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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3LD2103-0TK51 |
| Manufacturer | Siemens |
| Series | SENTRON |
| Product Type | Disconnect Switch |
| Voltage Rating | 400 V |
| Current Rating | 25 A |
| Power Rating | 9.5 kW |
| Number of Poles | 3 |
| Mounting Type | Front Mounting |
| Actuator Type | Rotary Actuator, Black |
| Protection Class | IP65 |
| Dimensions (W x H x D) | 67 x 92.5 x 84 mm |
| Insulation Voltage | 690 V |
| Continuous Current Rating | 25 A |
| Interlock | Yes |
| Electrical Connection | Connection Terminals for Main and Auxiliary Contacts |
| Mechanical Durability | 100,000 Operations |
| Operating Temperature Range | -25°C to +55°C |
| Short-Time Withstand Current | 640 A (1s at 690 V) |
| Suitable for Use As | Main Switch, Load Switch, Maintenance/Repair Switch |
| Auxiliary Contacts | Not Included |
| Short-Circuit Protection | Fuse gL/gG: 25 A for Main Circuit, Fuse gL/gG: 10 A for Auxiliary Circuit |
| Switching Frequency | Max 50 per hour |
| Conductor Cross-Section | 1.5 to 16 mm² (Main Contacts), 0.75 to 4 mm² (Auxiliary Contacts) |
| Environmental Confirmations | Yes |
The Siemens 3LD2103-0TK51 is a robust and reliable disconnect switch from the SENTRON series, designed for use in various industrial applications. It features a 3-pole configuration with a voltage rating of 400 V and a current rating of 25 A, making it suitable for controlling and isolating electrical circuits. The switch is equipped with a black rotary actuator and offers front mounting for easy installation. With an IP65 protection class, it ensures high resistance to dust and water ingress. The device is built to withstand mechanical operations up to 100,000 cycles and operates efficiently within a temperature range of -25°C to +55°C.
The Siemens 3LD2103-0TK51 is a high-quality disconnect switch from the SENTRON series, designed to ensure reliable and efficient control in various industrial applications. This 3-pole main switch is rated for a continuous current of 25 A and can handle up to 9.5 kW at 400 V, making it suitable for demanding electrical environments.
With a robust construction and a protection class of IP65, the 3LD2103-0TK51 is built to withstand harsh conditions, providing excellent durability and longevity. The switch features a black rotary actuator for easy operation and is designed for front mounting with a four-hole configuration, ensuring a secure and stable installation.
The device is equipped with connection terminals for both auxiliary and main current circuits, facilitating straightforward and reliable electrical connections. It also includes an interlock feature, enhancing operational safety by preventing accidental activation.
Measuring 67 x 92.5 x 84 mm, the Siemens 3LD2103-0TK51 is compact yet powerful, making it an ideal choice for space-constrained installations. Its suitability for use as a main switch, safety cut-out switch, and maintenance/repair switch underscores its versatility and essential role in maintaining electrical system integrity.
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Frequently Asked Questions
What is the primary function of this Siemens switch disconnector?
The primary function of this Siemens switch disconnector is to serve as a main control switch for electrical circuits, providing a reliable means to disconnect power for maintenance or emergency purposes.
What is the rated voltage and current for this switch disconnector?
This switch disconnector is rated for 400 V and 25 A.
What type of mounting does this switch disconnector support?
This switch disconnector supports front mounting with a four-hole mounting configuration.
What is the protection class of this switch disconnector?
The switch disconnector has a protection class of IP65, making it suitable for use in environments where it may be exposed to dust and water.
How many poles does this switch disconnector have?
This switch disconnector is a 3-pole device.
What is the operational temperature range for this switch disconnector?
The operational temperature range for this switch disconnector is from -25°C to +55°C.
Can this switch disconnector be used as an emergency stop switch?
No, this switch disconnector is not designed to be used as an emergency stop switch.
What is the mechanical lifespan of this switch disconnector?
The mechanical lifespan of this switch disconnector is approximately 100,000 switching cycles.
What is the maximum power rating at 400 V for this switch disconnector?
The maximum power rating at 400 V for this switch disconnector is 9.5 kW.
Does this switch disconnector include an interlock feature?
Yes, this switch disconnector includes an interlock feature.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
