# LOVATO Electric SM1R4000 Motor Protection Circuit Breaker, 30-40A, 400V, 20kA

**URL:** https://aio.lv/en/product--lovato-electric-sm1r4000--12447482
**Data updated:** 2026-05-18 02:43 (EEST)
**Category:** Power Sockets
**Manufacturer:** LOVATO Electric
**Manufacturer code:** SM1R4000
**EAN:** 8013975216415
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 129.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 107.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lovato-electric-sm1r4000--12447482

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The LOVATO Electric SM1R4000 is a high-performance motor protection circuit breaker designed for reliable control and protection of electric motors. It features a rotary handle, an adjustable thermal release range of 30-40A, and a breaking capacity of 20kA at 400V. This device ensures efficient short-circuit and overload protection in industrial and commercial electrical systems, providing safety and operational stability for connected equipment.

## Long description

The LOVATO Electric SM1R4000 is a professional-grade motor protection circuit breaker engineered to provide robust control and safety for electric motors in demanding industrial and commercial environments. This device is designed to manage electrical loads effectively, featuring a reliable rotary handle mechanism for manual operation and precise thermal release adjustments to suit specific motor requirements. By integrating advanced short-circuit and overload protection, it ensures the longevity of connected equipment and maintains the stability of electrical distribution systems.
Advantages
This motor protection circuit breaker offers exceptional reliability through its high breaking capacity, which allows it to handle significant fault currents without compromising system integrity. The adjustable thermal release range provides flexibility for various motor sizes, ensuring that protection is tailored to the specific operational needs of the application. Its compact and durable design facilitates easy installation in standard control panels, while the intuitive rotary handle allows for quick and safe manual switching during maintenance or emergency situations.
Suitable for
Industrial motor control centers
Commercial HVAC systems
Pumping stations and irrigation equipment
Conveyor belt drive systems
Manufacturing machinery and automation lines
When it may not be suitable
This device is not intended for use in high-voltage distribution networks exceeding its rated voltage specifications. It is also not suitable for environments where specialized explosion-proof enclosures are required unless installed within a compatible certified housing.
Key specifications
Current adjustment range: 30-40A
Rated operational voltage: 400V
Breaking capacity: 20kA
Operation type: Rotary handle
Protection type: Thermal and magnetic release
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 an electrical enclosure. Once mounted, connect the power supply to the input terminals and the motor leads to the output terminals. Use the rotary handle to switch the device to the ON or OFF position. The thermal release can be calibrated using the adjustment dial on the front panel to match the full-load current of the connected motor.
What to consider before purchase
Verify that the motor full-load current falls within the 30-40A range.
Ensure the system voltage matches the 400V rating.
Check available space in the electrical cabinet for mounting.
Confirm that the breaking capacity meets the requirements of your electrical installation.
Usage recommendations
Regularly inspect the device for signs of wear or thermal damage, especially after a fault trip. Ensure that all terminal connections remain tight to prevent overheating during continuous operation.

## FAQ

### How much does the LOVATO Electric SM1R4000 Motor Protection Circuit Breaker cost, and is it available for purchase?

The price is 129.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 16.07.2026 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 LOVATO Electric SM1R4000 Motor Protection 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 LOVATO Electric 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 LOVATO Electric 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/12447482/68750537_large.webp