Siemens 3SB3 400-0E Siemens Switching Contact Block 2NC Screw Terminal

The Siemens switching contact block with 2 NC contacts screw terminal, also known as a contact block, auxiliary switch or switching element, with type number 3SB3 400-0E is an electrical component for auxiliary contactors. It features 2 normally closed (NC) contacts and a screw terminal for front plate mounting. It has the dimensions 3 x 3 x 10 cm and weighs 0.1 kg. Switching elements of this type serve for signalling and controlling electrical circuits in automation and switchgear systems. They are typically used in industrial control systems and for status monitoring in machines.

Switching contact block with 2 normally closed (NC) contacts, screw terminal, for front plate mounting. Successor to phased-out product.