AQ-F205 Feeder Protection Device


AQ-F205 Feeder Protection Device AQ-F205 Feeder Protection Device Configure your product for inquiry Home Feeder protection & control Directional overcurrent & earth fault protection Directional overcurrent & earth fault protection AQ-F205 Feeder Protection Device Description AQ-F205 is suitable for any application that requires directional overcurrent and earth fault protections along with voltage and frequency protections. AQ-F205 comes with complementary measurement, monitoring, control and communication features. The relay’s standard configuration of eleven (11) digital inputs and ten (10) digital outputs along with a large, programmable HMI allow for a variety of adaptations. Highlights: Integrated protection, control, and measurement. Price–performance ratio. Technical data Non-directional overcurrent (I>; 50/51) - 4 stages Non-directional earth fault (I0>; 50N/51N) - 4 stages Directional overcurrent (Idir>; 67) - 4 stages Directional earth fault (I0dir>; 67N/32N) - 4 stages Negative sequence overcurrent/ Phase current reversal/ Current unbalance (I2>; 46/46R/46L) - 4 stages Harmonic overcurrent (Ih>; 50H/51H/68H) - 4 stages Circuit breaker failure protection (CBFP; 50BF/52BF) High-impedance or low-impedance restricted earth fault/ Cable end differential (I0d>; 87N) Overvoltage (U>; 59) - 4 stages Undervoltage (U<; 27) - 4 stages Neutral overvoltage (U0>; 59N) - 4 stages Sequence voltage (U1/U2>/<; 47/27P/59PN) - 4 stages Overfrequency and underfrequency (f>/<; 81O/81U) - 8 stages Rate-of-change of frequency (df/dt>/<; 81R) - 8 stages Overpower (P>; 32O) Underpower (P<; 32U) Reverse power (Pr; 32R) Line thermal overload (TF>; 49F) Number of objects to control and monitor: 5 Number of indicators to monitor: 5 Number of setting groups: 8 Cold load pick-up Switch-on-to-fault Auto-recloser (0 → 1; 79) Synchrocheck (ΔV/Δa/Δf; 25) Phase, sequence and residual currents (IL1, IL2, IL3, I01, I02) Phase, sequence and residual voltages (UL1, UL2, UL3, UL12, UL23, UL31, U0) Frequency (f) Power (P, Q, S, pf) and Energy (E+, E-, Eq+, Eq-) Power and energy measurement accuracy of 0.5 % Current transformer supervision Voltage transformer supervision (60) Circuit breaker wear monitoring Total harmonic distortion (current) Fault locator (21FL) Measurement recorder Measurement value recorder Event recorder (max. 15 000 permanent event records) Disturbance recorder (max. 100 records á 5 seconds at 3.2 kHz sampling) Current inputs: 5 Voltage inputs: 4 Digital inputs (fixed): 11 Digital outputs (fixed): 10 Standard communication ports RJ-45 100 Mbps Ethernet (front panel, fixed) RJ-45 100 Mbps Ethernet and RS-485 (rear panel, fixed) Communication protocols IEC 60870-5-101/104 IEC 60870-5-103 Modbus/RTU and Modbus/TCP DNP3 SPA AX007 External 6-channel 2-/3-wire RTD input module (pre-configured) AX008 External 8-channel thermocouple and mA input module (pre-configured) AX009 Raising frame (87 mm) AX010 Raising frame (40 mm) AX011 Combiflex frame AX012 Wall mounting bracket Additional material Application Drawing Device Rear Image Device and Cut-out Image Order Code Download application drawing Download device rear image Download device and cut-out dimensions Download order code Download AQ 200 product catalog (IEC), v2.05 (October 2025)_WEB AQ-F205 Instruction manual (v2.14, June 2025, EN) AQ 200 series DNP3 device profile v4.00 (English) AQ 200 series DWG connection drawings (.zip file) AQ 200 series IEC 103 interoperability list v1.00 (English) AQtivate 200 Instruction manual, v2.04 (May 2025) Related products AQ-F213D Feeder Protection Device AQ-F213D provides optimal performance for medium-voltage (main) or high-voltage (back-up) protection, control and monitoring applications. AQ-F213D […] AQ-F213E Feeder Protection Device AQ-F213E provides optimal performance for medium-voltage (main) or high-voltage (back-up) protection, control and monitoring applications. AQ-F213E […] Ask for an offer or more information We provide a comprehensive range of services through our own skilled staff and a global network of partners. Name(Required) First Last Country(Required) Email(Required) Add attachment Company(Required) Max. file size 300 MB Phone Add attachment Max. file size: 10 MB. Description(Required) What colour is a firetruck?(Required) To confirm you are not a robot, please answer this question. GDPR(Required) I agree to the Privacy Policy *

Description

AQ-F205 is suitable for any application that requires directional overcurrent and earth fault protections along with voltage and frequency protections. AQ-F205 comes with complementary measurement, monitoring, control and communication features. The relay’s standard configuration of eleven (11) digital inputs and ten (10) digital outputs along with a large, programmable HMI allow for a variety of adaptations.

Highlights:

Integrated protection, control, and measurement.
Price–performance ratio.

Technical data

Non-directional overcurrent (I>; 50/51) - 4 stages
Non-directional earth fault (I0>; 50N/51N) - 4 stages
Directional overcurrent (Idir>; 67) - 4 stages
Directional earth fault (I0dir>; 67N/32N) - 4 stages
Negative sequence overcurrent/ Phase current reversal/ Current unbalance (I2>; 46/46R/46L) - 4 stages
Harmonic overcurrent (Ih>; 50H/51H/68H) - 4 stages
Circuit breaker failure protection (CBFP; 50BF/52BF)
High-impedance or low-impedance restricted earth fault/ Cable end differential (I0d>; 87N)
Overvoltage (U>; 59) - 4 stages
Undervoltage (U<; 27) - 4 stages
Neutral overvoltage (U0>; 59N) - 4 stages
Sequence voltage (U1/U2>/<; 47/27P/59PN) - 4 stages
Overfrequency and underfrequency (f>/<; 81O/81U) - 8 stages
Rate-of-change of frequency (df/dt>/<; 81R) - 8 stages
Overpower (P>; 32O)
Underpower (P<; 32U)
Reverse power (Pr; 32R)
Line thermal overload (TF>; 49F)