# FF OM-633 Power Consumption Limiter with Voltage Relay Function

**URL:** https://aio.lv/en/product--ff-om-633--12496720
**Data updated:** 2026-06-04 21:38 (EEST)
**Category:** Other goods
**Manufacturer:** FF
**Manufacturer code:** OM-633
**EAN:** 5908312597247
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 77.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 64.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-om-633--12496720

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The FF OM-633 is a dual-function power consumption limiter integrated with a voltage relay. Designed for electrical systems, it monitors power usage and protects equipment by disconnecting the circuit when set limits are exceeded or voltage anomalies occur. This reliable device ensures grid stability and prevents overloads in residential or industrial installations, providing essential control over energy consumption and circuit safety.

## Long description

The FF OM-633 is a sophisticated dual-function device designed to serve as both a power consumption limiter and a voltage relay. By continuously monitoring the electrical parameters of a circuit, this unit ensures that power usage remains within predefined limits while simultaneously protecting connected equipment from voltage fluctuations. It is an essential component for maintaining grid stability and preventing damage caused by overloads or unstable power supply in various electrical installations.
Advantages
This device offers a comprehensive solution for energy management and circuit protection in a single compact housing. Its dual functionality reduces the need for multiple separate components, simplifying the installation process and saving space in electrical distribution boards. The high precision of the monitoring system ensures reliable operation, effectively preventing circuit breakers from tripping due to temporary overloads while protecting sensitive electronics from voltage spikes or drops.
Suitable for
Residential electrical systems to prevent main fuse tripping
Industrial installations requiring strict power consumption control
Protection of sensitive electronic equipment against voltage anomalies
Managing energy usage in facilities with limited power supply capacity
This device may not be suitable for high-voltage industrial grids exceeding its specified operational range or for applications requiring complex smart-grid communication features. It is designed for standard electrical distribution systems and should not be used as a primary safety disconnect for high-power machinery that requires specialized industrial-grade protection relays.
Key specifications
Dual-function: Power consumption limiter and voltage relay
Monitors active power consumption
Protects against voltage drops and surges
Designed for standard electrical distribution boards
Ensures circuit stability and overload prevention
To use the FF OM-633, it must be installed by a qualified electrician within the main distribution board. The device is wired in series with the load it is intended to monitor and protect. Once installed, the specific power thresholds and voltage limits are configured via the device interface according to the requirements of the connected circuit. The unit then operates automatically, monitoring the line and disconnecting the circuit if the configured parameters are breached.
What to consider before purchase
Verify that the device's power and voltage ratings match your electrical installation
Ensure there is sufficient space in your distribution board for installation
Confirm that the device meets the specific protection requirements of your equipment
Professional installation is required for safe and correct operation
Usage recommendations
Regularly inspect the device status indicators to ensure it is operating within the expected parameters. If the device frequently disconnects the circuit, review the load distribution in your installation to ensure it does not exceed the capacity of your power supply.

## FAQ

### How much does the FF OM-633 Power Consumption Limiter and Voltage Relay cost, and is it available for purchase?

The price is 77.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 03.07.2026 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 FF OM-633 Power Consumption Limiter and Voltage Relay 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 FF 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 FF 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/12496720/68827915_large.webp