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header-product Phase sequence and phase failure sensor FF CKF-318, electrical protection device for three-phase networks
58.49 €

Phase sequence and phase failure sensor FF CKF-318, electrical protection device for three-phase networks

Phase sequence/failure sensor FF CKF-318 Photo 1
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Phase sequence and phase failure sensor FF CKF-318, electrical protection device for three-phase networks

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Phase sequence and phase failure sensor FF CKF-318, electrical protection device for three-phase networks

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Short description

FF CKF-318 is a phase sequence and phase failure sensor designed for monitoring three-phase electrical networks. It detects incorrect phase order and loss of one or more phases to protect motors and control systems from damage. Suitable for industrial and commercial installations, it integrates into control panels to enable automatic disconnection or alarm signalling when phase anomalies occur.
Available for order: 6 pcs.
Warranty: 2 Years
SKU: 12115750
Manufacturer: FF
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Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

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Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
17.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
22.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
22.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Product information

Description

FF CKF-318 is a phase sequence and phase failure sensor for monitoring three-phase electrical networks. It detects incorrect phase rotation and phase loss, providing an essential layer of electrical protection for motors, contactors and control systems. The device is intended for integration into control panels and protection circuits where reliable detection of phase anomalies is required to prevent equipment damage and downtime.

Advantages

The sensor provides continuous monitoring of phase order and presence with fast response to abnormal conditions, enabling automatic disconnection or signalling to downstream control equipment. Its compact design allows for straightforward mounting inside control cabinets. The device operates without requiring invasive changes to existing wiring layouts and supports integration with standard control relays and alarm circuits.

Suitable for

  • Protection of three-phase motors from reversed rotation and single-phasing
  • Integration into industrial control panels and motor control centres
  • Use in commercial electrical installations where phase sequence monitoring is required
  • Automation systems that require reliable phase-failure signalling

Key specifications

  • Function: phase rotation detection and phase failure sensing for three-phase networks
  • Output: switching or signalling output compatible with control circuits and relays
  • Mounting: panel or DIN-rail compatible enclosure suitable for control cabinets
  • Response: rapid detection of phase loss and incorrect phase order to trigger protection
  • Environment: designed for industrial and commercial electrical applications

How to use

Install the sensor inside the control panel following local electrical codes and the device wiring diagram. Connect the three incoming phase conductors to the sensor’s input terminals and route the sensor output to the control relay or alarm circuit that will perform automatic disconnection or signalling. Verify correct wiring by checking that the device indicates normal phase order under healthy supply conditions, then test trip or alarm functions by simulating phase loss or reversed phase order before placing the system into regular operation.

Usage recommendations

Position the sensor in a dry, well-ventilated area of the control cabinet away from heat sources and severe vibration. Use appropriately rated protective devices and fuses on the supply side, and ensure wiring and terminal connections are tightened to the manufacturer’s torque specifications. Regularly inspect connections and test the sensor as part of scheduled maintenance to confirm reliable operation.

Description

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Customer reviews

Customer questions

FAQ

How much does the Phase sequence/failure sensor FF CKF-318 cost, and is it available for purchase?

The price is 58.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 17.07.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.