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We stock and service Schweitzer Engineering Industrial Automation equipment, replacement parts and related systems - both current and discontinued products.

Select from the search results below or call us at (212) 772- 6992 ext. 704 or email rfitzgerald@yorkscientific.com for help with your Schweitzer Engineering requirements.

Click here to have us contact you with a quote or for further assistance.

65 results found for "Schweitzer Engineering"
Schweitzer Engineering

700g Touchscreen Generator And Inertie Protection Relay 0700g12bib9x7785a300, 24v/110v

0700G12BIB9X7785-Refurbished

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Schweitzer Engineering

Breaker Failure Relay

SEL-352-Refurbished

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Schweitzer Engineering

Control Relay Meter Fault Locator 48vdc 300vac

0351S61362552X1-Refurbished

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Schweitzer Engineering

Distribution Module Irig-b 2in/12out 12/24hr Led

SEL-3400-Refurbished

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Schweitzer Engineering

Distribution Relay Phase Overcurrent

251003-4556UHNC-Refurbished

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Schweitzer Engineering

Distribution Relay, Sel-251, Phase Overcurrent Relay, Voltage Control, Ground Overcurrent, Fault Locator, Selogic Control Input / 125 Vdc, Power Supply / 15 W M

SEL-251-251000-4556UHGB-Refurbished

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Schweitzer Engineering

Distribution Relay, Sel-251d, Phase Overcurrent Relay W/ Voltage Control, Ground Overcurrent, Fault Locator, Selogic Control Input / 125 Vd, Power Supply / 15 W

SEL-251D-251D00-4356UHGB-Refurbished

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Schweitzer Engineering

Do Not Use, Feeder Protection Relay, 20w, 24/48v, Base Model

SEL-751-Refurbished

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Schweitzer Engineering

Dual Overcurrent Relay 5.5watt 85-140vac

0501203X561X2B-Refurbished

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Schweitzer Engineering

Feeder Protection Relay, 110-250 Vdc, 110-240 Vac Supply, 50/60 Hz, Pushbutton Interface, Digital Display

751A01ACA0X74851000-Refurbished

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Schweitzer Engineering

Feeder Protection Relay, 2-16 Character Lcd, Navagation / Relay Control / Data / Diagnostics / Fault Location / High-impedance Fault Detection / Ethernet/ip / Integrated Web Server

SEL-751A-751A51ACA0X73850220-Refurbished

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Schweitzer Engineering

Feeder Protection Relay, Model Sel-751a, 20 W / 40 Va, 110-250 V, 50/60 Hz

SEL-751A-751A51A0X0X71850000-Refurbished

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Schweitzer Engineering

Feeder Protection Relay, Model Sel-751a, Data Acquisition 16 Samples/cycle, Event Report 15 Or 64 Cycles, Incoming Goose Messages Support 16, Synchronized Phasor Measurement Up To 10 Message

751A01A1A0X75850200-Refurbished

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Schweitzer Engineering

Feeder Protection Relay, Sel751a Model, Standard Firmware, 110-250 V Dc, 110-240 V Ac, 50/60 Hz, Eia-232, W/o Ethernet

751A51AA01A71850000-Refurbished

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Schweitzer Engineering

Feeder Protection Relay, Sel-751a, Lcd, 125 V, 50/60 Hz, Panel Led, Programmable Pushbutton, Arc-flash Mitigation, Event Analysis

751A01A0X0X71850000-Refurbished

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Schweitzer Engineering

Generator Protection Relay Model 0700gt1a1a0x75850020

SEL-700GT-Refurbished

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Schweitzer Engineering

Incomplete Part Number, Dual Overcurrent Relay

SEL-501-Refurbished

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Schweitzer Engineering

Line Current Differential Protection 38-200vdc 5-h

0311B0W413254X1-Refurbished

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Schweitzer Engineering

Line Protection High Speed W/ Sub-cycle Elements

SEL-421-5-Refurbished

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Schweitzer Engineering

Motor Management Relay, 30va / 12 W, Input / 0.5-128 Amp / 100-690 Vac, Supply / 110/250 Vdc / 110/240 Vac / 50/60 Hz, Internally Wetted To 24 Vdc

SEL-849-084900101100100-Refurbished

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Schweitzer Engineering

Motor Protection Relay 40va 15w 110/240v 50/60hz

071001A0X0X72850100-Refurbished

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Schweitzer Engineering

Motor Protection Relay, Sel-710 Series, Programmable, 32 Custom Display Labels, 2 16 Character Lcd, Protection For Overcurrent / Thermal Overload / Undercurrent Current Unbalance / Current D

SEL-710-071001ABA0X71850001-Refurbished

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Schweitzer Engineering

Motor Protection Relay, Sel-710 Series, Programmable, 32 Custom Display Labels, 2 16 Character Lcd, Protection For Overcurrent / Thermal Overload / Undercurrent Current Unbalance / Current D

SEL-710-071001ABA0X0X850001-Refurbished

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Schweitzer Engineering

Motor Protection Relay, Sel-710 Series, Programmable, 32 Custom Display Labels, 2 16 Character Lcd, Protection For Overcurrent / Thermal Overload / Undercurrent Current Unbalance / Current D

