This standard specifies the basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage requirements of electric motors for household washing machines. This standard applies to capacitor operated asynchronous motors (hereinafter referred to as motors) for household washing machines (washing machines, washing dehydration machines, dehydration machines). This standard is not applicable to motors for washing machines with special requirements in industries, commerce, and other fields The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 191-2008 Packaging, Storage, and Transportation Graphical Symbols GB 755 Rotating Electrical Machines, Rating and Performance GB 1971 Rotating Electrical Machines - Line End Marking and Direction of Rotation GB/T 1993-1993 Cooling Methods for Rotating Electrical Machines GB/T2423.3-2006 Environmental Testing of Electrical and Electronic Products - Part 2: Test Methods, Test Cabs: Constant Damp Heat Test (IEC60068-2-78:2001, IDT) GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Counting (Applicable to the Inspection of Process Stability) GB 4706.1-2005 Safety of Household and Similar Electrical Appliances - Part I: General Requirements GB/T4772.1-1999 Dimensions and Output Power Levels of Rotating Electrical Machines - Part 1: Protection Degrees for Frame Numbers 56-400 and Flange Numbers 55-1080 GB/T 4942.1-2006 Overall Structure of Rotating Electrical Machines (IP Code) Classification GB/T 5171 General Technical Conditions for Small Power Electric Motors GB/T 9651 Test Methods for Single-phase Asynchronous Motors GB/T 10069.1 Measurement Methods and Limits of Noise from Rotating Electrical Machines GB/T 12350-2009 Safety Requirements for Small Power Electric Machines GB/T 22719.1 Stray Winding Interturn Insulation of AC Low Voltage Motors GB/T 22719.2 Test Methods GB/T 22719.2 Stray Winding Interturn Insulation of AC Low Voltage Motors Part 2: Test Limits 3 Determination Unless otherwise agreed upon by the manufacturer and the user, the working system and rating of the motor shall be manufactured as follows: - Motors for washing machines and washing dehydration machines shall be S1 working system and continuously rated—— The motor used for the dehydrator is S2 working system, with a 15 minute rating (S2-15 minutes). 3.2 The rated output power of a rated output motor is as follows (in W): 25, (30), 40, (45), 60, 90, 120, (135), 180, 250. Note: The values in parentheses are not recommended. 3.3 Rated voltage, frequency and speed: The rated voltage of the motor is 220 V, the rated frequency is 50 Hz, and the synchronous speed of the motor is l 500 r/min. 3.4 Housing protection: The housing protection level of electric motors shall comply with the IPOO specified in GB/T 4942.1-2006
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