# LSiS MC-75a 3-Pole Contactor, 75A, 37kW, 24V AC Coil, 1NO+1NC Auxiliary Contacts

**URL:** https://aio.lv/en/product--lsis-mc-75a-24vac-1a1b--12450060
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Control Systems
**Manufacturer:** LSiS
**Manufacturer code:** MC-75a 24VAC 1a1b
**EAN:** 8809512825574
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 90.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 75.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lsis-mc-75a-24vac-1a1b--12450060

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The LSiS MC-75a is a high-performance 3-pole industrial contactor designed for reliable power switching. It features a 75A rated current, 37kW power capacity, and a 24V AC control coil. Equipped with 1NO and 1NC auxiliary contacts, this contactor is ideal for motor control and power distribution systems in demanding industrial environments, ensuring safe and efficient electrical circuit management.

## Long description

The LSiS MC-75a is a robust 3-pole industrial contactor engineered for high-performance power switching and reliable electrical circuit management. Designed to handle demanding industrial applications, this contactor supports a rated current of 75A and a power capacity of 37kW, making it a dependable component for motor control and power distribution systems. It operates with a 24V AC control coil and includes integrated 1NO and 1NC auxiliary contacts to facilitate versatile control and monitoring configurations.
Advantages
This contactor offers exceptional durability and consistent performance in heavy-duty environments. Its compact design allows for efficient space utilization within control panels, while the high-quality construction ensures long-term operational reliability. The inclusion of auxiliary contacts provides flexibility for integration into complex automation systems, and the 24V AC coil ensures compatibility with standard low-voltage control circuits, enhancing safety and ease of installation.
Suitable for
Industrial motor control systems
Power distribution and switching applications
Automation and control panel integration
Heating and lighting circuit management
When it may not be suitable
This contactor is not intended for use in high-voltage control circuits exceeding its specified coil voltage. It is also not suitable for environments requiring specialized explosion-proof or submersible equipment, as it is designed for standard industrial enclosure mounting.
Key specifications
Number of poles: 3
Rated current: 75A
Power capacity: 37kW
Control coil voltage: 24V AC
Auxiliary contacts: 1NO + 1NC
How to use
Installation should be performed by a qualified electrician in accordance with local electrical codes. Mount the contactor securely onto a standard DIN rail or mounting plate within a suitable enclosure. Connect the main power lines to the primary terminals and the control circuit wires to the coil terminals. Ensure all connections are tightened to the manufacturer's specified torque settings before applying power to the system.
What to consider before purchase
Verify that the 24V AC control voltage matches your existing control system requirements.
Ensure the 75A current rating is sufficient for the connected load.
Check the available space in your control cabinet for proper heat dissipation.
Confirm that the auxiliary contact configuration meets your feedback or interlocking needs.
Usage recommendations
Regularly inspect the terminal connections for tightness and check for any signs of debris or dust accumulation within the enclosure to maintain optimal performance and prevent overheating.

## FAQ

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

The price is 90.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 14.07.2026 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 3-Pole Contactor 75A 37kW 24V AC 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/12450060/68752845_large.webp