General Electric - Sertec Relay Services

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ACR

Types ACR11B, ACR11C, & ACR11E Reclosing Relay – ACR

ALPS

Type ALPS Advanced Line Protection System – alpsman

B-30

Type BS30 Bus Differential Relay UR Series – b30man

BBA

Type BBA AC Pilot Wire Checking Relay – BBA

BCA

Types BCA11A, BCA11B, BCA11C, BCA11M, BCA12A, & BCA12C Carrier-Current Auxiliary Relays – 11A,11B,11C,11M,12A,12C
Type BCA11AF Carrier-Current Auxiliary Relay – 11AF
Type BCA11AV Carrier Auxiliary Relay – 11AV
Type BCA11AX Carrier Auxiliary Relay – 11AX

BDD

Types BDD15B & BDD16B Transformer Differential Relays with Percentage and Harmonic Restraint – 15B,16B
Type BDD20B Transformer Differential Relay with Percentage and Harmonic Restraint – 20B
Types BDD15B, Forms 11 and Up & BDD16B, Forms 11 and Up Transformer Differential Relay with Percentage and Harmonic Restraint – bdd
Type BDD17B Transformer Differential Relay with Percentage and Harmonic Restraint – bdd17b

BFC

Type BFC11A Harmonic Restraint Overcurrent Relay – 11A

BUS 1000 & 2000

Type BUS1000 Bus Bar Protection – bus1000
Type BUS2000 Numerical Monitoring Bus Bar Protection System – bus2man

C60

Type C60 Breaker Management Relay UR Series – c60man

CAP

Types CAP15A & CAP15B Power Directional Relays – 15A,15B

CCP

Type CCP13D Three-Phase Power Directional Relay – 13D
Type CCP13E Three-Phase Power Directional Relay – 13E

CEB

Types CEB12A & CEB12B Offset MHO Blocking Relays – 12A,12B
Type CEB13B MHO Blocking Relay – 13B
Type CEB13C Offset MHO Relay – 13C-2
Type CEB13C Offset MHO Relay – 13C
Type CEB13G Directional Distance Relay for Ground-Fault Protection – 13G
Type 12CEB13J Three Phase Offset MHO Relay – 13J
Type CEB16B Offset MHO Relay – 16B
Type CEB99AA MHO Distance Relay – 99AA
Type CEB99AC Three Phase Offset MHO Relay – 99AC
Type CEB52A Offset MHO Distance Relay – CEB
Type CEB51A Offset MHO Blocking Relay – gek7366
Type CEB51B Offset MHO Distance Relay – gek26420

CEH

Type CEH11A3 Loss of Excitation Relay – 11A3
Type CEH51A Loss of Excitation Relay – 51A
Type CEH52A Single Phase Relay – gek36782

CEX

Type CEX17D Angle-Impedance Relay – 17D
Type CEX17E Angle Impedance Relay – 17E
Type CEX17F Angle Impedance Relay – 17F
Types CEX57D, CEX57E, & CEX 57F Angle Impedance Relays – 57D,E,F

CEXG

Type CEXG20A Reactance Ground Distance Relay – 20A

CEY

Type CEY13A MHO Distance Relay – 13A
Type CEY15A MHO Distance Relay – 15A
Type CEY16A MHO Distance Relay – 16A
Type CEY51A MHO Distance Relay – 51A
Type CEY52A MHO Distance Relay – 52A
Type CEY52B MHO Distance Relay – 52B
Type CEY53A MHO Distance Relay for Shunt Reactor Protection – 53A
Types CEY56A(-)D MHO Distance Relays – 56A-D
Types CEY51B(-)D MHO Distance Relays – cey51b
Types CEY54A(-)D MHO Distance Relays – cey54a
Types CEY56A(-)D MHO Distance Relays – cey56a
Types CEY61A(-)D MHO Distance Relays – cey61a

CEYB

Type CEYB12A Directional Distance Relay – 12A

CEYG

Type CEYG Directional Distance Relay – ceyg51b
Type CEYG51A Ground Distance Relay – gek26423
Type CEYG52A Ground Distance Relay – gek26451
Type CEYG53A Ground Distance Relay – gek33922

