# Three-phase motor starter switch Spamel ŁK40-4.831OB3 0-Y-Δ 40A in enclosure

**URL:** https://aio.lv/en/product--spamel-lk40-4831ob3--12397597
**Data updated:** 2026-04-27 22:30 (EEST)
**Category:** Power Sockets
**Manufacturer:** Spamel
**Manufacturer code:** ŁK40-4.831OB3
**EAN:** 5907723000711
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 72.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 59.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--spamel-lk40-4831ob3--12397597

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Spamel ŁK40-4.831OB3 is a three-phase motor starter switch with 0-Y-Δ (star–delta) configuration rated for 40A, supplied in a protective enclosure. Designed to provide reduced starting current and smooth motor acceleration, it is intended for industrial and commercial electric motors requiring star-delta starting. Suits applications where controlled ramp-up and reliable phase switching are needed.

## Long description

Spamel ŁK40-4.831OB3 is a three-phase motor starter switch in a protective enclosure, configured for 0–Y–Δ (star–delta) starting and rated for 40 A. The unit is designed for reducing inrush current and enabling a controlled change between star and delta connections during motor start-up. Supplied in a robust enclosure, this starter switch is intended for industrial and commercial electric motors where staged starting and reliable phase switching are required.
Advantages
The starter switch provides a standard star–delta starting method that limits starting current and reduces mechanical stress on the motor and driven equipment. Housed in an enclosure, it offers protection against dust and incidental contact while simplifying installation in control panels or machine frames. The 40 A rating supports a range of small to medium three-phase motors and the built-in switching sequence ensures consistent transition from star to delta configuration.
Suitable for
 Starting three-phase induction motors in industrial drives
 Pumps, fans and compressors requiring reduced starting torque and current
 Workshops and light manufacturing equipment with star–delta start requirement
 Retrofit or replacement of existing star–delta starter installations
When it may not be suitable
This starter is not suitable for motors that require electronic soft-start or variable-frequency drive (VFD) control for precise speed or torque regulation. It may also be inappropriate for installations where full direct-on-line starting is mandatory or where motor ratings exceed the thermal and current limits implied by a 40 A star–delta starter.
Key specifications
 Starting method: 0–Y–Δ (star–delta)
 Rated current: 40 A
 Supply: three-phase mains
 Enclosure: protective housing suitable for panel or wall mounting
 Intended use: reduced starting current and staged phase switching for induction motors
How to use
Install the starter switch according to local electrical regulations and wiring diagrams provided by a qualified electrician. Connect the three-phase supply and motor leads to the designated terminals, secure the enclosure in a dry, ventilated location, and verify control circuit connections for the star–delta transition. After powering up, test the sequence with no load to confirm correct timing and switching before operating under full load. Regular inspections of terminal tightness and enclosure condition are advised.
What to consider before purchase
 Confirm motor voltage and full-load current to ensure compatibility with a 40 A star–delta starter
 Check that star–delta starting is acceptable for the driven equipment and process
 Ensure space and mounting method suit the enclosure dimensions and installation site
 Verify local electrical code requirements and whether additional protection (overload relays, fuses) is needed
Usage recommendations
Use the starter for motors within the appropriate current range and pair it with recommended overload protection. Commission the unit with a no-load test and schedule periodic checks of connections and enclosure integrity to maintain reliable operation.

## FAQ

### How much does the Spamel ŁK40-4.831OB3 three-phase 0-Y-Δ 40A starter cost, and is it available for purchase?

The price is 72.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 45 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 09.07.2026 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 Spamel ŁK40-4.831OB3 three-phase 0-Y-Δ 40A starter 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 Spamel 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 Spamel 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

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