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AQ F350 is a feeder protection IED for the most demanding feeder protection applications. It integrates a full range of feeder protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ T352 is a transformer protection IED for 2-winding transformer applications. It integrates full range of protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ T393 is a transformer protection IED for 3-winding transformer applications. It integrates full range of protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ G357 is a generator protection IED for any size of synchronized machines. It integrates a full range of generator protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ L350 is a line protection IED with line differential protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ L357 is a line protection IED with full scheme distance protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection functions along with variety of additional functions for control, measurement, monitoring and communications. The AQ L357 comes in half of 19 inch arrangement and the

AQ L359 is a line protection IED with line differential and full scheme distance protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ B398 busbar protection IED comes in two versions, either as a centralized busbar protection unit or as main unit for distributed busbar protection applications. In a distributed busbar protection applications the unit communicates with bay units using IEC 61850/9 intercommunication standard. The total trip time of less than 20ms for busbar fault

The AQ-F201 offers a compact solution for any application requiring non-directional overcurrent and earth-fault protection. Selection of supportive functions for protection, measurement, monitoring, control and communication along with large programmable HMI guarantee the best in class price performance ratio for basic range of relays.

AQ F210 offers a modular feeder protection and control solution for non-directional overcurrent and earth-fault protection with automatic reclosing. Up to four optional I/O or communication cards are available for more comphrehensive monitoring and control applications. The AQ F210 communicates using various protocols including IEC 61850 substation

The SIL-A is an overcurrent and earth fault protection relay for primary and secondary distribution with auxiliary power supply (110-230Vac/90-300Vdc, 24-48 Vdc or 24-110 Vdc / 48-230Vac). The current measurement is obtained either by standart current transofrmers /1 or /5, or by special Low Power Current Transformers (LPCT). SIL-A Adaptation B wit

AQ F213 offers a modular feeder protection and control solution for applications requiring both current and voltage based protections along with complete measurements of up to class 0.2S accuracy for power and energy. Up to three optional I/O or communication cards are available for more comphrehensive monitoring and control applications. The AQ F2

AQ F215 offers a modular feeder protection and control solution for applications requiring both current and voltage based protections along with complete measurements of up to class 0.2S accuracy for power and energy. Up to three optional I/O or communication cards are available for more comphrehensive monitoring and control applications. The AQ F2

The SIL B is a Relay for Primary Distribution which is able to protect a feeder by means of current and voltage functions. It is normally used with a circuit breaker as cutting element. Monitors differences in voltage magnitudes, phase angles, and frequencies to perform synchronism checks across the circuit breaker. This function can be coordinated

The SIL-G is a relay for the protection of generators which is able to protect a generator by means of current, voltage and frequency functions. It is normally used with a circuit breaker as cutting element.

SILD, SIL-D, Overcurrent and Directional Earth Fault Protection Protection IED, 3 Phase Overcurrent Protection, Directional three-phase overcurrent protection, ANSI 67, IEC 61850, GOOSE, IEC 101,IEC 103, IEC 104, Modbus, DNP 3.0, 6 Configurable LED

AQ M210 offers a modular motor protection and control solution for small and medium size motors. Up to four optional I/O or communication cards are available for more comphrehensive monitoring and control applications. Up to 12 RTD signals can be connected for thermal alarming and tripping. The AQ M210 communicates using various protocols including

AQ M215 offers a modular motor protection and control solution for larger and more important motors requiring both current and voltage based protection functions along with complete measurements of accuracy up to class 0.2S for power and energy. Up to three optional I/O or communication cards are available for more comphrehensive monitoring and con

AQ G215 is a generator protection IED optimized for small and medium size of synchronized machines. It integrates a full range of generator protection functions along with variety of additional functions for control, measurement, monitoring and communications.

AQ T215 offers an integrated transformer voltage regulating and back-up protection solution. Automatic and manual voltage regulating and tap change position indications provide for accurate control of the power transfomer. Complete measurements of up to class 0.2S accuracy for power and energy are available.

AQ V211 offers a modular voltage protection solution for substations. Voltage and frequency protection with up to five optional I/O or communication cards and powerfull logic programming possibility make AQ V211 optimal for demanding load shedding or automatic transfer applications.

For HV, MV and LV Distribution Systems and for Decoupling, Load shedding and Loss of main (Islading) Protection. Loss of Mains (Islanding) occurs when part of the public utility network loses connection with the rest of the systems. If this situation is not detected, then the generator could remain connected, causing a safety hazard within network.

AQ T216 is a transformer protection IED with sophisticated and easy to use differential protection function. The differential protection algorithm features 2nd and 5th harmonic blocking and predefined or custom setting of protected objects’ connection group. Algorithm automatically verifies object nominal values and connection group settings.

AAR-301 is an over current protection relay which is manufactured according to IEC-255, designed as a transfomer and line protection relay for MV & HV Systems. AAR-301 is a microprocessor based device that has multifunctional hardware to meet the requirements of the market.

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