CFC

Types CFC11B & CFC11C Instantaneous Overcurrent Relays – 11B,11C
Types CFC15A2 & Up Instantaneous Overcurrent Relays – 15A2
Type CFC17A Instantaneous Overcurrent Relay – 17A
Type CFC99AA Overcurrent Relay – 99AA

CFCB

Type CFCB11A Balanced Current Relay – GEI-22727B

CFCP

Types CFCP11A, CFCP12A, CFCP13A, & CFCP14A Directional Ground Relays – 11A,12A,13A,14A

CFD

Types CFD12A & CFD12B High Speed Differential Relays – 12A,12B
Types CFD22A & CFD22B High Speed Differential Relays – 22A,22B
Type CFD99AA High Speed Differential Relay – 99AA

CFF

Types CFF12A23 & Up, CFF12B31 & Up, CFF12C, & CFF12D Frequency Relays – 12A23,12B31,12C,12D
Type CFF13A Under Frequency Relay – 13A
Types CFF15A(-)E Under Frequency Relays – 15A(-)E
Types CFF22C and CFF23A Under Frequency Relays – 22C,23A
Types CFF12a47 & Up, CFF12C13 & Up, CFF12E3 & Up, & CFF12F1 & Up Frequency Relays – GEK-27863

CFPP

Types CFPP11A, CFPP12A, & CFPP12E Directional Ground Relays – 11A,12A,12E
Type CFPP15A Directional Ground Relay – 15A

CFT

Type CFT11A & CFT11B Temperature Relays – 11A,11B
Types CFT12A and CFT12B Temperature Relays – 12A,12B
Types CFT13A(-)D Temperature Relays – 13A(-)D

CFV

Types CFV12A, CFV16A, & CFV16B Undervoltage and Phase-Sequence Relays – 12A,16A,16B
Type CFV17A Voltage Relay – 17A

CFVB

Type CFVB11A Voltage Balance Relay – 11A
Type CFVB11B Voltage Balance Relay – 11B

CFW

Type CFW11E Overpower and Underpower Relay Forms 21 & Up – 11E
Type CFW11F Overpower and Underpower Relay – 11F

CFZ

Type CFZ13A & CFZ13B Impedance Relay – 13A,13B

CHC

Types CHC11A21 & Up, and CHC11B11 & Up Fault Detector Relay – 11A21,11B21 and up
Types CHC12A, CHC13A, & CHC13B Fault Detector Relay – 12A,13A,13B
Type CHC15 Fault Detector Relay – 15
Type CHC21A & Type CHC21C High Speed Non Directional Overcurrent Relay – 21A,21C
Types CHC13D(-)A Fault Detector Relays – chc13d

D60

Type D60 Line Distance Relay UR Series – d60man

DBF

Type DBF Digital Breaker Failure Protection Relay – dbfman

DDP

Type DDP Digital Distribution Protective Relaying System – GEK-99269C

DFF

Type DFF Series 1000 Digital Frequency Relay – dffman

DGF

Type DGF Generator Field Relay – DGF 41747g

DGP

Type DGP Digital Generator Protection Relay – dgpman

DIAC, DIFC, & DSFC

Type DIAC 66k Digital Overcurrent Relay – diac66k
Type DIAC / DIFC / DSFC Digital Overcurrent Protection – diacman

DLPD

Type DLP Digital Transmission Line Relaying System with Three Phase Tripping – dlp3man

DRS

Type DRS Numerical Single-Phase and Three-Phase Reclosing System – drsman

DTP-B

Type DTP-B Digital Transformer Protection Relay – dtp

F35

Type F35 Multiple Feeder Management Relay UR Series – f35man

F60

Type F60 Feeder Management Relay UR Series – f60man

G60

Type G60 Generator Management Relay UR Series – g60man

GCX

Type GCX Directional Distance Relays – 17
Types GCX51A & GCX51B Forms 11 & UP Directional Distance (Reactance Relay) – 51A,51B form 11 and up
Types GCX51E & GCX51F Directional Distance (Reactance) Relay – gcx51f
Types GCX51M-N, GCX51P, & GCX51R Directional Distance (Reactance Relay) – gek86050

