204.154.001    Black     w/ Srew Terminal
204.154.002    Red       w/ Srew Terminal
204.154.003    Yellow    w/ Srew Terminal

204.154.011    Black      w/ Plug-in Terminal
204.154.012    Red        w/ Plug-in Terminal
204.154.013    Yellow    w/ Plug-in Terminal

ELO Starter Button, which has a wide field of usage, maintains its conductivity through the silver contact terminals within its housing. Moreover, the button stiffness and contact of the terminals are handled by two separate spring systems. ELO Starter Button, is manufactured in three different colors of black, yellow and red. 

Click Technical Specs for more information on ELO Starter Buttons.