XQB70-261/XQB-8077-1RS
qishuai,LG,Polytron washing machine spare part water level pressure switch
parameter
1. Rated voltage: DC5V;
2. Apply 7KPa pressure to the air supply port, no leakage for 2min;
3. Apply 1200V or 1500V between the terminals and the mounting plate, no flashover or breakdown for 1min or 1.5s respectively;
4. Insulation resistance: > 50MΩ;
5. Failure limit: water pressure over 1000mm;
6. Durability: 20 times per minute to make the water level up to 450mm, 50000 times in total;
7. Apply 78N/10 seconds to the front end of the air supply port, no leakage;
8. Temperature characteristics: 20℃ as the standard, temperature changes about 30 ℃;
9. The thermal shock resistance: -20℃ and 70℃ for 1 hour each, time as a cycle, 50 cycles in total;
10. Heat resistance: 70 ℃;
11. Cold resistance: -20 ℃;
12. Humidity resistance: Keep in a conditioning oven with temperature of 45±3℃ and humidity over RH95%;
13. Moisture and insulation resistance: After keeping it under temperature of 40±3℃ and relative humidity over PH95% for 24 hours, the insulation resistance between the terminal and mounting plate is 10MΩ or more;
14. Vibration resistance: vibration frequency of 10-50Hz, full amplitude 15mm, vibration frequency between 10Hz and 50Hz within 1min;
15. Moisture resistance: over RH95%, concentration of sodium hypochlorite is 0.5-2ppm in the bath.