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$27,930.00
Hammond Power Solutions TE3A0440KG NRC18 DIT 3 Phase 440Kva 480D-380Y/220 V Aluminum 60Hz 3R Mrosupply
MRO Supply MC
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Hammond Power Solutions TE3A0440KG NRC18 DIT 3 Phase 440Kva 480D-380Y/220 V Aluminum 60Hz 3R Mrosupply
MRO Supply MC
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$70.09
Ditek DTK-2403CMXPLUS 3 Phase Surge Protective Device (240V) | Supplyhouse.Com
SupplyHouse.com
$70.09
Ditek DTK-2403CMXPLUS 3 Phase Surge Protective Device (240V) | Supplyhouse.Com
SupplyHouse.com
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Leviton Type 1 Surge Protective Panel, Residential Home Surge Protection, 208Y/120 VAC, Three Phase WYE, 50Ka Per Phase, P3120-YB SPD
Amazon.com
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Leviton Type 1 Surge Protective Panel, Residential Home Surge Protection, 208Y/120 VAC, Three Phase WYE, 50Ka Per Phase, P3120-YB SPD
Amazon.com
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Hammond Power Solutions TE3A0020NGM NRC18 DIT 3 Phase 20Kva 575D-380Y/220V Copper 60Hz 3R Mrosupply
MRO Supply MC
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Hammond Power Solutions TE3A0020NGM NRC18 DIT 3 Phase 20Kva 575D-380Y/220V Copper 60Hz 3R Mrosupply
MRO Supply MC
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4Kva Isolation Transformer, 3 Phase Voltage Transformer, 480V Primary - 208V Secondary, Step Up/Down Transformer Isolation Transformer Three Phase
Amazon.com
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4Kva Isolation Transformer, 3 Phase Voltage Transformer, 480V Primary - 208V Secondary, Step Up/Down Transformer Isolation Transformer Three Phase
Amazon.com
$20.69
TG30 3 Phase Phase Sequence Relay Phase Failure Loss Power Supply Monitor Relay 3 Phase Sequence Protector For Motors Pumps 220 380VAC
Amazon.com
$20.69
TG30 3 Phase Phase Sequence Relay Phase Failure Loss Power Supply Monitor Relay 3 Phase Sequence Protector For Motors Pumps 220 380VAC
Amazon.com
$240.86
Square D | SDSA2040D | SDSA Surge Protective Device, 240 V Delta, 3-Phase, 3-Wire
Blackhawk Supply
$240.86
Square D | SDSA2040D | SDSA Surge Protective Device, 240 V Delta, 3-Phase, 3-Wire
Blackhawk Supply
$67.95
Supco TPMPU, Universal Three Phase Motor Protector
Global Industrial
$67.95
Supco TPMPU, Universal Three Phase Motor Protector
Global Industrial
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$2,392.00
Y045PKCN3L0U - Hammond Power Solutions 45Kva 3-Phase Autotransformer 600Y/480Y VAC NEMA 3R
Essential Electric Supply
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Y045PKCN3L0U - Hammond Power Solutions 45Kva 3-Phase Autotransformer 600Y/480Y VAC NEMA 3R
Essential Electric Supply
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$1,875.00
Y030CECF3L0U - Hammond Power Solutions 30 Kva 240-216-208V 3-Phase Autotransformer NEMA 3R
Essential Electric Supply
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Y030CECF3L0U - Hammond Power Solutions 30 Kva 240-216-208V 3-Phase Autotransformer NEMA 3R
Essential Electric Supply
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Siemens Tps3c0910000 Surge Protector Device 3-Phase 20Ka 209Y/120V
eBay
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Siemens Tps3c0910000 Surge Protector Device 3-Phase 20Ka 209Y/120V
eBay
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Diversitech DTP-3 Digital 3-Phase Motor Protector 1-1/4 in. 3-Port
Voomi Supply
$275.30
Diversitech DTP-3 Digital 3-Phase Motor Protector 1-1/4 in. 3-Port
Voomi Supply
$669.47
3-Phase Autotransformer 600-480V Or 480-380V
Maddox
$669.47
3-Phase Autotransformer 600-480V Or 480-380V
Maddox
$70.09
Ditek DTK-4803CMXPLUS 3 Phase Surge Protective Device (480V) | Supplyhouse.Com
SupplyHouse.com
$70.09
Ditek DTK-4803CMXPLUS 3 Phase Surge Protective Device (480V) | Supplyhouse.Com
SupplyHouse.com
$13,789.60
60 KVA 3PH Isolation Transformer, 380V Delta & 220V Delta Primary, 230Y/133 Wye-N Secondary, N3R, Ve
Larson Electronics
$13,789.60
