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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3LD2164-2TD51-0AE2 |
| Alternative Part Number | 3LD21642TD510AE2 |
| Manufacturer | Siemens |
| Product Type | Switch disconnector |
| Product Brand Name | SENTRON |
| Product Designation | Main and EMERGENCY-STOP switches |
| Operating Mechanism | Rotary actuator, black |
| Number of Poles | 3 |
| Device Type | Fixed mounting |
| Protection Against Electrical Shock | Finger-safe |
| Mechanical Service Life | 100,000 switching cycles for main contacts |
| Operating Frequency (max) | 50 operations per hour |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated at 6,000 V |
| Protection Class | IP65 |
| Continuous Current | Rated at 25 A |
| Short-time Current Resistance (Icw) | 640 A at 690 V for 1 s |
| Operating Power at AC-23 A | 9.5 kW at 400 V and 690 V |
| Operating Power at AC-3 | 7.5 kW at 400 V and 690 V |
| Operating Voltage | Rated at 690 V for AC at 50/60 Hz |
| Operating Current at AC-21 | Rated at 25 A |
| Auxiliary Circuit Contacts | 1 NC and 1 NO contact |
| Operating Voltage of Auxiliary Contacts (max) | 500 V |
| Continuous Current of Auxiliary Contact | Rated at 10 A |
| Insulation Voltage of Auxiliary Switch | Rated at 500 V |
| Suitability for Use | Main switch, switch disconnector, safety switch, maintenance/repair switch |
| Product Feature | Interlock |
| Connectable Conductor Cross-section | Main contacts: 1.5 - 16 mm² (stranded), 10 mm² (finely stranded with core end processing) |
| Ambient Temperature Operating Range | -25°C to +55°C during operation |
| Dimensions (H x W x D) | 164 mm x 100 mm x 118 mm |
| Mounting Type | Floor mounting, front mounting with central attachment |
| Net Weight | 502 g |
| Commodity Code | 853650 |
The Siemens 3LD2164-2TD51-0AE2 is a robust switch disconnector designed to ensure a high level of safety and reliability for industrial power management. This three-pole main switch is capable of handling a continuous current of 25 amperes and is suitable for fixed mounting applications. It boasts an insulation voltage rated at 690V and a surge voltage resistance of 6,000V, providing excellent protection against electrical shocks and ensuring finger-safe operation.
With a mechanical service life of 100,000 switching cycles and an operating frequency of up to 50 operations per hour, this switch disconnector is built for endurance and frequent use. It is also equipped with one normally closed (NC) and one normally open (NO) auxiliary contact, allowing for versatile connection options.
The 3LD2164-2TD51-0AE2 is designed with user safety in mind, featuring an insulation-enclosed housing with an IP65 protection class, making it dust-tight and protected against water jets from any direction. The rotary actuator with a black metric thread offers a straightforward and reliable manual operation.
This switch disconnector is not only a main switch but also serves as a maintenance/repair switch, and it includes an interlock feature for added safety. Its suitability for use as a safety switch makes it an essential component in a variety of industrial settings.
The product's dimensions are compact, with a height of 164mm, a width of 100mm, and a depth of 118mm, allowing for efficient use of space in electrical installations. The switch's floor mounting design and central attachment option facilitate easy integration into various systems.
Overall, the Siemens 3LD2164-2TD51-0AE2 is a reliable and safe solution for controlling power in industrial environments, offering durability, versatility, and a high degree of protection for both machinery and personnel.
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Frequently Asked Questions
What is the purpose of a switch disconnector?
A switch disconnector is used to ensure that an electrical circuit is completely de-energised for service or maintenance. It provides a means to safely disconnect the power supply from the system it controls.
Can this switch disconnector be used as a main switch?
Yes, the Siemens 3LD2164-2TD51-0AE2 is suitable for use as a main switch, providing a reliable means of controlling the power supply to a system.
What is the rated operational current of this switch disconnector?
The rated operational current for this switch disconnector is 25 A.
What is the mechanical service life of this switch disconnector?
The mechanical service life of the switch disconnector is typically 100,000 switching cycles, indicating its durability and reliability over time.
What type of protection does the switch disconnector offer?
This switch disconnector offers finger-safe protection against electrical shock and has an IP65 protection class, making it dust-tight and protected against jets of water.
What are the dimensions of the switch disconnector?
The dimensions of the switch disconnector are 164 mm in height, 100 mm in width, and 118 mm in depth.
What is the insulation voltage rating of this switch disconnector?
The insulation voltage rating of the switch disconnector is 690 V.
Can this switch disconnector be used for safety applications?
Yes, the switch disconnector is suitable for use as a safety switch and for maintenance/repair operations, but it is not suitable as an EMERGENCY OFF switch.
What is the operating temperature range for this switch disconnector?
The operating temperature range for the switch disconnector is from -25°C to 55°C, allowing it to function effectively in a variety of environmental conditions.
What type of terminals does the switch disconnector have for electrical connections?
The switch disconnector has connection terminals for both the main current circuit and auxiliary contacts, facilitating easy and secure wiring.
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