This product page details the genuine Siemens S7-1500 front connector, an essential wiring component for the SIMATIC S7-1500 automation system. Specifically designed with screw terminals for 35mm wide modules, this connector provides a secure and reliable interface for field wiring to your digital and analog I/O modules, ensuring optimal electrical connectivity and simplified maintenance.
Overview of the S7-1500 Front Connector
The S7-1500 front connector serves as the critical link between your field devices and the S7-1500 I/O modules. Because it features robust screw terminals, it delivers superior contact reliability and vibration resistance compared to spring-cage alternatives, making it ideal for demanding industrial applications where wiring integrity is paramount.
Key Features and Technical Specifications
This front connector is engineered for both performance and installation efficiency. Therefore, here are its essential characteristics:
- Compatibility: Designed specifically for 35mm wide S7-1500 I/O modules.
- Terminal Type: High-quality screw terminals for secure wire connections.
- Wire Range: Supports flexible and rigid conductors from 0.25mm² to 2.5mm² (AWG 24-12).
- Mounting System: Tool-less mounting and removal from the module for easy maintenance.
- Coding Feature: Mechanical coding prevents incorrect installation on modules.
- Color Coding: Standard gray color for easy identification in control cabinets.
- Safety Features: Integrated shielding contact for proper EMI protection.

Typical Applications and Installation
The reliability of this S7-1500 front connector makes it essential for all S7-1500 installations. For example, it is used with:
- Digital input and output modules (DI, DO)
- Analog input and output modules (AI, AO)
- Technology modules and function modules
- All standard 35mm wide S7-1500 signal modules
- Manufacturing, process control, and infrastructure applications
To complete your S7-1500 system, explore our comprehensive range of S7-1500 I/O modules that require these front connectors.
Why Choose Genuine Siemens Front Connectors?
Selecting the official S7-1500 front connector guarantees optimal system performance and reliability. Firstly, the precise mechanical design ensures perfect alignment and contact with the module pins, preventing connection issues. Secondly, the screw terminals provide superior clamping force that maintains connection integrity even under vibration and thermal cycling. Consequently, you minimize wiring-related failures and ensure long-term system stability in your automation environment.
For detailed installation instructions, torque specifications, and compatibility lists, refer to the official Siemens S7-1500 front connector manual.
Complete Your S7-1500 Wiring System Today
In summary, the genuine S7-1500 front connector is a critical component that ensures reliable signal transmission between your field devices and PLC system. Finally, by using these original Siemens connectors, you protect your automation investment and maintain the high performance standards that the S7-1500 platform is known for worldwide.