# FF CKF-316-TRMS Microprocessor Phase Sequence and Loss Monitor for DIN Rail Mounting

**URL:** https://aio.lv/en/product--ff-ckf-316-trms--12451431
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** FF
**Manufacturer code:** CKF-316-TRMS
**EAN:** 5902431673578
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 32.22 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-ckf-316-trms--12451431

## 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 FF CKF-316-TRMS is a microprocessor-based phase sequence and loss monitor designed for industrial and residential electrical systems. It features True RMS measurement for high accuracy in monitoring three-phase networks. The device protects electrical equipment by detecting phase loss or incorrect phase sequence, ensuring safe operation. It is designed for standard 35mm DIN rail mounting, providing reliable protection for motors and sensitive electronics.

## Long description

The FF CKF-316-TRMS is a high-precision microprocessor-based phase sequence and loss monitor engineered for the reliable protection of three-phase electrical installations. By utilizing True RMS measurement technology, this device ensures accurate monitoring of voltage parameters even in environments with distorted waveforms. It is specifically designed to safeguard sensitive electrical equipment, motors, and industrial machinery by continuously analyzing the integrity of the power supply and disconnecting the circuit if phase loss or incorrect phase sequence is detected.
Advantages
The primary benefit of this monitor is its ability to provide real-time, precise diagnostics of three-phase networks using advanced microprocessor control. The implementation of True RMS measurement allows the device to maintain high accuracy regardless of the harmonic content in the power line, which is essential for modern industrial applications. Its compact design for standard 35mm DIN rail mounting facilitates easy integration into existing electrical cabinets and distribution boards, while the robust construction ensures long-term operational stability and safety for connected electrical loads.
Suitable for
Industrial motor control systems
Residential three-phase power distribution boards
Protection of sensitive electronic equipment in commercial buildings
HVAC systems and pump control panels
Automation and control cabinets
When it may not be suitable
This device is intended exclusively for three-phase electrical networks and will not function in single-phase systems. It is not designed for high-voltage transmission lines or environments where the operating voltage exceeds the specified technical limits of the unit.
Key specifications
Measurement method: True RMS
Mounting type: 35mm DIN rail
Monitored parameters: Phase sequence and phase loss
Network type: Three-phase
Control technology: Microprocessor-based
How to use
Installation should be performed by a qualified electrician in accordance with local safety regulations. The device must be mounted on a standard 35mm DIN rail within an electrical enclosure. Connect the three-phase supply lines to the designated input terminals according to the wiring diagram provided with the unit. Once installed, the device automatically begins monitoring the phase sequence and presence. If the parameters are within the nominal range, the internal relay will engage to allow power to the load. If a fault is detected, the relay will open to disconnect the equipment, preventing potential damage.
What to consider before purchase
Verify that your electrical network is a three-phase system.
Ensure the available space on the DIN rail is sufficient for the device dimensions.
Confirm that the operating voltage of your network matches the device specifications.
Check if your application requires additional protection features beyond phase sequence and loss monitoring.
Usage recommendations
Regularly inspect the status indicators on the device to ensure it is operating within normal parameters. Ensure that all terminal connections are tightened periodically to prevent overheating and maintain reliable electrical contact.

## FAQ

### How much does the FF CKF-316-TRMS Phase Sequence and Loss Monitor cost, and is it available for purchase?

The price is 38.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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/12451431/68754123_large.webp