GCXG

Type GCXG51A11 & Up Directional Ground Distance Relay – GCXG 51A11 and up, GEI-98339E

GCY

Type GCY12 MHO Distance Relay – 12
Type GCY13A & GCY13C MHO Distance Relay – 13A,13C GEI-44086A

GGP

Type GGP53C Polyphase Power Directional Relay for Anti-Monitoring Protection – gek34117
Type GGP53B Power Directional Relay – GGP53B GEI-33891E

GSY

Type GSY51A MHO and Auxiliary Relay for Out-of-Step Protection – gek45441

HAA

Type HAA11A, B, & C; HAA12A & B; HAA13A, B, D, & E; HAA14A, B, & C; HAA17A; HAA18A – gei74657
Type HAA 15A(-)H Auxiliary Current Relays – gei83964
Type HAA16B & HAA16C Auxiliary Voltage Relay – gek7354
Type HAA19A Auxiliary Voltage Relay – gek33993

HEA

Type HEA61 & HEA62 Auxiliary Relays Hand Reset with Target – geh2058
Type HEA61BB Reset Auxiliary Relay – hea61bb
Type HEA63 Auxiliary Relays Electric Reset with Target – hea63
Type HEA99AL Reset Auxiliary Relay – hea99al
Type HEA99BT Auxiliary Relay Electric Reset – hea99bt

HFA

Type HFA51 Multicontact Auxiliary Relay – geh2024
Type HFA53 Multi-Contact Auxiliary Relays – gei68719
Type HFA54 Multi-Contact Auxiliary Relays – gei68720
Type HFA60 Auxiliary Relays – gei68748
Types HFA65D & HFA65E Multi-Contact Auxiliary Relays – gei68749
Type HFA60C Auxiliary Relay – gei74667
Type HFA71 Multi-Contact Auxiliary Relays – gek41897
Type HFA74 Multi-Contact Auxiliary Relays – gek41898
Type HFA73K Multi-Contact Auxiliary Relays – gek41931
Type HFA151 Multi-Contact Auxiliary Relay – gek45484
Type HFA53K Multi-Contact Auxiliary Relays – gek45485
Type HFA154 Multi-Contact Auxiliary Relays – gek45486
Type HFA171 Multi-Contact Auxiliary Relays – gek49815
Type HFA173K Multi-Contact Auxiliary Relays – gek49816
Type HFA174 Multi-Contact Auxiliary Relays – gek49817

HFC

Type HFC21B, HFC22B, & HFC23C Instantaneous Overcurrent Relays – gek49826

HGA

Types HGA11A, G, H, J, K, P, S, T, V, W, & X Instantaneous Auxiliary Relay – geh1793
Types HGA17A, F, H, M, R, S, & T DC Auxiliary Relays – gei10190
Types HGA14AA & HGA14AB Instantaneous Auxiliary Relays – gei28765
Types HGA26A & HGA26B D-C Auxiliary Relay – gei28801
Types HGA14A, AE, AF, AV, & BF Instantaneous Auxiliary Relays – gei30912
Type HGA17J D-C Auxiliary Relay – gei33833
Type HGA14AH Instantaneous Auxiliary Relay – gei33895
Types HGA14D & HGA14BD D-C Time-Delay Auxiliary Delay – gei38945
Types HGA14AL & HGA14AM Instantaneous D-C Auxiliary Tripping Relays – gei38980
Types HGA33A(-)C Time-Delay Control Relay – gei44068
Types HGA11N & HGA11R Instantaneous Auxiliary Relays – gei44092
Type HGA26C DC Auxiliary Relay – gei68710
Type HGA14 High Speed Auxiliary Relays – gei68718
Type HGA Instantaneous Auxiliary Relays – gei68750
Types HGA34A & HGA99AD Instantaneous Control Relay – gei83911
Types HGA35A & HGA35B Auxiliary Relay – gei83957
Type HGA111 Instantaneous Auxiliary Relay – gek45487
Types HGA148H(-)A AC Undervoltage Relay – gek49945
Types HGA11E(-)A Instantaneous Auxiliary Relay – hga11e

