# Industrial LED cabinet light Rittal SZ 4140.840, white, compact system light

**URL:** https://aio.lv/en/product--rittal-4140840--12400446
**Data updated:** 2026-04-29 13:48 (EEST)
**Category:** LED accessories
**Manufacturer:** Rittal
**Manufacturer code:** 4140840
**EAN:** 4028177630154
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 164.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 135.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4140840--12400446

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Rittal SZ 4140.840 is a compact LED system light in white designed for industrial enclosures and control cabinets. Supplied as a single unit, it provides task illumination inside electrical cabinets and machine housings. Suitable for retrofit or new installations where reliable, space-saving interior lighting for panels and racks is required.

## Long description

Rittal SZ 4140.840 is a compact industrial LED cabinet light in white designed to provide efficient interior illumination for electrical enclosures, control cabinets and machine housings. Supplied as a single unit, this system light fits into tight spaces and is intended for retrofit or new installations where uniform, task-oriented lighting is required. The design emphasises low-profile mounting and energy-efficient LED performance to improve visibility of components, wiring and control elements inside panels.
Advantages
The compact LED module delivers consistent, glare-minimised illumination while consuming little power and producing minimal heat. Its white housing integrates with standard cabinet interiors and allows simple replacement or addition of lighting without major modifications. The unit is designed for reliable continuous operation in industrial environments and offers improved visibility for inspection, wiring and maintenance tasks.
Suitable for
Illuminating electrical control cabinets and distribution panels
Lighting machine housings and equipment enclosures
Retrofit upgrades where space is limited
Work areas inside racks, switchgear and instrumentation cabinets
When it may not be suitable
This compact cabinet light is intended for interior task illumination and may not be suitable as the primary room lighting source in large service areas. It is designed for use inside enclosures; outdoor or unprotected installation without appropriate housing or conformal protection is not recommended.
Key specifications
Light source: LED
Colour: white housing, neutral illumination suitable for technical interiors
Form factor: compact system light for cabinet mounting
Supply: supplied as a single unit for direct installation
Application: interior lighting for enclosures, control cabinets and machine housings
How to use
Install the Rittal SZ 4140.840 inside the enclosure at a position that provides even illumination of the working area. Mounting is performed according to the cabinet manufacturer’s instructions and local electrical regulations. Connect the unit to the appropriate control cabinet power supply using the correct wiring and protective devices. Place the light to avoid direct glare into the operator’s eyes and to illuminate wiring ducts, terminal strips and control elements.
What to consider before purchase
Verify cabinet internal dimensions and available mounting points to ensure the compact light fits the intended location
Confirm compatible supply voltage and connection method with your cabinet power system
Assess whether the unit’s interior-only design meets your environmental and protection requirements
Check whether multiple units are needed for uniform illumination of larger enclosures
Usage recommendations
For consistent task lighting, place the LED module to minimise shadows on terminals and controls; combine multiple units for larger cabinets and follow Rittal mounting guidelines and applicable electrical safety standards during installation.

## Specifications

| Feature | Value |
|---|---|
| Package weight | 440 g |
| Compatibility | TS, SE, AE, CM, TP |
| Height | 32.8 mm |
| Width | 530 mm |
| Depth | 20.64 mm |
| Product colour | White |
| Quantity per pack | 1 pc(s) |
| Harmonized System (HS) code | 85389099 |

## FAQ

### How much does the Rittal SZ 4140.840 LED cabinet light cost, and is it available for purchase?

The price is 164.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 241 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 23.07.2026 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. All transactions are 100% secure and encrypted.

### 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 Rittal 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 Rittal 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/12400446/68690497_large.webp