# LS MMS-63S 50A Motor Circuit Breaker 34-50A

**URL:** https://aio.lv/en/product--ls-mms-63s-50a--12445308
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Control Systems
**Manufacturer:** LS
**Manufacturer code:** MMS-63S 50A
**EAN:** 8809808741106
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 100.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 83.05 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ls-mms-63s-50a--12445308

## 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 MMS-63S 50A is a high-performance motor circuit breaker designed for the protection and control of electric motors. With an adjustable thermal release range of 34-50A, it provides reliable protection against overloads and short circuits. This compact device is essential for industrial and commercial motor applications, ensuring operational safety and equipment longevity in various electrical systems.

## Long description

The LS MMS-63S 50A motor circuit breaker is a robust electrical component engineered to provide comprehensive protection and control for electric motors. This device is specifically designed to manage electrical currents within the 34-50A range, offering a reliable solution for preventing damage caused by overloads and short circuits. Its compact design allows for efficient integration into various electrical panels and motor control centers, ensuring that industrial and commercial machinery operates safely and consistently.
Advantages
The primary benefit of this motor circuit breaker is its precise thermal release adjustment, which allows users to tailor the protection level to the specific requirements of their motor. By effectively detecting and interrupting abnormal current flows, it significantly reduces the risk of motor burnout and electrical fires. The device is built with high-quality materials that ensure durability and long-term performance in demanding environments. Furthermore, its compact footprint saves valuable space in control cabinets, making it an ideal choice for modern electrical installations where space optimization is critical.
Suitable for
Industrial motor control systems
Commercial HVAC equipment
Pump and compressor protection
Manufacturing machinery and conveyor systems
When it may not be suitable
This device is not intended for use in circuits exceeding its rated current range of 34-50A, as it will not provide the necessary protection for higher-load applications. Additionally, it is not designed for outdoor environments without an appropriate protective enclosure, as it requires protection from moisture, dust, and extreme weather conditions.
Key specifications
Rated current range: 34-50A
Function: Overload and short-circuit protection
Design: Compact motor circuit breaker
Application: Industrial and commercial motor control
How to use
Installation should be performed by a qualified electrician in accordance with local electrical codes. The device is typically mounted on a standard DIN rail within a control cabinet. Once mounted, the motor leads are connected to the terminals, ensuring all connections are tightened to the manufacturer's specified torque. After installation, the thermal release dial should be adjusted to the specific full-load current rating of the motor being protected. Regular testing of the trip mechanism is recommended to ensure the device remains functional.
What to consider before purchase
Verify that the motor's full-load current falls within the 34-50A range
Ensure the installation environment is dry and free from excessive dust
Confirm compatibility with existing DIN rail mounting systems
Check that the voltage ratings of the circuit match the device specifications
Usage recommendations
Always disconnect the power supply before performing any installation or maintenance work on the circuit breaker. Periodically inspect the terminals for signs of heat damage or loose connections to maintain optimal safety and performance.

## FAQ

### How much does the LS MMS-63S 50A Motor Circuit Breaker cost, and is it available for purchase?

The price is 100.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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, Installment. All transactions are 100% secure and encrypted.

### Can LS MMS-63S 50A Motor Circuit Breaker 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 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

https://aio.lv/img/cache/product/12445308/68748528_large.webp