# LS MT-63 42A Thermal Overload Relay 34-50A

**URL:** https://aio.lv/en/product--ls-mt-63-42a--12458450
**Data updated:** 2026-05-18 09:35 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** LS
**Manufacturer code:** MT-63 42A
**EAN:** 8809254861052
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 55.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 46.27 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ls-mt-63-42a--12458450

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The LS MT-63 42A thermal overload relay is designed for reliable motor protection against overloads and phase failures. It features an adjustable current range of 34-50A, ensuring precise operation for industrial electrical systems. This durable component provides essential safety for electrical circuits, preventing damage from excessive current draw in various automation and control applications.

## Long description

The LS MT-63 42A thermal overload relay is a high-quality protective device engineered to safeguard electric motors from damage caused by overloads and phase failures. With an adjustable current setting range of 34 to 50 amperes, this relay offers precise control for industrial electrical systems, ensuring that motors operate within safe parameters and preventing costly downtime or equipment failure.
Advantages
This thermal overload relay stands out due to its robust construction and reliable performance in demanding industrial environments. It provides consistent protection against thermal stress, effectively monitoring current draw to prevent overheating. The adjustable dial allows for fine-tuning the protection level to match specific motor requirements, while the integrated design ensures seamless compatibility with compatible contactors, simplifying installation and maintenance processes in complex control panels.
Suitable for
Industrial motor control centers
Automation and control systems
HVAC equipment and pump control
Conveyor belt motor protection
Manufacturing machinery
When it may not be suitable
This device is not intended for use in circuits exceeding its specified current range of 34-50A. It is also not suitable for applications requiring short-circuit protection, as it is designed specifically for thermal overload and phase failure monitoring, not as a replacement for fuses or circuit breakers.
Key specifications
Adjustable current range: 34-50A
Protection type: Thermal overload and phase failure
Mounting: Contactor-mounted
Application: Industrial motor protection
How to use
The relay is designed to be mounted directly onto the corresponding contactor. Once installed, the current setting should be adjusted using the front-facing dial to match the full-load current rating of the motor being protected. Ensure all electrical connections are tightened to the specified torque settings before energizing the circuit. The device features a manual or automatic reset function that can be configured based on the specific operational needs of the system.
What to consider before purchase
Verify the full-load current rating of your motor falls within the 34-50A range.
Ensure compatibility with your existing contactor model.
Check the environmental conditions of the installation site to ensure they meet the device's operating specifications.
Usage recommendations
Regularly inspect the relay for signs of wear and perform periodic testing of the trip function to ensure the motor remains protected against potential electrical faults.

## FAQ

### How much does the LS MT-63 42A Thermal Overload Relay cost, and is it available for purchase?

The price is 55.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 06.07.2026 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. All transactions are 100% secure and encrypted.

### 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 LS 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 LS 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

## Image

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