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3LD3348-0TK53
Load disconnector 3LD3, Iu 40 A Main switch 3-pole Rated operating capacity at AC-23 A at 400 V 18.5 kW
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3LD3348-0TK53
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number | 3LD3348-0TK53 |
| Product Description | Load disconnector 3LD3, Iu 40 A Main switch 3-pole Rated operating capacity at AC-23 A at 400 V 18.5 kW floor mounting Basic switch with door coupling Central hole mounting 22.5mm Rotary actuator red / yellow 66 x 66 mm |
| Product family | Basic Devices |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Price Group | 12R |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Material | see also metal factor (further details are available on the help page) |
| Metal Factor | see also metal factor (further details are available on the help page) |
| Additional Product Information | ||
| EAN | 4001869551456 | |
| UPC | Not available | |
| Commodity Code | 85365080 | |
| LKZ_FDB/ CatalogID | LV10 | |
| Product Group | 5887 | |
| Group Code | P360 | |
| Country of origin | Germany | |
| Compliance with the substance restrictions according to RoHS directive | Since: 01.09.2006 | |
| Product class | B: return restricted, please contact your Siemens partner/contact | |
| WEEE (2012/19/EU) Take-Back Obligation | Yes | |
| REACH Art. 33 Duty to inform according to the current list of candidates | ||
| SCIP number | Not available | |
Product Description
3LD3348-0TK53
The Siemens 3LD3348-0TK53 is a premium load disconnector from the 3LD3 series, specifically designed for floor mounting applications. This 3-pole main switch is rated for a current of 40 A and provides a rated operating capacity of 18.5 kW at 400 V under AC-23 A conditions. It features a red/yellow rotary actuator with a 66 x 66 mm interface, making it both functional and visually distinct for industrial safety applications.
Key Features and Specification
- Type: Load Disconnector (3LD3 series).
- Function: Main switch for floor mounting applications.
- Configuration: 3-pole.
- Rated Current (Iu): 40 A.
Rated Operating Capacity (AC-23 A):
- 18.5 kW at 400 V.
- Mounting: Floor mounting with door coupling.
- Actuator Type: Rotary actuator in red/yellow.
- Mounting Interface: Central hole mounting, 22.5 mm diameter.
- Actuator Dimensions:66 x 66 mm.
Applications
Industrial Power Systems:
- Provides main switching for machinery and equipment in industrial setups.
Commercial Installations:
- Used for power disconnection in distribution boards and control panels.
Safety-Critical Environments:
- The red/yellow actuator ensures enhanced visibility, making it suitable for safety-critical applications.
Product Details:
- Product Family: Basic Devices.
- Lifecycle Status: PM300 – Active Product.
- Commodity Code: 85365080.
- Catalog ID: LV10.
- Product Group: 5887.
- Group Code: P360.
- EAN: 4001869551456.
Summary
The Siemens 3LD3348-0TK53 is a versatile and safety-oriented load disconnector, offering 40 A current capacity and 18.5 kW rated power for floor-mounted applications. Its red/yellow rotary actuator, door coupling mechanism, and compact 66 x 66 mm design make it an excellent choice for industrial and commercial environments requiring enhanced operational safety and reliability.
Frequently Asked Questions
How Does a Push Button Switch Work?
✅ push button switch A operates by applying pressure to the button or actuator, which compresses an internal spring and moves the electrical contacts. This action either closes or opens the circuit, depending on whether the switch is normally open (NO) or normally closed (NC). Push button switches are commonly used in industrial control systems, machinery, and automation applications for precise circuit activation.
What is the difference between a tactile pushbutton and a detection pushbutton?
✅ Tactile pushbuttons provide physical feedback and are designed for user interaction, often with a click sound. Detection pushbuttons sense positions (e.g., open/closed) without requiring user actuation.
What are the benefits of Siemens pushbuttons?
✅ Siemens pushbuttons offer IP69K durability, global certifications, modern design, intuitive operation, quick installation, and compatibility with AS-i, IO-Link, and PROFINET for advanced communication.
- Durability: IP69K rating ensures high resistance to extreme conditions, including exposure to oils, vapors, and corrosive solutions.
- Certifications: Fully certified for both national and international standards, ensuring reliable compliance with industry regulations.
- Design Flexibility: Available in metal and plastic variants, offering modern aesthetics to suit various applications and environments.
- Ease of Use: Features intuitive haptic feedback and illuminated controls for a seamless and user-friendly operation.
- Quick Installation: Effortless one-handed setup with innovative patented holder designs for faster deployment.
- Advanced Communication: Fully compatible with AS-i, IO-Link, PROFINET, and PROFIsafe technologies for enhanced communication and integration.
- Safety Assurance: ATEX-certified options are available for hazardous environments, ensuring maximum safety in challenging conditions.
Why choose Siemens SIRIUS ACT?
✅ Siemens SIRIUS ACT offers reliable, durable, and intelligent components, combining advanced technology with sleek design for powerful machines and advanced plants.
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