# Surge Protector Rittal 7979.721 Type 3, Nominal Output 19 A, Black

**URL:** https://aio.lv/en/product--rittal-7979721--12400594
**Data updated:** 2026-04-29 13:48 (EEST)
**Category:** PDU
**Manufacturer:** Rittal
**Manufacturer code:** 7979721
**EAN:** 4028177948525
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 183.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 151.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-7979721--12400594

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.99 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Rittal 7979.721 is a Type 3 surge protector designed to protect electrical equipment from transient overvoltages. It has a nominal output current of 19 A and a black housing. Intended for installation in power distribution setups and PDUs to safeguard sensitive devices, it is suitable for industrial and commercial electrical panels.

## Long description

The Rittal 7979.721 Type 3 surge protector is a compact overvoltage protection module designed to protect terminal equipment and sensitive devices from transient overvoltages. Housed in a black enclosure and intended for mounting on an enclosure frame or within power distribution setups and PDUs, this device represents the final stage in a multi-tier surge protection strategy. It provides ready-to-connect protection with visual status indication and a floating alarm contact for remote monitoring.
Advantages
This Type 3 module offers a maintenance-friendly plug-in design that allows faulty arresters to be replaced without interrupting the supply, increasing availability for connected equipment. The unit is delivered fully wired and ready for immediate connection on TN-S networks, saving installation time. Optical status monitoring on the arrester and a floating alarm contact enable quick fault identification and integration with building services management systems. Its compact design enables space-saving assembly in electrical panels.
Suitable for
 Protection of terminal equipment and end devices in industrial and commercial electrical panels
 Installation in PDUs and enclosure frames as the last stage of surge protection
 Applications requiring visual status indication and remote alarm signalling
When it may not be suitable
The Rittal 7979.721 is a Type 3 (point-of-use) protector and is intended as the final stage of a coordinated surge protection system; it does not replace the need for Type 1 or Type 2 devices upstream in the building installation or main power distribution. It is also designed for nominal output current of 19 A — installations requiring higher continuous current ratings or full facility primary protection should use appropriately rated Type 1/2 devices or different modules.
Key specifications
 Surge protection class: Type 3 (point-of-use / terminal equipment)
 Nominal output current: 19 A
 Housing colour: Black
 Mounting: enclosure frame / panel mounting
 Status indication: optical indicator on arrester
 Alarm output: floating alarm contact for status signalling
 Connection paths: L/N and N/PE
 Design: compact, plug-in protective modules for easy replacement
 Weight: 1.6 kg
How to use
Mount the module on the enclosure frame or inside the distribution panel in the intended location for point-of-use protection. Connect the L/N and N/PE paths according to the installation manual and local wiring regulations, ensuring that upstream Type 1 or Type 2 surge protective devices are present as required. Verify optical status indication after powering the unit and connect the floating alarm contact to the building services management system or monitoring equipment if remote alerts are needed. Replace faulty plug-in arresters following manufacturer instructions to maintain protection without interrupting the power supply.
What to consider before purchase
 Requires upstream Type 1 or Type 2 surge protection for coordinated system protection
 Nominal output current is 19 A — confirm compatibility with the load and panel circuits
 Intended for enclosure-frame/panel mounting and TN-S networks — check site earthing and network type
 Check required number of phases and variant (single-phase/three-phase) for your installation
Usage recommendations
Use the Rittal 7979.721 as the final, point-of-use stage in a layered surge protection concept. Keep spare plug-in arresters on hand for quick replacement and integrate the floating alarm contact into your monitoring system to detect and respond to status changes promptly.

## Specifications

| Feature | Value |
|---|---|
| Nominal current output | 19 A |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.6 kg |
| Height | 75 mm |
| Width | 44 mm |
| Depth | 250 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 2080 g |

## FAQ

### How much does the Rittal 7979.721 Surge Protector Type 3 19 A cost, and is it available for purchase?

The price is 183.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 23 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 22.07.2026 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12400594/68690336_large.webp