Padlock for handle lock 5ST3801, 5ST3806 and remote operators 5ST305 / 5ST307. Padlock SENTRON 5ST3 as an additional component for residual current devices and circuit breakers. These additional components can be mounted universally. They are easy and convenient to install and connect. Thanks to the standard touch protection, safety during installation is reliably guaranteed. Optimum technology for your safety - only from Siemens.