SEL-710-071001A0X0X0X850000-Refurbished

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Schweitzer Engineering

Motor Protection Relay, Sel-710 Series, Programmable, 32 Custom Display Labels, 2 16 Character Lcd, Protection For Overcurrent / Thermal Overload / Undercurrent Current Unbalance / Current D

SEL-710-071001A0X0X0X850001-Refurbished

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Schweitzer Engineering

Motor Protection Relay, Sel-710, Digital Input / 125 Vac/dc, Supply / 40 Va / 20 W / 125/250 V / 120/240 V / 50/60 Hz, 240 V Max, Single Port 10/100base-t

SEL-710-071050E1A1A0X0X850201-Refurbished

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Schweitzer Engineering

Overcurrent Protective Relay, Sel-551, 85-140 Vac, 36-200 Vdc, 5.5w Maximum, 125 Vdc Logic Input, Eia-45 Serial Port

SEL-551-0551002X5C2X-Refurbished

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Schweitzer Engineering

Overcurrent Protective Relay, Sel-551, 85-140 Vac, 36-200 Vdc, 5.5w Maximum, 125 Vdc Logic Input, Eia-45 Serial Port

SEL-551-0551C0AX534X-Refurbished

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Schweitzer Engineering

Overcurrent Protective Relay, Sel-551, 85-140 Vac, 36-200 Vdc, 5.5w Maximum, 125 Vdc Logic Input, Eia-45 Serial Port

SEL-551-0551003X532X-Refurbished

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Schweitzer Engineering

Overcurrent Relay Dual 5.5w 125vac 50/60hz

05012W3X561BXB4-Refurbished

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Schweitzer Engineering

Phase And Ground Distance Relay

SEL-121H-Refurbished

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Schweitzer Engineering

Phase And Ground Distance Relay, Directional Overcurrent Relay, Sel-321, Fault Locator, 125 Vdc Logic Input, 5 Amp, 25w Max, 85-264 Vac / 85-350 Vdc Power Supply, 50/60 Hz, Abc Rotation

SEL321-321124256HNB554-Refurbished

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Schweitzer Engineering

Phase Ground Relay Vertical Sel-221f 125vac/dc

221F00-4256MVNB-Refurbished

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Schweitzer Engineering

Phase/ground Distance Relay 125vac/dc 12w 5a 60hz

SEL-121F00-4256MHNB-Refurbished

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Schweitzer Engineering

Phase/ground Distance Relay, Power Supply, 85-264vac, 50/60hz, 15w Max, 5amp

SEL-221G-221G00-4256MHGB-Refurbished

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Schweitzer Engineering

Phase/ground Distance Relay, Power Suppy 125vac/dc 14w, Logic Input 125vdc

SEL-221G-221G05-4256MHGB-Refurbished

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Schweitzer Engineering

Processor 125/250vac/dc 50/60hz Sel-2020

20200040X5-Refurbished

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Schweitzer Engineering

Protection And Automation System, Sel-311b, 120vac, 50/60hz, 25watt

SEL-311B-0311B00H23254X1-Refurbished

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Schweitzer Engineering

Protection And Automation System, Sel-311c, Logic Input / 5 Phase / 5 Pole / 125 Vdc / 150 Vac Wye, Power Supply / 25 W / 85-350 Vdc / 85-364 Vac / 125-250 Vdc

SEL-311C-0311C01H242542X-Refurbished

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Schweitzer Engineering

Protection Relay Motor 110-250v 10rtd Input 5amp

071001ABA9X72850000-Refurbished

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Schweitzer Engineering

Protection System Relay 125vdc 85/140vac 25w

0351S6Y48355461-Refurbished

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Schweitzer Engineering

Protection System Relay 24/250v 18/350vdc 50/60hz

0351S61543552X1-Refurbished

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Schweitzer Engineering

Protection System Relay 2u 125/250vac/dc 5amp

0351A032X4E5521-Refurbished

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Schweitzer Engineering

Protection System, Advanced Distribution Feeder Solution, With Integrated Protection Monitoring

0351S7154355421-Refurbished

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Schweitzer Engineering

Protection System, Sel-351, Directional Overcurrent Relay, Reclosing Relay, Fault Locator, Selogic Control Equations, Power Supply Rating:38-200 Vdc, 85-140 Vac,

SEL-351A-0351A00324554X1-Refurbished

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Schweitzer Engineering

Relay Curr Diff Sel-387 85-140ac 38-200dc 50/60hz

0387513X552X4X1-Refurbished

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Schweitzer Engineering

Relay Current Diff 18-60dc 24/48vdc 25w Sel-387a

0387A0105X2X52X-Refurbished

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Schweitzer Engineering

Relay Current Differential 24vdc 5amp

0587001X531-Refurbished

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Schweitzer Engineering

Relay Dual Overcurrent Sel-501 125vac/dc 5amp 60hz

050100-3X561BXB-Refurbished

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Schweitzer Engineering

Relay Dual Overcurrent Sel-501 5ph 125v 5.5w 60hz

0501003X5625XB-Refurbished

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Schweitzer Engineering

Relay Dual Overcurrent Sel-501 5ph 125v 5.5w 60hz

050100BX5615XB-Refurbished

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