Hook Switch for Telephones Common Specification 1. Rating : 500A 50VDC 2. Electrical Performance Item Test Condition Performance Contact Resistance 1A 15V DC 50mW Max Insulation Resistance 500V DC for 1 minute 100mW Min Withstand Voltage 1KV AC for 1 minute Not Breaking Insulation 3. Mechanical Performance Item Test Condition Performance Operating Force   As per Individual Specifications Terminal Strength 300gt for 1 minute No Terminal Rejection and Insulator Breakage Stopper Strength  1kgf Static Force for 15 seconds  There shall be no damage 4. Endurance Item Test Condition Performance Life Test 300,000 Cycles Without Load 100,000 Cycles With 0.2A 48V DC resistive Load Contact Resistance: 1mW Max Operating Force: +10% Initial Value Insulation resistance: 10mW Min Withstand Voltage: 500V AC for 1 minute Cold Proof -20 +- 2C for 96 Hours After Test, Kept in Normal Condition for 1 Hour,to be measured within 1 Hour Contact Resistance: 200mW Max Operating Force: +10% Initial Value Insulation Resistance: 100mW Min Withstand Voltage: 500V AC for 1 Minute Dry Heat Proof  85C +- 2C for 96 Hours After Test, Kept in Normal Condition for 1 Hour,to be measured within 1 Hour   Moisture Resistance  40 +- 2C 90 - 95RH for 96 Hours After Test, Kept in Normal Condition for 1 Hour,to be measured within 1 Hour   5. Solder Heat Resistance Auto Soldering: 260C+-5C 5+- Seconds Manual Soldering: 350C+-10C3 Seconds   Home | About Us | Novax | Rexton | Contact Us | Feedback