A total of 1363 items for Protection Relays & Systems products

Manufacturers
  • Carlo Gavazzi

  • Littelfuse

  • Macromatic Industrial Controls, Inc.

  • Mueller Electric

  • Omron Automation & Safety

  • Panduit Corp.

  • Phoenix Contact

  • R-K Electronics

  • Red Lion Controls

  • Rishabh Instruments

  • Schurter

  • Selec USA

  • Siemens

  • State Supply

  • TE Aerospace, Defense & Marine

  • TE Connectivity

  • TELE Controls Inc

  • WAGO Corporation

  • Waldom Electronics

Product Status
  • Active

  • Discontinued at Digi-Key

  • Last Time Buy

  • Obsolete

Operating Temperature
  • -

  • -10°C ~ 50°C

  • -10°C ~ 55°C

  • -10°C ~ 60°C

  • -20°C ~ 40°C

  • -20°C ~ 60°C

  • -20°C ~ 65°C

  • -20°C ~ 70°C

  • -20°C ~ 85°C

  • -25°C ~ 40°C

  • -25°C ~ 45°C

  • -25°C ~ 50°C

  • -25°C ~ 55°C

  • -25°C ~ 60°C

  • -25°C ~ 70°C

  • -28°C ~ 65°C

  • -40°C ~ 50°C

  • -40°C ~ 59°C

  • -40°C ~ 60°C

  • -40°C ~ 65°C

  • -40°C ~ 70°C

  • -40°C ~ 75°C

  • -40°C ~ 85°C

  • 0°C ~ 40°C

  • 0°C ~ 50°C

  • 0°C ~ 55°C

  • 0°C ~ 65°C

Features
  • -

  • Automatic Reset

  • Automatic Reset, CT Loop Monitoring, Manual Reset, Test Button

  • Automatic Reset, Manual Reset

  • Automatic Reset, Manual Reset, Test Button

  • Automatic Reset, Test Button

  • CT Loop Monitoring, Harmonic Filtering

  • CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button

  • Demo Kit with CIO-EN

  • Demo Kit with CIO-EN and RM-1000

  • Demo Kit with CIO-EN and RM-1000/2000

  • Harmonic Filtering, Manual Reset

  • Harmonic Filtering, Manual Reset, Test Button

  • Manual Reset

  • Manual Reset, Test Button

  • Test Button

Mounting Type
  • -

  • Chassis Mount

  • Chassis Mount, DIN Rail

  • DIN Rail

  • Panel Mount

  • Socketable

Termination Style
  • -

  • Plug In, 11 Pin (Octal)

  • Plug In, 8 Pin (Octal)

  • Quick Connect - 0.187"/0.250"

