Siemens 3LD2103-1TL51 Load Break Switch / Isolator | SENTRON 3LD | 4-Pole | 25A
$ 40.00
About this item
The Siemens 3LD2103-1TL51 Load Break Switch is a reliable 4-pole switch disconnector designed for safe electrical isolation in industrial applications. Rated at 25 A and up to 690 V AC, it features a front-mounted black rotary handle for convenient manual operation. Ideal for industrial control panels, machinery, motor control centers, electrical distribution boards, HVAC systems, and factory automation.
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📝 Product Overview
The Siemens 3LD2103-1TL51 SENTRON Load Break Switch (Switch Disconnector) is a robust and reliable 4-pole main isolator designed for the safe switching and isolation of electrical circuits in industrial and commercial applications. Manufactured by Siemens as part of its trusted Siemens 3LD2103-1TL51 series, this switch is suitable for electrical installations that require dependable manual operation, efficient circuit isolation, and long-term operational performance.
Featuring a front-mounted rotary operating mechanism with a black handle, the Siemens 3LD2103-1TL51 provides convenient manual switching for machinery, electrical distribution panels, and motor control systems. Its four-pole configuration allows the switching of four electrical poles, making it suitable for applications requiring coordinated isolation of multiple conductors. The compact design supports integration into compatible electrical control panels and industrial installations.
With a rated operational current of 25 A and a rated operational voltage of up to 690 V AC, this switch disconnector is designed for use in compatible low-voltage electrical systems. Its specified operating power of 9.5 kW under AC-23A conditions at 400 V makes it suitable for relevant industrial switching applications when used within its rated operating conditions.
Built for dependable performance, the Siemens 3LD2103-1TL51 series supports practical electrical isolation and switching requirements across manufacturing facilities, industrial machinery, HVAC installations, pump systems, and power distribution equipment. The front-mounted rotary handle offers a straightforward operating interface, while the four-hole handle fixing arrangement supports the intended mounting configuration.
The Siemens 3LD2103-1TL51 is a practical choice for electrical engineers, panel builders, maintenance technicians, and industrial automation professionals seeking a compact main switch for compatible applications. Its durable construction, convenient manual operation, and versatile installation potential make it a valuable component in electrical control and distribution systems. Installation and use should follow the manufacturer’s instructions, applicable electrical regulations, and the switch’s specified ratings.
🔧 Key Specifications: Siemens 3LD2103-1TL51
| Specification | Details |
|---|---|
| Model Number | 3LD2103-1TL51 |
| Manufacturer | Siemens |
| Series | SENTRON 3LD |
| Type | Load Break Switch / Switch Disconnector (Main Isolator) |
| Number of Poles | 4-Pole |
| Rated Operational Current (Iu) | 25 A |
| Rated Operational Voltage | Up to 690 V AC |
| Operating Power (AC-23A at 400 V) | 9.5 kW |
| Operating Mechanism | Front-Mounted Rotary Handle |
| Handle Color | Black |
| Mounting | Front Mount with 4-Hole Handle Fixing |
| Application | Main Switch / Load Isolation |
| Standards | IEC 60947 compliant, as specified |
| Product Status | Active Product, as specified |
| Feature | Benefit |
|---|---|
| Reliable Manual Isolation | Enables manual switching and isolation of compatible electrical circuits. |
| Compact, Durable Design | Supports space-efficient installation and dependable industrial operation. |
| 4-Pole Switching | Allows coordinated switching of four poles where required by the application. |
| Front-Mounted Rotary Handle | Provides convenient access for manual switching operations. |
| Industrial Switching Capability | Supports compatible industrial loads within the specified ratings. |
| Mechanical Durability | Designed for repeated switching operations according to manufacturer specifications. |
| Practical Panel Installation | The intended mounting arrangement supports integration into compatible electrical control panels. |
| Versatile Industrial Use | Suitable for various machinery, electrical distribution, and automation installations. |
| Application | Purpose |
|---|---|
| Industrial Control Panels | Provides a main switching and isolation point for compatible electrical circuits. |
| Machine Main Isolators | Allows machinery power circuits to be disconnected as part of an appropriate isolation procedure. |
| Motor Control Centers (MCC) | Supports switching and isolation within compatible motor control installations. |
| Electrical Distribution Boards | Provides a switching point for suitable power distribution arrangements. |
| Manufacturing Plants | Supports electrical isolation requirements for compatible industrial equipment. |
| HVAC Systems | Can be used for switching and isolation of suitably rated HVAC equipment. |
| Pump and Compressor Control | Supports electrical isolation for compatible pump and compressor systems. |
| Factory Automation Systems | Provides a manual switching component for suitable automation installations. |
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