The 1320-S-24 from Bourns is 1 pole DIN rail mount surge suppressor (base + module) with 24 VDC voltage rating, 10 kA current rating and screw termination. This surge suppressor protect power systems from damage due to lightning transients and power surges. Dimensions of this surge suppressor are: 67 mm L x 18 mm W x 90 mm H.