  • Screw Terminal

  • Spring Terminal

  • Stud

  • Wire Leads

Voltage - Supply
  • -

  • 100 ~ 120VAC

  • 100 ~ 125VAC

  • 100 ~ 130VAC

  • 100 ~ 140VAC, 100 ~ 200VDC

  • 100 ~ 240VAC

  • 100 ~ 240VAC, 110 ~ 250VAC, 14 ~ 48VDC

  • 100 ~ 240VAC, 110 ~ 250VDC, 24 ~ 48VDC

  • 100 ~ 240VAC, 14 ~ 48VDC, 110 ~ 250VDC

  • 100 ~ 240VAC/DC, 24 ~ 48VDC

  • 100/110/120VAC

  • 100/110VAC, 200/220VAC

  • 11 ~ 15VAC

  • 11 ~ 15VDC

  • 110 ~ 120VAC

  • 110 ~ 230VAC, 24VDC

  • 110 ~ 240VAC

  • 110VAC

  • 115VAC

  • 12 ~ 24VDC

  • 12 ~ 400VAC

  • 12 ~ 400VAC, 24VDC

  • 12 ~ 500VAC

  • 12 ~ 560VDC

  • 12/24VDC

  • 120 ~ 240VAC/DC

  • 120 ~ 277VAC

  • 120/208VAC

  • 120/220/266VAC

  • 120/240VAC/DC

  • 120VAC

  • 120VAC/DC

  • 120VDC

  • 125VDC

  • 12VDC

  • 13.5 ~ 32VDC

  • 160 ~ 690VAC

  • 165 ~ 300VAC

  • 170 ~ 290VAC

  • 177 ~ 794VAC

  • 18 ~ 72VDC

  • 18VDC

  • 190 ~ 480VAC

  • 190 ~ 500VAC

  • 20 ~ 24VAC

  • 20 ~ 24VDC

  • 20 ~ 40VAC, 60VDC

  • 200 ~ 220VAC

  • 200 ~ 240VAC

  • 200 ~ 250VAC

  • 200 ~ 480VAC

  • 200/220/240VAC

  • 200VAC

  • 208 ~ 240VAC

  • 208 ~ 480VAC

  • 208 ~ 600VAC

  • 208VAC

  • 22 ~ 27VAC

  • 22 ~ 27VDC

  • 220 ~ 250VAC

  • 220 ~ 250VAC, 200 ~ 300VDC

  • 220 ~ 254VAC

  • 220VAC

  • 230VAC

  • 24 ~ 240VAC

  • 24 ~ 240VAC/DC

  • 24 ~ 48VDC

  • 24/48VAC

  • 240VAC

  • 240VDC

  • 24VAC

  • 24VAC, 48VDC

  • 24VAC/DC

  • 24VDC

  • 250VDC

  • 26VDC

  • 280 ~ 600VAC

  • 28VDC

  • 29 ~ 33VDC

  • 32VDC

  • 340 ~ 480VAC

  • 350 ~ 420VAC

  • 380 ~ 415VAC

  • 380 ~ 480VAC

  • 380/400/440VAC

  • 380VAC

  • 381 ~ 415VAC

  • 400/440VAC

  • 410 ~ 490VAC

  • 415 ~ 480VAC

  • 416VAC

  • 42 ~ 55VDC

  • 440 ~ 480VAC

  • 460 ~ 600VAC

  • 460VAC

  • 48 ~ 220VDC

  • 480VAC

  • 48VDC

  • 500 ~ 600VAC

  • 520 ~ 600VAC

  • 575 ~ 600VAC

  • 575VAC

  • 58 ~ 138VAC

  • 60 ~ 300VAC/DC

  • 600VAC

  • 65 ~ 265VAC, 80 ~ 275VDC

  • 65 ~ 265VAC, 85 ~ 275VDC

  • 90 ~ 400VAC

  • 90 ~ 690VAC

Delay Time
  • -

  • 0 ~ 0.5s

  • 0 ~ 1.5s

  • 0 ~ 100s

  • 0 ~ 10s

  • 0 ~ 1s

  • 0 ~ 20s

  • 0 ~ 30s

  • 0 ~ 5s

  • 0 ~ 600s

  • 0 ~ 60s

  • 0 ~ 99.9s

  • 0 ~ 999s

  • 0.03 ~ 20s

  • 0.03 ~ 2s

  • 0.05 ~ 0.25s

  • 0.05 ~ 1s

  • 0.05 ~ 2.5s

  • 0.05 ~ 2s

  • 0.075 ~ 0.1s

  • 0.075 ~ 1s

  • 0.1 ~ 0.5s

  • 0.1 ~ 10s

  • 0.1 ~ 1s

  • 0.1 ~ 2.5s

  • 0.1 ~ 20s

  • 0.1 ~ 2s

  • 0.1 ~ 40s

  • 0.15 ~ 0.3s

  • 0.1s

  • 0.2 ~ 0.5s

  • 0.2 ~ 10s

  • 0.2 ~ 20s

  • 0.2 ~ 500s

  • 0.3/0.8s

  • 0.5 ~ 10s

  • 0.5 ~ 2.5s

  • 0.5 ~ 20s

  • 0.5 ~ 40s

  • 0.5s

  • 0.75 ~ 0.1s

  • 0.75s

