Models View all Battery Contact Spring, Keystone 289 8 140 0 NATO plug 2 28 0 3D printed DIN Rail Mount Clip 3 410 0 Battery Clip/Holder, Keystone 54, 254 7 171 1 Configurable 5015 Mil-Spec Connector- (MS3102 - Box Mount Receptacle) 21 960 3 Configurable Klixon 2TC2-x (MS3320-x) Circuit Breaker 16 779 4