60 KVA 3PH Isolation Transformer, 380V Delta & 220V Delta Primary, 230Y/133 Wye-N Secondary, N3R, Ve
Larson Electronics
$4,418.90
$6,710.00
SG3A0030KY0C - Hammond Power Solutions 30Kva 3-Phase Dry Type Transformer 480V Delta To 380/400/416/430V Wye NEMA 3R
Essential Electric Supply
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$6,710.00
SG3A0030KY0C - Hammond Power Solutions 30Kva 3-Phase Dry Type Transformer 480V Delta To 380/400/416/430V Wye NEMA 3R
Essential Electric Supply
$209.59
ICM Controls ICM530 3-Phase Surge Protective Device For 240VAC (Delta) Or 120/208VAC (Wye) | Supplyhouse.Com
SupplyHouse.com
$209.59
ICM Controls ICM530 3-Phase Surge Protective Device For 240VAC (Delta) Or 120/208VAC (Wye) | Supplyhouse.Com
SupplyHouse.com
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3-Phase Autotransformer 600-480-400-240-208V
Maddox
$4,295.50
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$141.48
Robertshaw STXR480Y05 3 Phase Surge-Trap Series Surge Protective Device (277/480V) | Supplyhouse.Com
SupplyHouse.com
$141.48
Robertshaw STXR480Y05 3 Phase Surge-Trap Series Surge Protective Device (277/480V) | Supplyhouse.Com
SupplyHouse.com
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Hammond Power Solutions C3F015BKS POTTED 3PH 15KVA 208-480Y/277 Commercial Encapsulated Distribution Transformers Mrosupply
MRO Supply MC
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Hammond Power Solutions C3F015BKS POTTED 3PH 15KVA 208-480Y/277 Commercial Encapsulated Distribution Transformers Mrosupply
MRO Supply MC
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$201.51
ICM Controls ICM530 3-Phase Surge Protective Device, Delta 240VAC Or Wye 120/208VAC | Skip The Warehouse
Skip The Warehouse
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ICM Controls ICM530 3-Phase Surge Protective Device, Delta 240VAC Or Wye 120/208VAC | Skip The Warehouse
Skip The Warehouse
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Hammond Power Solutions DM175KK DRIVE 3PH 175Kva 480-480 AL Drive Isolation Transformers Mrosupply
MRO Supply MC
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Hammond Power Solutions DM175KK DRIVE 3PH 175Kva 480-480 AL Drive Isolation Transformers Mrosupply
MRO Supply MC
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Leviton Type 2 Surge Protective Panel, 208Y/120 VAC, Three Phase WYE, 130Ka Per Phase, B3120-YB
Amazon.com
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Leviton Type 2 Surge Protective Panel, 208Y/120 VAC, Three Phase WYE, 130Ka Per Phase, B3120-YB
Amazon.com
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Hammond Power Solutions P009PBKF POTTED 3PH 9KVA 600-208Y/120 Industrial Encapsulated Distribution Transformers Mrosupply
MRO Supply MC
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Hammond Power Solutions P009PBKF POTTED 3PH 9KVA 600-208Y/120 Industrial Encapsulated Distribution Transformers Mrosupply
MRO Supply MC
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3-Phase 480V Delta - 240V Delta / 120 15 Kva Transformer
Maddox
$1,517.13
3-Phase 480V Delta - 240V Delta / 120 15 Kva Transformer
Maddox
$6,686.27
30 Kva 3PH DOE Transformer, 480V Delta Primary, 208Y/120 Wye-N Secondary, Electrostatic Shielding, N
Larson Electronics
$6,686.27
30 Kva 3PH DOE Transformer, 480V Delta Primary, 208Y/120 Wye-N Secondary, Electrostatic Shielding, N
Larson Electronics
$177.87
Loncont Three-Phase Open Phase Protection Ac Solid-State Relay
eBay
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Loncont Three-Phase Open Phase Protection Ac Solid-State Relay
eBay
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$42.44
UYIEWPID 1PC Phase Failure Protection Relay 3 Phase Voltage Monitoring Relay 220V 380V 440V 460V 480V AC 50/60H Xiaguolingsm(JVRD-480)
Amazon.com
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UYIEWPID 1PC Phase Failure Protection Relay 3 Phase Voltage Monitoring Relay 220V 380V 440V 460V 480V AC 50/60H Xiaguolingsm(JVRD-480)
Amazon.com
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Hammond Power Solutions SG3A0300KB0AF D16 SNTL-G 3 Phase 300Kva 480D-208Y/120V Aluminum 60Hz 115C 3R Mrosupply
