The three-phase monitoring/protection relay monitors phase failure/asym/over-voltage

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COD - you pay the payment according to the payment order to the driver of the transport company

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

​If you would like 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.

In the event of a complaint, no fee is charged for returning the goods.

Three-phase monitoring / protection relay for checking sequence, failure, phase asymmetry, overvoltage, undervoltage, neutral failure with timer. Protective control relay FKM-05/05F (TENSE)

Phase protection relays are designed to protect three-phase loads from damage caused by line voltage

• Overvoltage: 300V (fixed)
• Undervoltage: 140V (fixed)
• Asymmetry: 5% – 25% (adjustable)

• Timer: 0.1 sec - 20 sec (adjustable)

• Protection against phase failure

• Protection against blackout neutral

• Phase Sequence Control (FKM-05F)

• Mounting on a DIN rail

• Width 35.6 mm