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Vendor: TENSE

Three-phase monitoring relay with PTC phase control, interruption/asymmetry/sequence

Barcode: FKV-14P
Regular price
€23,64 €18,91 excl. VAT
Regular price
Sale price
€23,64 €18,91 excl. VAT
Low stock: 8 left
All items are in stock and shipped from the Czech Republic. Delivery takes 3–8 days.
  • Description
  • Instructions
  • Payment methods
  • Warranty

Three-phase phase monitoring relay with break protection and winding temperature regulation, TENSE – FKV-14P

Product description

The three-phase phase relay FKV-14P is designed to protect three-phase electric motors and devices from critical power supply faults. It provides comprehensive monitoring of phase presence, phase drop, phase jamming (break), asymmetry (fixed 40%), incorrect phase sequence, and excessive motor winding temperature. Equipped with a neutral conductor and intended for DIN rail mounting.

Main functions

  • Presence control of all three phases

  • Phase loss protection

  • Phase jamming (break) detection

  • Fixed 40% voltage asymmetry check

  • Protection against incorrect phase sequence

  • Motor winding temperature control

  • Optical status signaling (LED OUT)

  • Automatic return to operation after parameters return to allowed range

Operating principle

  • Normal operation: If all three network voltages are present, phase sequence is correct, and winding temperature is within limits, relay engages (contacts 15–18 closed) and LED OUT lights.

  • Voltage or asymmetry fault: If voltage deviation of any phase exceeds 40%, contacts 15–18 open and 15–16 close; LED OUT turns off.

  • Phase sequence fault: Relay responds by opening contacts and turning off LED OUT.

  • Winding temperature exceedance: Relay disconnects output until temperature returns to allowed limits.

  • Return to operation: After parameters normalize, the relay automatically returns to operating state.

Technical specifications

  • Device type: Phase monitoring relay

  • Number of phases: 3 + N

  • Asymmetry: 40% (fixed)

  • Winding thermal protection: Yes

  • Output contacts: 15–18 (closed during operation), 15–16 (closed on fault)

  • Indication: LED OUT

  • Mounting: DIN rail

  • Manufacturer: TENSE (Turkey)

Advantages

  • Comprehensive protection of motor and electrical installation

  • Stable operation thanks to fixed 40% asymmetry

  • Easy mounting on DIN rail

  • Automatic function reset without operator intervention

  • Reliable protection in demanding industrial conditions

Typical application

  • Three-phase electric motors

  • Industrial pump systems

  • Compressors

  • Fans

  • Equipment sensitive to phase sequence and voltage quality

Download

User Manual

Online card payment - after completing your order you will be redirected to the payment gateway, a payment confirmation will be sent to your email

COD - you pay according to the payment order to the carrier's driver

By bank transfer - no later than the next working day, you will receive a pro forma invoice to your email containing the account number that you will enter when making the payment.

On invoice - this payment option is available to partners who have a signed framework agreement with our company.

If you want to use the last 2 methods, call our manager and he will give you instructions on how to receive an invoice with or without VAT.

The electrical equipment we supply meets high quality standards, has a 24-month warranty and meets all EU requirements.

We also have free shipping (for orders over 100 EUR), a flexible system of discounts and promotions. The technical knowledge and experience of our employees allows us to provide quality advice and, if necessary, offer alternatives to electrical products.

The electrical equipment we supply meets high quality standards, is covered by a 24-month warranty, and meets all EU requirements.

In the event of a complaint, the return of goods is not charged.

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