Pro-N Intelligent Electronic Devices

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NV11B Multifunction Voltage Relay

NV11B

Protection functions
Undervoltage (27)
27.1 - Unipolar undervoltage (27.1)
27.2 - Unipolar undervoltage (27.2)
27.3 - Unipolar undervoltage (27.3)
27.4 - Unipolar undervoltage (27.4)
Overvoltage (59)
59.1 - Unipolar overvoltage (59.1)
59.2 - Unipolar overvoltage (59.2)
59.1 - Unipolar overvoltage (59.3)
Residual overvoltage (59N)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NV10P Multifunction Voltage And Frequency (Pro)

NV10P

Protection functions
Pt100 thermometric probes (26)
Undervoltage (27)
Overvoltage (59)
Residual overvoltage (59N)
Frequency rate of change (81R)
Underfrequency & overfrequency (81U 81O)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NV10B Multifunction Voltage And Frequency (Base)

NV10B

Protection functions
Pt100 thermometric probes (26)
Undervoltage (27)
Overvoltage (59)
Residual overvoltage (59N)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NTGP Multifunction Protection For Large Size Generators

NTGP

Protection functions
Underimpedance (21)
Overflux (V/Hz) (24)
Pt100 thermometric probes (26)
Undervoltage (27)
Third harmonic undervoltage (27H)
Directional active overpower (32P)
Reverse active overpower (32R)
Active underpower (37P)
Loss of field (40)
Negative sequence overcurrent (46)
Thermal image (49)
Inadvertent energizing (50+27)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Voltage-controlled overcurrent (51V)
Overvoltage (59)
Third harmonic overvoltage (59H)
Residual overvoltage (59N)
Rotor earth fault (64F)
Low impedance restricted ground fault (64REF)
Underfrequency & overfrequency (81U 81O)
High impedance restricted earth fault (87NHIZ)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NTGB Multifunction Protection For Small And Medium Size Generators

NTGB

Protection functions
Underimpedance (21)
Pt100 thermometric probes (26)
Undervoltage (27)
Reverse active overpower (32R)
Loss of field (40)
Negative sequence overcurrent (46)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Voltage-controlled overcurrent (51V)
Overvoltage (59)
Residual overvoltage (59N)
Underfrequency & overfrequency (81U 81O)
High impedance restricted earth fault (87NHIZ)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NT30 Biased Differential For Two Or Three Sides

NT30

Protection functions
Overflux (V/Hz) (24)
Pt100 thermometric probes (26)
Undervoltage (27)
Phase undercurrent (37)
Negative sequence overcurrent (46)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Overvoltage (59)
Residual overvoltage (59N)
Low impedance restricted ground fault (64REF)
Underfrequency & overfrequency (81U 81O)
Differential for transformers, generators, motors, short lines (87)
High impedance restricted earth fault (87NHIZ)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NT20 Biased Differential For Two Or Three Sides

NT20

如需提供其他型號，請聯繫我們。

NT10 Biased Differential For Two Winding Transformers

NT10

Protection functions
Pt100 thermometric probes (26)
Phase undercurrent (37)
Negative sequence overcurrent (46)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Low impedance restricted ground fault (64REF)
High impedance restricted earth fault (87NHIZ)
Biased differential for transformer (87T)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NS20 Synchronizing Device

NS20

Protection functions
Synchro-check & synchronizing (25)
Pt100 thermometric probes (26)
Undervoltage (27)
Overvoltage (59)
Underfrequency & overfrequency (81U 81O)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NS10 Synchronizing Device

NS10

Protection functions
Synchro-check & synchronizing (25)
Pt100 thermometric probes (26)
Voltage and frequency regulator (90V 90F)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NR10 Automatic Reclosing Device

NR10

Protection functions
Pt100 thermometric probes (26)
Automatic reclosing (79)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NP10 Power Relay

NP10

Protection functions
Pt100 thermometric probes (26)
Undervoltage (27)
Directional active overpower (32P)
Directional reactive overpower (32Q)
Active underpower (37P)
Reactive underpower (37Q)
Power factor (55)
Overvoltage (59)
Residual overvoltage (59N)
Frequency rate of change (81R)
Underfrequency & overfrequency (81U 81O)
Breaker failure (BF)
Vector jump (DPHI)

如需提供其他型號，請聯繫我們。

NM20 Multifunction Protection Relay

NM20

Protection functions
Pt100 thermometric probes (26)
Undervoltage (27)
Direct sequence undervoltage (27V1)
Reverse active overpower (32R)
Phase undercurrent (37)
Active underpower (37P)
Loss of field (40)
Negative sequence overcurrent (46)
Phase reversal (47)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Locked rotor (51LR(48)/14)
Power factor (55)
Overvoltage (59)
Residual overvoltage (59N)
Negative sequence overvoltage (59V2)
Maximum number of starting (66)
Ground directional overcurrent (67N)
Underfrequency & overfrequency (81U 81O)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NM10 Multifunction Protection Relay

NM10

Protection functions
Pt100 thermometric probes (26)
Phase undercurrent (37)
Negative sequence overcurrent (46)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Locked rotor (51LR(48)/14)
Maximum number of starting (66)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NG20 Protection Relay

NG20

Protection functions
Pt100 thermometric probes (26)
Undervoltage (27)
Reverse active overpower (32R)
Active underpower (37P)
Loss of field (40)
Negative sequence overcurrent (46)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Voltage-controlled overcurrent (51V)
Power factor (55)
Overvoltage (59)
Residual overvoltage (59N)
Underfrequency & overfrequency (81U 81O)
High impedance restricted earth fault (87NHIZ)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NG10 Protection Relay

NG10

Protection functions
Pt100 thermometric probes (26)
Residual overcurrent (50N/51N)
Low impedance restricted ground fault (64REF)
Differential protection for generators and motors (87G/87M)
High impedance restricted earth fault (87NHIZ)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NC20 Multifunction Protection Relay

NC20

Protection functions
Pt100 thermometric probes (26)
Undervoltage (27)
Phase undercurrent (37)
Neutral unbalance overcurrent with inherent unbalance compensation (46N)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Overvoltage (59)
Breaker failure (BF)
Discharge Timer (TD)

如需提供其他型號，請聯繫我們。

NC10 Multifunction Protection Relay

NC10

Protection functions
Pt100 thermometric probes (26)
Phase undercurrent (37)
Neutral unbalance overcurrent with inherent unbalance compensation (46N)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Breaker failure (BF)
Discharge Timer (TD)

如需提供其他型號，請聯繫我們。

NA90 Protection Relay

NA90

Protection functions
Pt100 thermometric probes (26)
Undervoltage (27)
Thermal image (49)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Overvoltage (59)
Residual overvoltage (59N)
Phase directional overcurrent (67)
Ground directional overcurrent (67N)
Breaker failure (BF)

如需提供其他型號，請聯繫我們。

NA80 Protection Relay

NA80

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