Description
Siemens 3TX7112-1NC13 11-Pin Plug-In Relay Overview
The Siemens 3TX7112-1NC13 is a compact, 11-pin plug-in relay engineered for dependable switching performance in HVAC control panels, building automation systems, and industrial control applications. Designed to plug directly into compatible relay sockets, this relay simplifies installation, replacement, and maintenance without rewiring.
Key Features
- 11-pin plug-in design for easy installation and field replacement
- Compatible with standard 11-pin relay sockets for flexible panel integration
- Compact form factor ideal for high-density control panel layouts
- Reliable switching performance for HVAC, building automation, and industrial control circuits
- Siemens quality construction for long service life and consistent operation
- Suitable for use in relay logic, interlock, and sequencing applications
Applications
- HVAC control panels and building automation systems
- Industrial control and relay logic circuits
- Interlock and sequencing control applications
- OEM equipment and panel board assemblies
Why Choose Siemens Relays
Siemens is a globally recognized leader in electrical controls and automation. The 3TX7 series plug-in relays are built to meet the demands of commercial and industrial environments, offering consistent performance and easy serviceability. The plug-in configuration minimizes downtime during maintenance and ensures a secure, vibration-resistant connection in the socket.







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