What is IS 4250?
IS 4250 is Indian standard, which covers the testing of Domestic used electric motor driven food-mixers and Grinders. Multipurpose machines used with certain accessories also covered by this standard.
Food Mixers and grinders can be found in nearly every Kitchen. Food mixer & Grinders are motorized small appliance. They are used especially to blend fruits, food ingredients etc.
Following are the test as per IS 4250:-
|S.No.||Clause No||Tittle of Test|
|1.||8||Protection against electric shock|
|5.||13||Electrical insulation & Leakage current at operating temperature|
|7.||16||Insulation resistance and Electric strength|
|10.||20||Stability and Mechanical hazards|
|12.||25||Supply connections and external flexible cables and cords|
|13.||27||Provision for Earthing|
|14.||28||Screws and connections|
|15.||29||Creepage distances, Clearance and distance through insulation|
|16.||30||Resistance to heat, fire and tracking|
|18.||35||Temperature withstand test for bowl|
|19.||36||Test for controls|
|20.||37||Strength of assembly|