# Siemens 3KD0342-2LG20-3 4-Pole Switch Disconnector, 63A, 750/690V

**URL:** https://aio.lv/en/product--siemens-3kd0342-2lg20-3--12463145
**Data updated:** 2026-05-18 09:44 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 3KD0342-2LG20-3
**EAN:** 4001869586663
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 95.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 79.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3kd0342-2lg20-3--12463145

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3KD0342-2LG20-3 is a 4-pole switch disconnector designed for reliable electrical circuit isolation. It features a rated current of 63 A and supports input voltages up to 750/690 V with a power dissipation of 9.2 W. This grey-colored device is certified according to IEC 81346-2 Q standards and is suitable for industrial applications requiring secure power disconnection and maintenance safety.

## Long description

The Siemens 3KD0342-2LG20-3 is a robust 4-pole switch disconnector engineered for secure electrical circuit isolation in industrial environments. With a rated current of 63 A and support for voltages up to 750/690 V, this device ensures reliable performance during maintenance and emergency shutdowns. Its compact design and grey finish make it a standard choice for professional electrical installations requiring high safety standards and consistent power management.
Advantages
This switch disconnector offers exceptional reliability due to its high-quality construction and adherence to international standards. The 4-pole configuration allows for comprehensive circuit disconnection, enhancing safety for personnel performing maintenance tasks. Its efficient power dissipation of 9.2 W minimizes energy loss, while the direct operating mechanism provides intuitive and immediate control over the electrical supply. The unit is designed for durability, ensuring long-term operational stability in demanding industrial settings.
Suitable for
Industrial power distribution systems
Electrical maintenance and repair operations
Emergency shutdown applications
Control panel integration
This device may not be suitable for outdoor environments without additional protective enclosures, as it features an IP10 rating, which provides minimal protection against solid objects and no protection against moisture. It is also not intended for applications exceeding its rated current of 63 A or voltage limits of 750/690 V.
Key specifications
Rated current: 63 A
Voltage rating: 750/690 V
Number of poles: 4
Power dissipation: 9.2 W
Protection rating: IP10
Dimensions: 96 mm x 95 mm x 110 mm
Color: Grey
Terminal type: Box terminal
The device is designed for central front mounting and utilizes a direct operating mechanism for manual switching. Installation should be performed by qualified personnel in accordance with local electrical codes. Ensure that the power supply is completely disconnected before attempting to install or wire the unit to the circuit. Secure the box terminals firmly to ensure optimal electrical contact and prevent overheating during operation.
What to consider before purchase
Verify that the 63 A current rating matches your circuit requirements.
Ensure the installation environment is dry and free from dust, given the IP10 rating.
Check the available space in your control cabinet against the device dimensions of 96 x 95 x 110 mm.
Confirm that a 4-pole configuration is necessary for your specific application.
Always ensure that the switch disconnector is operated within its specified technical limits to maintain safety and equipment longevity. Regular inspections of the terminal connections are recommended to ensure they remain tight and free from corrosion.

## Specifications

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -25 - 55 |
| Pollution degree | 3 |
| Power dissipation | 9.2 W |
| Short-time withstand current | 3500 |
| Compliance certificates | UKCA, EAC, CE, CCC |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 129 mm |
| Package height | 98 mm |
| Package width | 120 mm |

### Design

| Feature | Value |
|---|---|
| Certification | IEC 81346-2 Q |
| Product colour | Grey |
| International Protection (IP) code | IP10 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.475 kg |
| Height | 110 mm |
| Width | 96 mm |
| Depth | 95 mm |

### Power

| Feature | Value |
|---|---|
| Input voltage | 750 / 690 |
| Rated current | 63 A |

### Features

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -5 - 40 |
| Number of poles | 4 |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | China |

## FAQ

### How much does the Siemens 3KD0342-2LG20-3 4-Pole Switch Disconnector cost, and is it available for purchase?

The price is 95.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Siemens 3KD0342-2LG20-3 4-Pole Switch Disconnector be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12463145/68769605_large.webp