HGA RECLOSING

Types HGAL(-)A Reclosing Relays – gek49819
Types HGA18M & HGA18N Reclosing Relays – gek65602

HLA

Types HLA11A & HLA11B Instantaneous Auxiliary Relay – HLA11A-B

HMA

Types HMA11A(-)F Auxiliary Relay – gek28008
Type HMA111 Auxiliary Relays – gek45489
Type HMA124A & HMA125A Instantaneous Auxiliary Relays – gek45490
Type HMA24A Instantaneous Auxiliary Relay – hma24a

IAC

Types IAC51A&B and IAC52A&B Forms 800 & Up – 51,52,A,B
Type IAC66K Time-Overcurrent Relay – 66k
Type IAC66T Time Overcurrent Relay – 66T-2
Type IAC66T Time Overcurrent Relay – 66T
Types IAC77A&B and IAC78A&B Relay Forms 800 & Up – 77A,77B,78A,78B Form 800
Types IAC77A Form 11 & Up; IAC77B Form 31 and Up; IAC78A Form 4 & Up; IAC78B Form 11 & Up – 77A
Types IAC51A(-)E & IAC52A&B Time Overcurrent Relays – GEH-1265D (OLD STYLE 51S)
Types IAC53A(-)C, IAC53R, and IAC54A&B – GEH-1788L
Types IAC53A&B and IAC54A&B Form 800 and Up Time Overcurrent Relay – gek34054
Types IAC77A&B and IAC78A&B Form 800 and Up Time Overcurrent Relay – gek34055
Types IAC66S Time-Overcurrent Relay – gek45344
Types IAC60T, IAC80T, & IAC90T Time Overcurrent Relay – gek65573
Type IAC66M Time Overcurrent Relay – gek86105
Type IAC66K Forms 51 & Up Time Overcurrent Relay – gek86722
Types IAC51N Time Overcurrent Relay – iac51n
Type IAC51V Time Overcurrent Relay – iac51v
Type IAC53M Time Overcurrent Relay – iac53m
Type IAC53T Forms 800 & Up Time Overcurrent Relay – iac53t8
Type IAC55A,B, & F Short-Time Overcurrent Relays – iac55ab
Type IAC57A&B Long-Time Overcurrent Relays – iac57ab
Type IAC59A,B, & C Undercurrent Relays – iac59abc
Types IAC60A&B; IAC60J; IAC61A Time Overcurrent Relays – iac60ab
Type IAC66A(-)C Time Overcurrent Relays – IAC66A, 66B, 66C – gek86054
Type IAC77M Time Overcurrent Relay – iac77m
Type IAC77S Time Overcurrent Relay – iac77s
Type IAC77S Time Overcurrent Relay 800 Series – iac77s8
Type IAC80L Time Overcurrent Relay – iac80l
Type IAC80M Time Overcurrent Relay – iac80m
Type IAC90A(-)A & IAC90BA(-)B Time Overcurrent Relay with Torque Control – iac90ab
Type IAC95F(-)A Time Overcurrent Relay – iac95f

IAV

Types IAV51D & K and IAV52C, D, & K Overvoltage Relay – 51D,51K,52K
Types IAV51(-)53A,IAV53A(-)D & K(-)N Voltage Relays – 53K (geh1814)
Type IAV54J Undervoltage Relay – 54J
Type IAV69A&B Voltage Relay – 69A,69B
Type IAV54E, F, & H and IAV55C, F, H, & J Undervoltage Relays – geh1768
Type IAV53K(-)N Voltage Relay – GEI-33856C – 53K,53L,53M,53N
Types IAV53k(-)N Voltage Relays – iav51m
Type IAV52B Voltage Relay – iav52b
Type IAV54J Undervoltage Relay – iav54j
Types IAV70A&B Voltage Relay – iav70A and 70B gei93824
Types IAV71(-)73 Volage Relay – iav71
Type IAV74A Undervoltage Relay – iav74a

