# Circuit breaker module Rittal SV 9666.440 — single unit for switchgear integration

**URL:** https://aio.lv/en/product--rittal-9666440--12401619
**Data updated:** 2026-04-29 13:49 (EEST)
**Category:** Server Parts & Components
**Manufacturer:** Rittal
**Manufacturer code:** 9666440
**EAN:** 4028177676398
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 116.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 96.27 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-9666440--12401619

## 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 SV 9666.440 is a circuit breaker module designed for integration into Rittal switchgear and control cabinets. Supplied as one unit per pack, this module provides overcurrent protection within electrical distribution and industrial control applications. Suitable for use in panel assemblies where a compatible Rittal mounting and connection system is required.

## Long description

Rittal SV 9666.440 is a circuit breaker module intended for integration into Rittal switchgear and control cabinets. Supplied as a single unit, the module is designed to provide overcurrent protection in electrical distribution and industrial control applications where Rittal-compatible mounting and connection systems are used.
Advantages
The module offers a compact form factor that fits directly into compatible Rittal mounting frames, enabling straightforward installation in panel assemblies. Its design focuses on reliable overcurrent protection and clear electrical isolation when tripped. Being a single-unit supply simplifies inventory and replacement procedures for service technicians working on Rittal switchgear.
Suitable for
Integration into Rittal switchgear and control cabinet systems
Overcurrent protection in industrial control panels
Replacement or expansion of circuit protection within Rittal-compatible assemblies
When it may not be suitable
This module is intended specifically for use within Rittal mounting and connection environments; it may not be compatible with non-Rittal or bespoke panel systems that use different mechanical or electrical interfaces. If a specific trip curve, rated current, or coordination with other protective devices is required, verify those parameters in the system design documentation, since the product data provided here does not list detailed protection settings.
Key specifications
Function: circuit breaker module for overcurrent protection
Form factor: single modular unit for integration into switchgear panels
Mounting: compatible with Rittal mounting and connection systems
Supply configuration: sold as one unit per pack
How to use
Install the module into the appropriate Rittal mounting frame according to the cabinet wiring diagram and the manufacturer's mechanical mounting instructions. Connect line and load conductors using the compatible connection points and ensure secure torque on terminals. Coordinate electrical protection settings and upstream/downstream devices as required by the installation's electrical design. After installation, perform insulation and functional tests and verify correct operation under expected load conditions.
What to consider before purchase
Confirm mechanical compatibility with the specific Rittal switchgear or control cabinet model
Verify electrical coordination requirements such as rated current, trip characteristics, and short-circuit ratings in project documentation
Ensure you require a single-unit module and that replacement parts align with the cabinet's layout
Usage recommendations
Use this module only within enclosures and systems designed for Rittal components. Install and commission according to applicable electrical codes and the cabinet manufacturer's guidelines, and perform periodic inspection and testing as part of routine maintenance.

## Specifications

| Feature | Value |
|---|---|
| Package weight | 2540 g |
| Height | 450 mm |
| Width | 500 mm |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Rittal SV 9666.440 circuit breaker module cost, and is it available for purchase?

The price is 116.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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/12401619/68688916_large.webp