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Siemens 3LD3348-0TK51
Main Switch 3-Pole Rated
Product Description
The Main Switch 3-Pole Rated is designed as a Load Disconnector, specifically the 3LD3 model, with a rated operational capacity of 40 A under AC-23 conditions at a voltage of 400 V, allowing for effective control in various industrial applications.
Constructed for floor mounting, this switch features a basic design with door coupling and a central hole mounting of 22.5 mm. The dimensions include a rotating drive measuring 66 x 66 mm. In addition, it is equipped with a black control element, providing a clear indication of the switch position.
With a degree of protection rated at IP65, this unit is suitable for use in environments where dust and water ingress may occur. It is interlockable and can be locked in the OFF position, ensuring enhanced safety during maintenance and operation.
Notably, the switch supports a mechanical service life of approximately 100,000 operating cycles. The device operates within a temperature range of -25 °C to 55 °C, making it versatile for various environmental conditions.
This product also meets multiple safety standards, suitable for use as a safety switch and maintenance switch, in accordance with relevant industry guidelines. The Designation Code for this switch is 3LD3348-0TK51, confirming its compliance and application standards.
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Offer details
- Offer from:
- Trusted supplier — Germany, member since 2024
- Availability:
- On requestLead time: 3 days
- Warranty:
- Not specified
- Condition:
- New Factory Sealed
Specifications
- Brand
- Siemens
- Number of poles
- 3
- Interlockable
- Number of switches
- 1
- Motor drive optional
- Version as main switch
- Colour control element
- Black
Available Offers
(2)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Factory Sealed | Availability On requestLead time: 3 days | Supplier GermanyTrusted supplier — member since 2024 | Warranty Not specified | ||
![]() | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier ItalyTrusted supplier — member since 2021, 10–19 employees | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3LD3348-0TK51, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 07-10-2026

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