IBC

Types IBC51E, IBC52E, IBC53H, IBC54H, IBC77E, & IBC78E Phase Directional Overcurrent Relays – geh1817
Types IBC51M, IBC51M(-)Y1A, IBC52M, IBC53M, IBC53M(-)Y1A, IBC54M, IBC77M, IBC77M(-)Y1A, & IBC78M Phase Directional Overcurrent Relays – gek49821

ICR

Types ICR51A, ICR53A&B, ICR54A&B – geh1783
Types ICR53C&D Phase Sequence & Undervoltage Relay – icr53cd

ICW

Types ICW51A and ICW52A&B Power Relays – 51A,52A,52B
Type ICW51B Directional Power Relay – 51B
Types ICW53A&C Reactive Power Relay – 53A,53C

IFC

Type IFC 51A&B, IFC53A&B, and IFC77A&B Time Overcurrent Relay – 51A,51B,53A,53B,77A,77B
Type IFC51AD&BD, IFC53AD&BD, and IFC77AD&BD Overcurrent Relays – 51AD,51BD,53AD,77AD,77BD
Type IFC53M Time Overcurrent Relay – 53M
Types IFC57AD&BD Time Overcurrent Relay – IFC57AD&BD I
Types IFC66AD, IFC66BD, and IFC66KD Time Overcurrent Relay – 66AD,66BD,66KD
Type IFC66CD Overcurrent Relay – 66CD
Type IFC66CD Overcurrent Relay – FC66CD
Type IFC95AD&BD Time Overcurrent Relay – IFC95AD,95BD
Type IFC95F(-)A Time Overcurrent Relay – IFC95F(-)A
Type IFC95FD Time Overcurrent Relay – IFC95FD

IFCV

Type IFCV51AD&BD Time Overcurrent Relay with Voltage Restraint – gek49946

IFV

Types IFV51DD&KD Time Overvoltage Relay – IFV51
Types IFV51AD & IFV71AD&BD Time Overvoltage Relay – IFV51&71

IGCV

Type IGCV51A Time Overcurrent Relay with Voltage Control – 51A

IJC

Type IJC51B&C and IJC53A Balanced-Current Relay – GEH-1789B
Type IJC51E Current Balance Relay – GEK-65583B

IJCV

Type IJCV51A&B and IJCV52A&B Time Overcurrent Relay with Voltage Restraint – GEH-2029A

IJD

Type IJD52A&B and IJD53C&D Percentage Differential Relay – geh1268

IJF

Type IJF51A, IJF51B, and IJF52A Frequency Relay – 51A,52A,51B

IJS

Type IJS52D Synchronism Check Relay – 52D
Type IJS51A & IJS52A Synchronism-Check Relay – IJS51&52A
Type IJS52E Synchronism Check Relay – IJS52E
Type IJS52F Synchronism Check Relay – ijs52f
Type IJS52G(-)A Synchronism Check Relay – ijs52g

INC

Type INC77R Negative Phase-Sequence Overcurrent Relay – INC77R

JBC

Type JBC51(-)54E & JBC77E&78E Phase Directional Overcurrent Relay – 51-54E&77&78E
Type JBC53N; JBCG53N; JBCV53N;JBCV54N; JBCG54N Directional Overcurrent Relay – 53N
Type JBC51M; JBC51M(-)Y1A; JBC51P; JBC52M; JBC52P; JBC53M; JBC53P; JBC54M; JBC77M; JBC77P; JBC78M Phase Directional Overcurrent Relay – gek49848

