Description
SPECIFICATIONS
Brand Name: samwhadsp
Origin: Mainland China
Usage: Protective
Theory: Voltage relay
Voltage: 380V
Model Number: FKV-14N
Protect Feature: Sealed
Power Source: AC
is_customized: Yes
Contact Load: Low Power
Certification: CE
Protection Item 1: Phase Sequence
Protection Item 2: Phase Failure
Protection Item 3: Asymmetry ±30%
General
FKV-14 phase failure relays are designed to avoid any failure of three phase motors caused from network.
Usage and Working Principle
Make the connections of the device in accordance with connection scheme.
Normal Operation (No Error): When the voltage are at normal values and the phase sequence is correct, the relay gets activated and the OUT LED is on.
Asymmetry Error: When any phase goes out of the normal range, the ERR LED flashes (at 2 second intervals), the OUT LED is off and the relay deactivated.
Relay is Activated: 2 (COM) and 3 (NC) short circuit, 1 (NC) and 2 (COM) open circuit.
Relay is De-activated: 2 (COM) and 1 (NC) short circuit, 1(NC) and 2 (COM) open circuit.
Maintenance
Switch off the device and release from connections. Clean the trunk of device with a swab. Don’t use any conductor or chemical
might damage the device. Make sure device works after cleaning
Warnings
Please use the device according to the manual.
Don’t use the device in wet.
Include a switch and circuit breaker in the assembly.
Put the switch and circuit breaker nearby the device, operator can reach easily.
Mark the switch and circuit breaker as releasing connection for device.
Specifications
Operating Voltage(Un)....: 3 x 380V AC
Operating Frequency.......: 50/60 Hz.
Operating Power...............: <6VA
Operating Temperature..: -20°C.....+55°C
Asymmetry...........: ±%30
Display..................: OUT & ERR LEDs
Connection Type..............: Terminal connection
Contact....................:5A/250V AC (Resistive Load)
Cable Diameter.................: 1,5mm²
Weight................................: Max. 110gr.
Mounting....................: Assembled on the din rail
Operating Altitude..........: <2000meter
Dimensions
![](https://ae01.alicdn.com/kf/Ha2121d96f3fd4e859309bad4cd06b94fU.jpg)
Connection diagram
![](https://ae01.alicdn.com/kf/H433f3f730468457e880dad5ee15bd234t.jpg)
![](https://ae01.alicdn.com/kf/H89af765c27d04173aeee182b9ca7df05D.jpg)
![](https://ae01.alicdn.com/kf/H8a87f7a941634d5ea8a22cfbd60fed2co.jpg)
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