Siemens 3SB3403-0M Yellow 1NC Spring Terminal Contact Bloc

The Siemens 3SB3403-0M is a contact bloc designed for front plate mounting, featuring one normally closed (NC) contact and a monitoring contact. This yellow component utilizes spring-loaded terminals for secure and efficient wiring. It is part of the SIRIUS ACT 3SU1 series and is considered a phased-out product, with 3SU1400-1AA10-3HA0 as the preferred successor.

This contact bloc is integral to control and signaling circuits in industrial automation, particularly in applications requiring clear visual indication or specific interlocking functions through its monitoring contact. Industries such as manufacturing, process control, and building management systems benefit from its reliability.

As a veteran-owned surplus parts distributor, Stanlo Automation provides access to hard-to-find components like the Siemens 3SB3403-0M. Our commitment is to offer quality surplus parts to keep your operations running smoothly.