# LS MMS-63S Motor Circuit Breaker, 45-63A

**URL:** https://aio.lv/en/product--ls-mms-63s-63a--12468560
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Control Systems
**Manufacturer:** LS
**Manufacturer code:** MMS-63S 63A
**EAN:** 8809808741113
**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-63a--12468560

## 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 motor circuit breaker is a reliable protection device designed for electrical motors with a current range of 45 to 63A. It provides essential protection against overloads and short circuits, ensuring safe operation in industrial and commercial electrical systems. This compact unit is engineered for high performance, durability, and easy integration into control panels, offering precise thermal and magnetic trip characteristics for motor safety.

## Long description

The LS MMS-63S motor circuit breaker is a robust and reliable protection device specifically engineered for electrical motors operating within a current range of 45 to 63A. This compact unit serves as a critical component in industrial and commercial electrical systems, providing essential safeguards against overloads and short circuits. By integrating precise thermal and magnetic trip characteristics, it ensures the longevity and safe operation of connected motor equipment, making it a dependable choice for demanding electrical control environments.
Advantages
This motor circuit breaker offers high performance and durability, ensuring consistent protection for motor circuits under various operational conditions. Its compact design allows for efficient space utilization within control panels, facilitating easier installation and integration into existing electrical infrastructures. The device is built to provide accurate response times to electrical faults, effectively preventing damage to motors and minimizing downtime in industrial processes.
Suitable for
Industrial motor control systems
Commercial HVAC equipment protection
Manufacturing machinery power management
Pump and compressor motor circuits
When it may not be suitable
This device is not intended for applications where the motor current falls outside the 45 to 63A range, as it will not provide the correct protection settings. It is also not suitable for use in environments with extreme moisture or corrosive gases unless housed in an appropriately rated protective enclosure.
Key specifications
Current adjustment range: 45 to 63A
Protection type: Thermal and magnetic trip
Application: Motor protection
Design: Compact modular unit
How to use
The LS MMS-63S should be installed by a qualified professional within a suitable electrical control panel. Ensure that the supply voltage matches the device specifications before mounting it onto a standard DIN rail. Once installed, the current setting should be adjusted to match the nominal current of the motor being protected. After wiring, the device can be operated manually using the front-mounted switch to start or stop the motor or to reset the breaker after a trip event.
What to consider before purchase
Verify that the motor's full-load current falls within the 45-63A range.
Ensure the control panel has sufficient space for the unit dimensions.
Confirm compatibility with the existing electrical distribution system.
Usage recommendations
Regularly inspect the device for signs of wear and ensure that the connections remain tight to prevent overheating. If a trip occurs, investigate the cause of the overload or short circuit before resetting the breaker to ensure the motor and wiring are not damaged.

## FAQ

### How much does the LS MMS-63S Motor Circuit Breaker 45-63A 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 — 18 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 Motor Circuit Breaker 45-63A 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/12468560/68771172_large.webp