The Siemens 3LD2013-0TK51 Auxiliary Switch (1NO + 1NC) is a high-quality accessory designed to enhance the functionality of Siemens SENTRON switch disconnectors. Engineered for reliable control circuit signaling, status indication, interlocking, and automation applications, this auxiliary switch enables seamless integration between power switching devices and control systems. As part of the trusted Siemens SENTRON 3LD Series, the 3LD2013-0TK51 delivers dependable performance, precise switching operation, and long-term reliability in industrial environments.
The 3LD2013-0TK51 Auxiliary Switch features a 1 Normally Open (1NO) and 1 Normally Closed (1NC) contact configuration, making it ideal for monitoring switch positions, providing feedback signals to PLCs, control relays, and automation systems, and supporting interlocking functions in industrial control panels. This versatile contact arrangement allows engineers and panel builders to implement advanced control logic while maintaining operational safety and system efficiency.
Designed specifically for compatibility with Siemens SENTRON 3LD Switch Disconnectors, the auxiliary switch integrates easily into existing installations. It enables operators and maintenance personnel to receive accurate switch status information, ensuring better control and visibility of electrical systems. Whether used in power distribution networks, machine control systems, motor control centers, or industrial automation applications, the Siemens 3LD2013-0TK51 provides reliable signaling and switching support.
A major advantage of the 3LD2013-0TK51 Auxiliary Contact Block is its ability to improve system automation. By transmitting switch position signals to supervisory control systems, PLCs, and monitoring equipment, it helps streamline industrial processes while reducing manual intervention. This capability is particularly valuable in modern manufacturing facilities where real-time monitoring and control are critical to operational efficiency.
The auxiliary switch is engineered to Siemens' stringent quality standards and is built for reliable operation in demanding industrial environments. With a rated auxiliary contact current of 10A and a maximum auxiliary contact operating voltage of 500V AC, the device is capable of supporting a wide range of control and signaling applications. Its durable construction ensures long-term performance and dependable switching characteristics throughout its service life.
Another important benefit of the Siemens 3LD2013-0TK51 is its contribution to enhanced safety and operational awareness. By providing auxiliary signaling contacts, operators can monitor switch conditions remotely, implement safety interlocks, and improve fault diagnostics. This helps reduce downtime, supports predictive maintenance strategies, and enhances overall system reliability.
The compact design of the auxiliary switch allows straightforward installation within electrical control panels and switchgear assemblies. Siemens has designed the accessory to integrate seamlessly with SENTRON switch disconnectors, minimizing installation effort while ensuring reliable performance. This makes the 3LD2013-0TK51 an excellent choice for OEMs, panel builders, electrical contractors, and industrial automation professionals.
At SB Smart (SBSmart.in), we provide genuine Siemens electrical and industrial automation products designed to meet the highest standards of quality, reliability, and performance. The Siemens 3LD2013-0TK51 Auxiliary Switch offers dependable signaling functionality and seamless integration with SENTRON switch disconnectors, helping improve control, monitoring, and operational efficiency across industrial applications.
Whether you are upgrading an automation system, enhancing switch monitoring capabilities, or building a new control panel, the Siemens 3LD2013-0TK51 Auxiliary Switch (1NO + 1NC) delivers the reliability and performance expected from Siemens industrial solutions.
| Specification | Details |
|---|---|
| Product Name | Auxiliary Switch (1NO + 1NC) |
| Part Number | 3LD2013-0TK51 |
| SKU | 3LD2013-0TK51 |
| Brand | Siemens |
| Product Family | SENTRON 3LD |
| Product Type | Auxiliary Contact Switch |
| Contact Configuration | 1NO + 1NC |
| Normally Open Contacts | 1 |
| Normally Closed Contacts | 1 |
| Auxiliary Contact Current | 10 A |
| Maximum Auxiliary Voltage | 500 V AC |
| Insulation Voltage | 500 V |
| Compatibility | Siemens SENTRON 3LD Switch Disconnectors |
| Function | Status Indication & Control Signaling |
| Application | Monitoring, Interlocking & Automation |
| Mounting Type | Integrated Accessory |
| Industrial Use | Yes |
| Standards Compliance | IEC Standards |
| Manufacturer | Siemens |
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