JBCG

Types JBCG51M; JBCG51M(-)Y1A; JBCG52M; JBCG53M; JBCG53M(-)Y1A; JBCG54M; JBCG77M; JBCG78M Ground Directional Overcurrent Relay – 51M,53M,77M,52M,54M,78M
Type JBCG51E(-)54E Ground Directional Overcurrent Relay – GEH-1818A
Type JBCG61M(-)A Ground Directional Overcurrent Relay – jbcg61m
Type JBCG63M(-)A Ground Directional Overcurrent Relay – jbcg63m

JBCV

Type JBCV51M, JBCV53M, JBCV53M(-)Y1A, & JBCV77M Phase Directional Overcurrent Relay with Voltage Restraint – gek49850

L60

Type L60 Line Phase Comparison Relay UR Series – l60man

L90

Type L90 Line Phase Comparison Relay UR Series – l90man

LPSD

Type LPS-D Line Protection System – lpsdman

M60

Type M60 Motor Relay UR Series – m60man

MDP

Type MDP Digital Time Overcurrent Relay – gek-100682d

MFF

Type MFF Digital Frequency Relay Series 1000 – mffman

MGC

Type MGC Micro Processor Based Generator Protection Relay Series 1000 – mgcman

MIF

Type MIF N Digital Feeder Protection for Single-Phase or Ground Applications – mifnman

MIG

Type MIG Digital Protection for Electrical Machines – migman

MIN

Type MIN Directional Ground Protection – minman

MIV

Type MIV Digital Voltage & Frequency Protection – mivman

MLJ

Type MLJ Synchronism Check Relay – mljman

MM2

Type MM2 Motor Manager 2 – mm2man

MM3

TYPE MM3 Motor Manager 3 – mm3man

MOV

Type MOV 2000 Digital Multifunctional Protection, Control and Supervision Relay – movman

-MULTILIN-

139

Series 139 Motor Protection Relay – 139

169

Series 169 Motor Management Relay – 169

239

Series 239 Motor Protection Relay – 239

269

Series 269 Motor Management Relay – 269man

301

Series 301 Motor Management Relay – 301

369

Series 369 Motor Management Relay – 369

469

Series 469 Motor Management Relay – 469man

489

Series 489 Generator Management Relay – 489man

735

Series 735 Feeder Protection Relay – 735man

745

Series 745 Transformer Management Relay – 745man

NAA

Type NAA15E&F Ground Distance Auxiliary Relay – NAA15E&F
Type NAA15G Ground Distance Auxiliary Relay – NAA15G
Type NAA15H Auxiliary Relay – NAA15H
Type NAA19B Out-of-Step Auxiliary Relay – NAA19B
Type NAA21B(-)D & NAA25A Reclosing Blocking Auxiliary Relays – NAA21BCD&25A
Type NAA27AA(-)A Transfer Trip Auxiliary Relay – NAA27AA(-)A
Type NAA27AB Transfer Trip Auxiliary Relay – NAA27AB
Type NAA27AD(-)A Transferred Trip Auxiliary Relay –NAA27AD(-)A
Type NAA27H,J,K, & L Transferred Trip Auxiliary Relays – NAA27HJKL
Type NAA27M Transfer Trip Auxiliary Relay – NAA27M
Type NAA27N Transferred Trip Auxiliary Relay – NAA27N
Type NAA27S Transferred Trip Auxiliary Relay – NAA27S
Type NAA27Y Auxiliary Relay – NAA27Y
Type NAA27Z Carrier Auxiliary Relay – NAA27Z
Type NAA30A Auxiliary Relay – NAA30A

NBV

Type NBV11A Voltage Unbalance Relay – gei50261

NGA

Type NGA15A&L Auxiliary Relay – gei83905
Type NGA15J Auxiliary Relay – gek1270
Type NGA15AA Form 3 & Up – nga15aa
Type NGA15AG DC Auxiliary Relay – nga15ag
Type NGA15AJ DC Auxiliary Relay – nga15aj

