Product Introduction of Siemens 3VA9988-0AA12 Auxiliary Switch
Siemens 3VA9988-0AA12 is an auxiliary switch used as an accessory for 3VA1 and 3VA20 to 3VA25 series products.
In terms of technical data, it has a pollution degree of 3 and an overvoltage category of III, with an impulse withstand voltage capability of 4kV. It has a wide operating voltage range, with a minimum measured value of 240V in AC at 50Hz and 250V in DC, adapting to various voltage environments.
Regarding electrical parameters, the operating currents under different voltage combinations are specified, such as 6A at AC-12/12V. With the changeover contact type HQ(7mm), it can reliably switch circuits on and off, enhancing the control function of the main switch. It is widely used in industrial electrical control systems, providing strong support for the safe and stable operation of circuits.