FOSHAN VASTRENGTH: SPECIALIZED IN COMPONENTS FOR HOUSEHOLD & KITCHEN APPLIANCE

Technical requirements & Test methods of Heating Element

It includes many aspects provisions on the technical requirements of standard., and, the requirements for product safety performance are that heating pipes cold electric strength
should not occur flashover and breakdown, ,and leakage current should not exceed 5mA In the basic sine wave voltage 1500V lasted 1min; the leakage  of current electric tube shall not exceed 3mA under normal operating conditions, heater input power should be at rated power 90 % to 105 % range. Standards for heating pipe pressure required is the damp heat test after 48h should be able to withstand a test voltage of 1500V, the electric strength test for 1min , leakage current should not exceed 5m

The technical requirements of the key provisions also include: electric

tube wiring leads rods should be able to withstand 980N tensile test, which lasted 3min, and no displacement or fracture phenomena; soldering of lug plate and leading rods should be able to withstand more than 200N tension aspect, and no breakage, loss or other phenomena
; For high and low temperature impact test, It should be able to withstand voltage of 1500V, electric heater electric strength test for 1min , leakage current not exceed 5mA after test.

Heating pipes should be able to withstand the salt spray test of 24h , there should be some more serious corrosion phenomena for heating pipes in contact with water when using. Operating life of heating pipes should

not less than 4000h.

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