# Electrical enclosure accessory Rittal 4050.850 handspanner, black, accessory for enclosures

**URL:** https://aio.lv/en/product--rittal-4050850--12401098
**Data updated:** 2026-04-29 13:49 (EEST)
**Category:** Furniture Accessories
**Manufacturer:** Rittal
**Manufacturer code:** 4050850
**EAN:** 4028177704459
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 70.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 58.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4050850--12401098

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Rittal 4050.850 is a black electrical enclosure accessory (handspanner) designed for secure fastening and adjustment of enclosure panels and components. Supplied as a single accessory (MPN 4050850), it weighs approximately 260 g and is intended for industrial and electrical cabinet applications where reliable panel tensioning and ergonomic operation are required.

## Long description

Rittal 4050.850 handspanner is a black electrical enclosure accessory designed to provide controlled tensioning and secure fastening of panels and components in industrial and electrical cabinets. Manufactured for use with enclosures and compatible machining systems, this compact handspanner offers a simple mechanical solution for clamping and adjusting cover panels where ergonomic manual operation and reliable holding force are required.
Advantages
The handspanner delivers consistent panel tension and secure clamping through a compact, manually operated mechanism. Its black finish and robust construction are suited to repeated use in industrial environments. Lightweight and supplied as a single unit, the accessory is easy to install and operate, reducing the need for additional tools during routine access, maintenance, or adjustment of enclosure panels.
Suitable for (tasks / use cases)
Manual clamping and tensioning of electrical enclosure panels
Secure fastening of internal components in distribution and control cabinets
Use with Perforex BC machining centres for panel processing and assembly
Maintenance tasks requiring frequent opening and secure repositioning of covers
When it may not be suitable
The handspanner is intended for manual operation and is not designed for automated or high-torque mechanised tightening tasks. It may not be appropriate where precise torque calibration or electronic torque control is required. For very large panels or applications demanding specialised sealing, additional fasteners or different fastening systems may be necessary.
Key specifications
Color: black
Weight: approximately 260 g
Type: manual handspanner / cam clamp for enclosure panels
Intended use: panel clamping and tensioning in electrical enclosures and cabinets
Compatibility: suitable for use with Perforex BC machining centres and standard enclosure assemblies
How to use
Mount the handspanner to the enclosure or designated bracket according to the enclosure manufacturer's mounting points. Operate the cam mechanism by hand to apply tension or release it when access is required. Ensure the clamped panel is aligned correctly before tightening to avoid misalignment or damage. Periodically check the accessory for wear and secure mounting to maintain reliable clamping performance.
What to consider before purchase
Verify mechanical compatibility with your enclosure model and mounting points
Confirm that manual operation meets your torque and access requirements
Assess whether additional fasteners or sealing elements are needed for your application
Consider intended frequency of use and environmental conditions when selecting material and finish
Usage recommendations
For reliable, long-term use, install the handspanner according to the enclosure manufacturer's instructions, avoid over-torquing by hand, and inspect the mechanism periodically. Use the accessory for regular manual access and tensioning tasks; for automated processes or precise torque control, select a dedicated torque-controlled fastening solution.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.26 kg |
| Package weight | 271 g |
| Quantity | 1 |
| Product colour | Black |

## FAQ

### How much does the Rittal 4050.850 electrical enclosure handspanner cost, and is it available for purchase?

The price is 70.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 93 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 15.07.2026 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

### Where can I download the instructions for Rittal 4050.850 electrical enclosure handspanner?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12401098/68689678_large.webp