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3LD3148-0TK53
Siemens 3LD3148-0TK53 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3LD3148-0TK53 is a robust load disconnector designed for reliable performance in industrial applications. This 3-pole switch disconnector, part of the SENTRON family, is engineered to handle a rated operational current of 25 A and is suitable for use as a main switch, switch disconnector, emergency off switch, safety switch, and maintenance/repair switch. It features a floor mounting design with a door coupling and a short rotary knob for manual operation, ensuring ease of use and accessibility. The device is equipped with a red/yellow rotary actuator and offers a high degree of protection with an IP65 rating, making it suitable for demanding environments. With a mechanical service life of up to 100,000 switching cycles and an electrical endurance of 6,000 cycles at AC-23 A at 690 V, this load disconnector is built to last. It supports a wide range of operating temperatures and is designed for fixed mounting, providing flexibility in installation. The Siemens 3LD3148-0TK53 is an ideal choice for those seeking a dependable and versatile load disconnector for their electrical systems.
| Specification | Description |
|---|---|
| Part Number | 3LD3148-0TK53 |
| Manufacturer | Siemens |
| Product Brand Name | SENTRON |
| Product Designation | Switch Disconnector |
| Design of the Product | EMERGENCY-STOP switch |
| Number of Poles | 3 |
| Mechanical Service Life | 100,000 operating cycles |
| Electrical Endurance | 6,000 operating cycles at AC-23 A at 690 V |
| Operating Frequency | Maximum 50 operations per hour |
| Degree of Pollution | 3 |
| Insulation Voltage | 690 V |
| Surge Voltage Resistance | 6 kV |
| Operating Voltage | 690 V AC |
| Protection Class | IP65 |
| NEMA Rating | 1, 3R, 4X, 12 |
| Power Loss | 1.1 W per pole in hot operating state |
| Operational Current | 25 A at AC-21 at 690 V |
| Rated Operating Capacity | 9.0 kW at AC-23 A at 400 V |
| Type of Switch | Floor mounting with door coupling |
| Actuating Element | Short rotary knob, red/yellow |
| Dimensions | Height: 60 mm, Width: 36 mm, Depth: 380 mm |
| Net Weight | 300 g |
| Ambient Temperature | -25 °C to 55 °C during operation |
| Mounting Method | Built-in unit fixed-mounted version, front mounting with central attachment, rail mounting |
| Short Circuit Protection | Required fuse gL/gG: 25 A for main circuit, 10 A for auxiliary switch |
| Conditional Short-Circuit Current | 10 kA at 440 V by gG fuse, 6 kA at 690 V by gG fuse |
| Let-Through Current | Maximum 3.5 kA at 240 V and 440 V, permissible 4 kA at 690 V for combination switch + gG fuse |
| I2t Value | Maximum 4 kA².s at 240 V, 440 V, and 690 V for combination switch + gG fuse |
| Type of Electrical Connection | Box terminal for main current circuit and auxiliary contacts |
| Connectable Conductor Cross-Sections | Solid: 1x (2.5 to 16 mm²), Finely stranded with core end processing: 1x (2.5...16 mm²), Stranded: 1x (2.5 to 16 mm²) |
| Auxiliary Contacts | Solid: 2x (0.75 ... 2.5 mm²), 1x 4 mm²; Finely stranded with core end processing: 2x (0.75 ... 1.5 mm²), 1x 2.5 mm²; Stranded: 2x (0.75 ... 2.5 mm²), 1x 4 mm² |
| Special Product Feature | Can be locked in zero position |
| Product Extension | Optional motor drive: No, Optional voltage trigger: No |
| Hasp Thickness | 4 ... 8 mm |
| Number of Bracket Locks | Maximum 3 |
What is the primary function of this load disconnector?
The primary function of the Siemens 3LD3148-0TK53 load disconnector is to safely disconnect electrical circuits, ensuring that maintenance and repair work can be carried out without risk of electric shock.
Can this load disconnector be used as an emergency stop switch?
Yes, the Siemens 3LD3148-0TK53 is designed to function as an emergency stop switch, providing a reliable means to quickly disconnect power in emergency situations.
What is the rated operational current for this load disconnector?
The Siemens 3LD3148-0TK53 load disconnector has a rated operational current of 25 A.
What is the degree of protection offered by this load disconnector?
This load disconnector offers a protection class of IP65, making it suitable for use in environments where it may be exposed to dust and water.
Is the Siemens 3LD3148-0TK53 suitable for use as a main switch?
Yes, the Siemens 3LD3148-0TK53 is suitable for use as a main switch, providing a reliable means to control the power supply to electrical circuits.
What is the mechanical service life of this load disconnector?
The mechanical service life of the Siemens 3LD3148-0TK53 load disconnector is typically 100,000 operating cycles.
What type of mounting does this load disconnector support?
The Siemens 3LD3148-0TK53 supports floor mounting with door coupling and can be mounted using a central hole.
What is the maximum operating voltage for this load disconnector?
The maximum operating voltage for the Siemens 3LD3148-0TK53 load disconnector is 690 V AC.
Can the Siemens 3LD3148-0TK53 be locked in the off position?
Yes, this load disconnector can be locked in the off position, providing an additional safety feature to prevent accidental reconnection.
What is the rated power loss per pole for this load disconnector?
The rated power loss per pole for the Siemens 3LD3148-0TK53 is 1.1 W in a hot operating state.
- Used as a main switch in industrial electrical panels.
- Functions as a switch disconnector for isolating electrical circuits.
- Serves as an EMERGENCY OFF switch for safety applications.
- Acts as a safety switch to ensure secure maintenance and repair operations.
- Suitable for use in environments requiring a maintenance/repair switch.
- Ideal for applications requiring a load disconnector with a high degree of protection (IP65).
- Commonly used in systems requiring a rotary actuator for manual operation.
- Utilized in electrical systems that demand a robust and reliable switching mechanism.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
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Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
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Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
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Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
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Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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