NC Contact Block 3SB3400-0A Normally Closed Auxiliary Contact for Industrial Pushbutton

Product Overview

The 3SB3400-0A NC contact block is a normally closed auxiliary contact module designed for industrial pushbutton and control station assemblies. It provides reliable signal feedback and control-circuit switching in automation panels, machine controls, conveyor systems, and manufacturing equipment.

Engineered for dependable operation in demanding industrial environments, this contact module offers stable electrical connection, compact dimensions, and straightforward mounting for maintenance, repair, and OEM replacement applications.

Key Features

• Normally closed (NC) auxiliary contact configuration
• Model reference: 3SB3400-0A
• Suitable for industrial pushbutton and control station circuits
• Secure screw terminals for consistent wiring retention
• Compact modular design for space-efficient panel installation
• Reliable switching performance for control and signal circuits
• Ideal replacement part for MRO, automation, and machine-building use

Specifications

Applications

• Industrial control panels and operator stations
• Pushbutton, selector switch, and signaling device assemblies
• Conveyor control and material handling systems
• Packaging machinery and production lines
• Machine tools and automated manufacturing equipment
• Maintenance, repair, and operations (MRO) inventories

Package Contents

• 1 x NC Contact Block 3SB3400-0A