# LS MMS-100A Motor Circuit Breaker, 55-75A

**URL:** https://aio.lv/en/product--ls-mms-100a-75a--12469913
**Data updated:** 2026-05-18 09:27 (EEST)
**Category:** Power Sockets
**Manufacturer:** LS
**Manufacturer code:** MMS-100A 75A
**EAN:** 8809808741601
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 163.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 135.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ls-mms-100a-75a--12469913

## 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-100A motor circuit breaker is a high-performance protective device designed for motors with a current range of 55-75A. It provides reliable protection against overloads, short circuits, and phase failures in industrial electrical systems. This compact unit ensures safe motor operation and control, featuring high breaking capacity and easy installation for demanding electrical applications.

## Long description

The LS MMS-100A motor circuit breaker is a robust protective device engineered to safeguard electric motors operating within a current range of 55-75A. This high-performance unit is designed for industrial electrical systems, providing essential protection against overloads, short circuits, and phase failures. Its compact design allows for efficient space utilization in control panels while maintaining high breaking capacity to handle demanding electrical environments.
Advantages
The primary benefit of the LS MMS-100A is its ability to provide comprehensive motor protection in a single, integrated device. By combining overload and short-circuit protection, it simplifies the design of motor control circuits and reduces the need for additional components. The device is built for reliability and durability, ensuring consistent performance even in challenging industrial conditions. Its straightforward installation process and user-friendly interface make it an ideal choice for technicians and engineers looking for efficient motor management solutions.
Suitable for
Industrial motor control centers
Protection of three-phase induction motors
HVAC systems and ventilation equipment
Pumping stations and water treatment facilities
Conveyor systems and manufacturing machinery
When it may not be suitable
This motor circuit breaker is specifically calibrated for a current range of 55-75A and is not suitable for motors operating outside of these parameters. It is intended for industrial applications and may not be appropriate for residential or low-voltage household appliances that require different protection characteristics.
Key specifications
Current adjustment range: 55-75A
Protection functions: Overload, short-circuit, and phase failure
Application: Industrial motor control
Design: Compact, modular construction
How to use
The LS MMS-100A should be installed by a qualified electrician within a suitable electrical enclosure. Mount the device onto a standard DIN rail or directly to the panel backplate as required. Connect the power supply cables to the input terminals and the motor leads to the output terminals, ensuring all connections are tightened to the specified torque. Once installed, adjust the current setting dial to match the rated full-load current of the connected motor. Test the device functionality using the integrated test mechanism before putting the system into full operation.
What to consider before purchase
Verify that the motor full-load current falls within the 55-75A range
Ensure the enclosure provides adequate protection against environmental factors
Check compatibility with existing control panel dimensions
Confirm that the supply voltage matches the device ratings
Usage recommendations
Regularly inspect the device for signs of wear or thermal damage. Periodically test the trip mechanism to ensure the protection functions remain active and responsive. Always disconnect the power supply before performing any maintenance or adjustments to the circuit breaker.

## FAQ

### How much does the LS MMS-100A Motor Circuit Breaker 55-75A cost, and is it available for purchase?

The price is 163.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 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-100A Motor Circuit Breaker 55-75A 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/12469913/68772680_large.webp