings are delta-connected and rotor windings are wye-connected. 3.6 Motors shall be manufactured according to the following rated powers: 4kW, 5.5kW, 7.5kW, 11kW, 15kW, 18.5 kW, 22kW, 30kW, 37kW, 45kW, 55kW, 75 kW, 90kW, 110kW, 132kW, 160kW, 185kW, 200kW, 220kW, 250kW, 280kW, 315kW, 355kW.

Contents Foreword I 1 Scope 2 Normative Reference 3 Types, Basic Parameters and Dimensions 4 Technical Requirements 5 Inspection Rules 6 Marking, Packaging and Warranty Period Figure 1 Motor with Foot on Frame and No Flange on End Cover (H160~280) Figure 2 Motor with Foot on Frame and No Flange on End Cover (H315~355)