| 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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4 min read
December 13, 2024
