The KSK-1A31 series reed switch is a mercury wetted miniature high power and high current switch. Featuring a glass length of 11.0mm and diameter of 2.5mm. Rated power 50 W, Switching voltage 500 VDC, Switching current 2 Amp DC.
Industrial, high power/voltage, test and measurement (ATE)
Data Sheet Link:https://Data Sheet Link: standexelectronics.com/products/ksk-1a31-series-reed-switch-3/