MRO Supply MC
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Hammond Power Solutions SG3A0300KB0AF D16 SNTL-G 3 Phase 300Kva 480D-208Y/120V Aluminum 60Hz 115C 3R Mrosupply
MRO Supply MC
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$9,056.00
SG3A0075KY - Hammond Power Solutions 3-Phase 75Kva 480V Delta To 380Y/220V Dry Type Transformer NEMA 3R
Essential Electric Supply
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SG3A0075KY - Hammond Power Solutions 3-Phase 75Kva 480V Delta To 380Y/220V Dry Type Transformer NEMA 3R
Essential Electric Supply
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$140.99
Ditec | Ditek Dtk-4803Cmxplus 3-Phase Surge Protector 480Vac
ktool-sao-feed
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$140.99
Ditec | Ditek Dtk-4803Cmxplus 3-Phase Surge Protector 480Vac
ktool-sao-feed
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Intermatic AG2083C3 120/208 VAC Three Phase Surge Protection Device, Black
Amazon.com
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$142.50
Intermatic AG2083C3 120/208 VAC Three Phase Surge Protection Device, Black
Amazon.com
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Three-phase transformer connections and vector groups for beginners
Three-phase transformer connections and vector groups fo…
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5 transformer fault conditions and how to protect from them | EEP
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electrical-engineering-portal.com
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The basic protection schemes for 4 typical transformer types in powe…
May 13, 2019
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Aug 10, 2020
electrical-engineering-portal.com
Fundamentals of Three-Phase Electrical Transformers - EEP Academy Courses
Fundamentals of Three-Phase Electrical Transformers - EEP Aca…
Nov 13, 2024
electrical-engineering-portal.com
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Shop Three-Phase Transformer Protection

Sponsored
About our ads
$27,930.00
Hammond Power Solutions TE3A0440KG NRC18 DIT 3 Phase 440Kva 480D-380Y/220 V Aluminum 60Hz 3R Mrosupply
MRO Supply MC
Free shipping
$27,930.00
Hammond Power Solutions TE3A0440KG NRC18 DIT 3 Phase 440Kva 480D-380Y/220 V Aluminum 60Hz 3R Mrosupply
MRO Supply MC
Free shipping
$70.09
Ditek DTK-2403CMXPLUS 3 Phase Surge Protective Device (240V) | Supplyhouse.Com
SupplyHouse.com
$70.09
Ditek DTK-2403CMXPLUS 3 Phase Surge Protective Device (240V) | Supplyhouse.Com
SupplyHouse.com
$564.71
Leviton Type 1 Surge Protective Panel, Residential Home Surge Protection, 208Y/120 VAC, Three Phase WYE, 50Ka Per Phase, P3120-YB SPD
Amazon.com
Free shipping
$564.71
Leviton Type 1 Surge Protective Panel, Residential Home Surge Protection, 208Y/120 VAC, Three Phase WYE, 50Ka Per Phase, P3120-YB SPD
Amazon.com
Free shipping
$3,620.00
Hammond Power Solutions TE3A0020NGM NRC18 DIT 3 Phase 20Kva 575D-380Y/220V Copper 60Hz 3R Mrosupply
MRO Supply MC
Free shipping
$3,620.00
Hammond Power Solutions TE3A0020NGM NRC18 DIT 3 Phase 20Kva 575D-380Y/220V Copper 60Hz 3R Mrosupply
MRO Supply MC
Free shipping
$1,569.99
4Kva Isolation Transformer, 3 Phase Voltage Transformer, 480V Primary - 208V Secondary, Step Up/Down Transformer Isolation Transformer Three Phase
Amazon.com
$1,569.99
4Kva Isolation Transformer, 3 Phase Voltage Transformer, 480V Primary - 208V Secondary, Step Up/Down Transformer Isolation Transformer Three Phase
Amazon.com
$20.69
TG30 3 Phase Phase Sequence Relay Phase Failure Loss Power Supply Monitor Relay 3 Phase Sequence Protector For Motors Pumps 220 380VAC
Amazon.com
$20.69
TG30 3 Phase Phase Sequence Relay Phase Failure Loss Power Supply Monitor Relay 3 Phase Sequence Protector For Motors Pumps 220 380VAC
Amazon.com
$240.86
Square D | SDSA2040D | SDSA Surge Protective Device, 240 V Delta, 3-Phase, 3-Wire
Blackhawk Supply
$240.86
Square D | SDSA2040D | SDSA Surge Protective Device, 240 V Delta, 3-Phase, 3-Wire
Blackhawk Supply