# LSiS MC-75a Contactor 75A 3-Pole 37kW 24V DC 1NO 1NC

**URL:** https://aio.lv/en/product--lsis-mc-75a-24vdc-1a1b--12449330
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Control Systems
**Manufacturer:** LSiS
**Manufacturer code:** MC-75a 24VDC 1a1b
**EAN:** 8809512827158
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 127.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 105.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lsis-mc-75a-24vdc-1a1b--12449330

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The LSiS MC-75a is a high-performance 3-pole industrial contactor designed for reliable power switching in electrical systems. It features a 75A rated current, 37kW power capacity, and a 24V DC control coil. Equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, this device is ideal for motor control and automation applications requiring robust performance and long-term operational stability in demanding industrial environments.

## Long description

The LSiS MC-75a is a high-performance 3-pole industrial contactor engineered for efficient and reliable power switching in demanding electrical systems. Designed to handle a rated current of 75A and a power capacity of 37kW, this contactor ensures consistent performance in heavy-duty industrial environments. It operates with a 24V DC control coil and includes integrated auxiliary contacts, making it a versatile component for complex automation and motor control setups.
Advantages
This contactor offers exceptional operational stability and durability, which are essential for maintaining continuous production processes. Its robust construction minimizes wear and tear, ensuring a long service life even under frequent switching cycles. The inclusion of both normally open and normally closed auxiliary contacts provides enhanced flexibility for feedback and interlocking circuits, simplifying the integration into existing control panels and electrical architectures.
Suitable for
Industrial motor control systems
Automation and process control equipment
Power distribution and switching panels
Heating and lighting control circuits
When it may not be suitable
This device is not intended for use in high-voltage applications exceeding its specified ratings or in environments with extreme moisture or corrosive gases without appropriate protective enclosures. It is also not suitable for AC control voltage systems, as it is specifically designed for 24V DC operation.
Key specifications
Rated current: 75A
Number of poles: 3
Power capacity: 37kW
Control coil voltage: 24V DC
Auxiliary contacts: 1 normally open (NO), 1 normally closed (NC)
How to use
Installation should be performed by a qualified electrician in accordance with local electrical codes. The contactor is typically mounted on a standard DIN rail or via screw mounting within an electrical cabinet. Connect the main power lines to the primary terminals and the 24V DC control signal to the coil terminals. Ensure all connections are tightened to the manufacturer's specified torque to prevent overheating. Once installed, verify the auxiliary contact logic to ensure it matches the requirements of your control system before applying full load.
What to consider before purchase
Verify that your control system provides a stable 24V DC supply.
Ensure the 37kW power rating is sufficient for your specific motor or load.
Check the available space in your control cabinet for mounting.
Confirm that the auxiliary contact configuration meets your interlocking needs.
Usage recommendations
Regularly inspect the terminal connections for tightness and check for any signs of dust or debris accumulation within the contactor housing to ensure optimal electrical conductivity and prevent overheating during prolonged operation.

## FAQ

### How much does the LSiS MC-75a Contactor 75A 3P 37kW 24V DC cost, and is it available for purchase?

The price is 127.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 13.07.2026 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 LSiS MC-75a Contactor 75A 3P 37kW 24V DC 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 LSiS 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 LSiS 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/12449330/68752180_large.webp