Description
The Siemens 3SU1400-1AA10-1BA0 is a 1 N/O (normally open) contact block designed for use with Siemens 3SU1 series 22mm push button and selector switch assemblies. Built to Siemens’ exacting industrial standards, this contact block provides dependable auxiliary switching performance in control panel and machine automation applications.
Key Features
- 1 N/O (normally open) contact configuration
- Designed for Siemens 3SU1 series 22mm operator devices
- Snap-on mounting for quick, tool-free installation
- Compact design suitable for front or side mounting
- Suitable for use in industrial control panels, HVAC equipment, and machine automation
- Durable construction for long service life in demanding environments
Typical Applications
- Push button stations and control panels
- Selector switch assemblies
- HVAC and building automation control enclosures
- Motor control and machine safety circuits
- Industrial automation and process control systems
Product Details
- Brand: Siemens
- SKU / Part Number: 3SU1400-1AA10-1BA0
- Contact Type: 1 N/O (Normally Open)
- Series: 3SU1 / SIRIUS ACT
- Operator Size: 22mm
The Siemens SIRIUS ACT 3SU1 series is a globally recognized platform for industrial push buttons, indicator lights, and selector switches. The 3SU1400-1AA10-1BA0 contact block integrates seamlessly into this modular system, allowing technicians to configure multi-contact assemblies with ease. Its robust design ensures consistent electrical performance across a wide range of industrial and commercial HVAC control applications.







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