# Siemens 3LD9200-5C Auxiliary Switch, 1NO + 1NC, Side-Mounted with Lead/Lag Function

**URL:** https://aio.lv/en/product--siemens-3ld9200-5c--1839904
**Data updated:** 2026-05-18 02:51 (EEST)
**Category:** Printer & Copier Parts
**Manufacturer:** Siemens
**Manufacturer code:** 3LD9200-5C
**EAN:** 4011209654938
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Siemens 3LD9200-5C is a side-mounted auxiliary switch designed for use with 3LD load break switches. It features a 1NO + 1NC contact configuration and supports lead/lag switching functionality. This component is essential for signaling and control applications in industrial electrical systems, ensuring reliable status feedback and operational safety in switchgear installations.

## Long description

The Siemens 3LD9200-5C is a high-quality auxiliary switch engineered for seamless integration with 3LD load break switches. This side-mounted component provides essential signaling and control capabilities within industrial electrical systems. Featuring a 1NO + 1NC contact configuration, it ensures precise status feedback and enhances operational safety in complex switchgear installations.
Advantages
This auxiliary switch offers robust performance and reliable switching operations, making it a critical component for monitoring electrical circuits. The integrated lead/lag function allows for advanced control sequences, ensuring that auxiliary contacts operate in a specific timing relationship with the main switch. Its side-mounted design facilitates easy installation and space-efficient integration into existing control panels, providing a durable solution for demanding industrial environments.
Suitable for
Industrial switchgear and control panel assemblies
Status signaling in electrical distribution systems
Applications requiring lead/lag switching sequences
Safety-critical monitoring of load break switches
When it may not be suitable
This component is specifically designed for use with the Siemens 3LD series of load break switches. It is not compatible with other switch series or non-Siemens electrical equipment. Furthermore, it is intended for professional industrial use and should not be installed in residential consumer electronics or low-voltage household appliances.
Key specifications
Contact configuration: 1NO (Normally Open) + 1NC (Normally Closed)
Mounting type: Side-mounted
Functionality: Lead/Lag switching
Compatibility: Siemens 3LD series load break switches
How to use
Installation should be performed by a qualified electrician in accordance with local safety regulations. The switch is mounted to the side of the compatible 3LD load break switch housing. Ensure the power is disconnected before beginning the installation process. Align the auxiliary switch with the mounting interface on the main switch and secure it firmly. Connect the control wiring to the designated terminals according to the required logic for your specific application.
What to consider before purchase
Verify compatibility with your specific 3LD switch model
Ensure the 1NO + 1NC configuration meets your control requirements
Confirm that the side-mounting space is available in your enclosure
Check that the lead/lag function aligns with your system design
Usage recommendations
Always verify the electrical ratings and ensure the device is installed within an appropriate enclosure to protect against environmental factors and accidental contact. Regular inspection of the terminal connections is recommended to maintain optimal performance.

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### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

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