The Siemens 3LA0204-5YA Heavy Duty Changeover Switch is a reliable industrial switching device designed for manual transfer and changeover applications in electrical distribution and control systems. Part of the trusted Siemens Superswitch 3LA0 Series, this switch provides safe switching between power sources, circuits, or operating conditions while delivering long service life and dependable performance. Siemens Superswitch products are engineered for demanding industrial environments where operational reliability, electrical safety, and robust construction are essential. Siemens is globally recognized for manufacturing industrial automation and electrical control solutions for infrastructure, manufacturing, and industrial applications.
The 3LA0204-5YA is a 2-pole heavy-duty changeover switch rated at 25A, supplied in an open execution design for integration into switchboards, electrical panels, OEM equipment, and industrial control systems. The switch is suitable for manual changeover operations where dependable switching between circuits or power sources is required.
One of the major advantages of the Siemens 3LA0204-5YA is its robust switching mechanism. Designed for industrial-duty applications, the switch provides reliable contact performance and smooth operation while helping ensure safe circuit transfer and isolation. This makes it suitable for use in electrical distribution systems, machinery control panels, and industrial automation installations.
The open execution design offers installation flexibility for panel builders and system integrators. The switch can be mounted inside custom enclosures and control cabinets while allowing easy access for wiring, inspection, and maintenance. Its compact construction helps optimize panel space without compromising performance.
A key benefit of the 3LA0204-5YA Changeover Switch is its durability. Siemens Superswitch devices are engineered for frequent switching operations and long-term industrial use, helping reduce maintenance requirements and improve overall system reliability. The rugged packet-switch construction ensures stable electrical performance even under demanding operating conditions.
The switch is ideal for applications requiring manual selection between different circuits, feeders, or power sources. It can be used in industrial plants, commercial buildings, machine control systems, utility infrastructure, and electrical distribution networks where safe and dependable changeover functionality is required.
For enhanced safety and operational convenience, the switch can be combined with compatible Siemens accessories such as operating handles, door-coupling mechanisms, protective covers, and locking devices. These accessories help support safe operation and maintenance procedures while improving overall system usability.
At SB Smart (SBSmart.in), we supply genuine Siemens electrical and industrial automation products that meet the highest standards of quality, safety, and performance. The Siemens 3LA0204-5YA Changeover Switch provides dependable switching functionality, robust construction, and long-term reliability for industrial and commercial applications.
Whether you are designing a new electrical panel, upgrading an existing distribution system, or implementing a manual changeover solution, the Siemens 3LA0204-5YA delivers the performance and durability expected from Siemens industrial switching products. Siemens is a global technology leader serving industrial automation, infrastructure, and power distribution markets worldwide.
| Specification | Details |
|---|---|
| Product Name | Heavy Duty Changeover Switch |
| Part Number | 3LA0204-5YA |
| SKU | 3LA0204-5YA |
| Brand | Siemens |
| Product Series | Superswitch 3LA0 |
| Product Type | Changeover Switch |
| Switching Function | Manual Changeover |
| Number of Poles | 2 Pole |
| Rated Current | 25 A |
| Execution Type | Open Execution |
| Mounting Type | Panel Mounted |
| Terminal Type | Screw Terminal |
| Application | Circuit & Power Source Changeover |
| Industrial Use | Yes |
| Construction | Heavy Duty Industrial Design |
| Suitable For | Control Panels & Distribution Systems |
| Product Category | Industrial Switching Device |
| Manufacturer | Siemens |
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