Schneider Electric Square D™ TeSys™ K Auxiliary Contact Block, Instantaneous Normal Environment, Series: LA1, 690 VAC, 10 A, <=400 Hz Frequency, 1NO-1NC Contacts, Screw Clamp Tip, Front Clip-On Mounting, -25 to 50 deg C Operating, Environmental Conditions: IP2X, For Use With: TeSys™ LA1 Contactor, 35 mm D Dimensions