NGV

Type NGV17A-C DC Undervoltage Relay – gei90804
Types NGV11A&B Forms 11 & Up, NGV12A-C Forms 11 & Up, NGV13A&B Forms 21 & Up Undervoltage Relays – gei90805
Types NGV15A&B Undervoltage Relay – gei90806
Type NGV19A D-C Undervoltage Relay – gei98347
Type NGV29A Sensitive Ground Relay – gek49896
Type NGV11C Undervoltage Relay – ngv11c
Types NGV11D(-)A A.C. Undervoltage Relay – ngv11d
Types NGV21A-23A & NGV21B-23B Voltage Relays – ngv21
Types NGV28B(-)A A-C Undervoltage Relay – ngv28

NLR

Type NLR21U Reclosing Relay – GEK-45347A (21U)

PJC

Type PJC Instantaneous Current Relays – geh1790
Types PJC11M, X, Z, AT, AV, AW; PJC12D, E, N, R, U, PJC13E, H, & J; PJC14C&E Instantaneous Overcurrent Relays – gei28803
Type PJC & PJV Instantaneous Overcurrent and Voltage Relays – gei31094
Type PJC20A Instantaneous Current Relay – gei38974
Type PJC32C, D, E, F, G, H, J, K, L, & N Instantaneous Overcurrent Relays – gek27893
Type PJC11BA Instantaneous Current Relay – pjc11ba

PQM

Type PQM Power Quality Meter – pqmman

PVD

Type PVD21A-D Differential Voltage Relays – 21A,21B,21C,21D
Type PVD11C&D Differential Voltage Relays – GEH-1770F

SAM

Type SAM201-207 Static Timing Relays – gek90666

SB

Type SB-1, 9, & 10 Control and Instrument Switches – geh908r

SBC

Type SBC23A-C Static Breaker Backup Relay – 23A,23B,23C

SBD

Type SBD11B Static Differential for Bus Protection Relay – gek45451

SBM

Type SBM Control and Transfer Switch – geh2038e

SFF

Type SFF 31A&C and SFF32A&C Static Frequency Relay – gek49923
Type SFF33A & SFF33C Static Frequency Relay – gek65547
Type SFF201A&B, SFF202A&B and SFF204A&B Static Frequency Relays – gek90636
Type SFF31D Static Frequency Relay – sff31d

SGC

Type SGC 21A-C Negative-Sequence Time Overcurrent Relay – gek86069j

SLR

Type SLR11A&B Reclosing Relay – 11A,11B
Type SLR12A&B Recloser Relay – 12A,12B

SMOR

Type SMOR-B Protection, Monitoring, Analysis, and Energy Management Numerical System – smorman

SPA

Type SPA11A&B and SPA12A&B Static Pilot Wire Monitoring Relay – GEK-65512F – SPA

SPM

Type SPM Synchronous Motor Protection and Control – spmman

STD

Type STD15C and STD16C Transformer Differential Relay with Percentage and Harmonic Restraint – std15C, std16C – gek45307
Type STD15D Transformer Differential Relay with Percentage and Harmonic Restraint – std15d
Type STD17C Transformer Differential Relay with Percentage and Harmonic Restraint – std17c
Type STD18C Transformer Differential Relay with Percentage and Harmonic Restraint – std18c
Type STD21C Transformer Differential Relay with Percentage and Harmonic Restraint – std21c
Type STD25D Transformer Differential Relay with Percentage and Harmonic Restraint – std25d
Type STD26C Transformer Differential Relay with Percentage and Harmonic Restraint – std26c
Type STD28C Transformer Differential Relay with Percentage and Harmonic Restraint 6 Restraint Circuits – std28c
Type STD29C Transformer Differential Relay with Percentage and Harmonic Restraint 6 Restraint Circuits – std29c

STV

Type STV11A Static Overexcitation Relay – 11A

T60

Type T60 Transformer Management Relay UR Series – t60man

TCW

Type TCW Modular Directional Power Relay Series 1000 – tcwman

TMC

Type TMC11B-13B Thermal Overcurrent Relay – 11B,12B,13B
Type TMC21B & 23B Thermal Overcurrent Relay – 21B,23B
Type TMC24B & TMC24D Thermal Overcurrent Relay – 24B,24D

TOV

Type TOV Modular Voltage Relays – tovman