# F&F STP-541 Dual Channel Time Relay 2x16A, 1s-99h, 24-264V AC/DC

**URL:** https://aio.lv/en/product--ff-stp-541--12460157
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Control Systems
**Manufacturer:** FF
**Manufacturer code:** STP-541
**EAN:** 5908312596141
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 69.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 57.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-stp-541--12460157

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The F&F STP-541 is a dual-channel time relay designed for precise time control in electrical systems. It features two 16A outputs and a wide adjustable time range from 1 second to 99 hours. Compatible with a universal supply voltage of 24-264V AC/DC, this relay is suitable for industrial and residential automation, providing reliable switching performance for various timing applications.

## Long description

The F&F STP-541 is a versatile dual-channel time relay engineered for precise temporal control within electrical installations. This device manages two independent outputs, each rated for 16A, allowing for sophisticated automation sequences. With a broad adjustable time range spanning from 1 second to 99 hours, it offers flexibility for both short-interval tasks and long-duration operations. The unit is designed to operate on a universal supply voltage range of 24-264V AC/DC, ensuring compatibility with a wide variety of power systems in both residential and industrial environments.
Advantages
The primary benefit of the F&F STP-541 is its dual-channel architecture, which enables the independent control of two separate circuits using a single compact device. Its wide-range timing capability eliminates the need for multiple specialized relays, simplifying system design and reducing installation space. The universal voltage compatibility makes it highly adaptable, as it functions seamlessly across diverse electrical infrastructures without requiring specific voltage-matching components. Furthermore, the robust 16A output capacity ensures reliable switching performance for demanding loads, providing long-term operational stability.
Suitable for
Industrial automation and process control systems
Residential lighting and ventilation timing
Sequential switching of electrical equipment
Delayed start or stop functions for motors and pumps
Energy management and load shedding applications
This relay may not be suitable for applications requiring extremely high-frequency switching cycles that exceed the mechanical or electrical life ratings of the internal relays. It is also not intended for use in environments with extreme moisture, corrosive gases, or excessive vibration, which could compromise the integrity of the electronic components.
Key specifications
Dual-channel output configuration
Output current rating: 2x16A
Adjustable time range: 1 second to 99 hours
Universal supply voltage: 24-264V AC/DC
Compact modular design for standard mounting
To use the F&F STP-541, mount the device onto a standard rail within an electrical enclosure. Connect the power supply to the designated input terminals, ensuring the voltage is within the specified 24-264V AC/DC range. Wire the controlled loads to the output terminals according to the desired switching logic. Use the integrated interface to set the required time intervals for each channel. Once configured, the relay will automatically manage the connected circuits based on the programmed timing parameters.
What to consider before purchase
Verify that the total load current does not exceed the 16A rating per channel
Ensure the installation environment meets the required temperature and humidity standards
Confirm that the timing range is appropriate for your specific automation task
Check that the control logic aligns with your system requirements
For optimal performance and longevity, ensure that all electrical connections are tightened securely and that the device is protected from environmental contaminants. Regularly inspect the relay for signs of wear if used in high-duty cycle applications.

## FAQ

### How much does the F&F STP-541 Dual Channel Time Relay cost, and is it available for purchase?

The price is 69.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 06.07.2026 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. 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 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/12460157/68762130_large.webp