  • 0.9 ~ 1.3s

  • 1 ~ 10s

  • 1 ~ 40s

  • 1 ~ 50s

  • 1 ~ 5s

  • 1.5s

  • 1s

  • 2 ~ 10s

  • 2 ~ 300s

  • 2 ~ 40s

  • 2 ~ 500s

  • 2 ~ 60s

  • 3 ~ 30s

  • 5s

  • 60ms

Trip Range
  • -

  • 0 ~ 560VAC, 40 ~ 65Hz

  • 0.005 ~ 75VAC

  • 0.01 ~ 3A

  • 0.01 ~ 5A

  • 0.025 ~ 0.4VAC

  • 0.03 ~ 5A

  • 0.1 ~ 0.2A

  • 0.1/0.2A

  • 0.125 ~ 30A

  • 0.2 ~ 1A

  • 0.2/0.5A

  • 0.25 ~ 4.5VAC

  • 0.3 ~ 30A

  • 0.5 ~ 1000A

  • 0.5 ~ 21A, 40 ~ 740A, 170 ~ 528VAC

  • 0.5 ~ 4A

  • 0.5 ~ 5A

  • 0.5/1A

  • 0.5mA ~ 3.8A, 18.0 ~ 28.8VDC

  • 0.5mA ~ 4A, 18.0 ~ 28.8VDC

  • 0.7 ~ 7PPS

  • 1 ~ 10PPS

  • 1 ~ 160A

  • 1 ~ 20mA

  • 1 ~ 5A

  • 1 ~ 800A, 170 ~ 528VAC

  • 1 ~ 800A, 340 ~ 528VAC

  • 1 ~ 9A, 170 ~ 528VAC

  • 1 ~ 9A, 85 ~ 264VAC

  • 1.4 ~ 26VAC

  • 1.43 ~ 1.95VDC

  • 1.76 ~ 2.4VAC

  • 1.76 ~ 2.4VDC

  • 10 ~ 100PPS

  • 10 ~ 13VAC

  • 10 ~ 150VAC

  • 10 ~ 25 klux

  • 10 ~ 30 klux

  • 10 ~ 800A

  • 10 ~ 800A, 170 ~ 528VAC

  • 10 ~ 800A, 85 ~ 264VAC

  • 100 ~ 1200A

  • 100 ~ 240V AC

  • 100mA ~ 0.5A

  • 102 ~ 318V AC

  • 10A

  • 10mA ~ 3A

  • 12.6 ~ 22.5VAC

  • 120 ~ 150VAC

  • 125mA ~ 30A

  • 13 ~ 16.9VAC

  • 135 ~ 300VAC

  • 140 ~ 250VAC

  • 145.6 ~ 208VAC

  • 145.6 ~ 260VAC

  • 15 ~ 150PPS

  • 16 ~ 20.8VAC

  • 16.8 ~ 30VAC

  • 16.8VDC ~ 24VDC

  • 160 ~ 690VAC

  • 165 ~ 317.5VAC

  • 168 ~ 300VAC

  • 168 ~ 300VDC

  • 170 ~ 290VAC

  • 175 ~ 312.5VAC

  • 177 ~ 552V AC

  • 180 ~ 230VAC

  • 180 ~ 690VAC

  • 185 ~ 240VAC

  • 19.6 ~ 35VDC

  • 2 ~ 100A, 450 ~ 660VAC

  • 2 ~ 24 klux

  • 2 ~ 800A

  • 2 ~ 800A, 170 ~ 528VAC

  • 2 ~ 800A, 340 ~ 528VAC

  • 2 ~ 800A, 340VAC

  • 2 ~ 800A, 450 ~ 660VAC

  • 2 ~ 8A

  • 2 ~ 90A, 170 ~ 660VAC

  • 2 ~ 90A, 85 ~ 264VAC

  • 2.2 ~ 2.7VAC

  • 2.2 ~ 2.7VDC

  • 2.86 ~ 3.51VDC

  • 2.9 ~ 33VDC

  • 20 ~ 10000VAC

  • 20 ~ 25VAC

  • 20 ~ 65A

  • 200 ~ 480V AC

  • 208 ~ 260VAC

  • 20A

  • 22.4 ~ 40VAC

  • 240 ~ 300VAC

  • 253 ~ 380VAC

  • 25mA ~ 0.5A

  • 26 ~ 32.5VAC

  • 266 ~ 475VAC

  • 291.2 ~ 520VAC

  • 3.52 ~ 4.32VAC

  • 3.52 ~ 4.32VDC

  • 300mA

  • 30mA

  • 30mA ~ 30A

  • 311.25 ~ 600VAC

  • 32 ~ 40VAC

  • 32 ~ 48VDC

  • 320 ~ 415VAC

  • 320 ~ 480V AC

  • 33.6 ~ 60VAC

  • 336 ~ 480VAC

  • 336 ~ 600VAC

  • 345 ~ 460VAC

  • 345 ~ 575VAC

  • 35 ~ 42VAC

  • 360 ~ 460VAC

  • 38 ~ 380VAC

  • 380 ~ 480VAC

  • 4 ~ 20A

  • 4.2 ~ 5.5VDC

  • 4.5 ~ 5A

  • 40 ~ 415VAC

  • 402.5 ~ 718.75VAC

  • 41 ~ 49VAC

  • 43.5 ~ 172.5VAC

  • 45.5 ~ 54.6VAC

  • 45Hz ~ 66Hz

  • 5 ~ 50PPS

  • 5 ~ 60A

  • 5 ~ 6A

  • 5.46 ~ 7.15VDC

  • 50 ~ 160A

  • 500mA

  • 500mA ~ 6A

  • 50Hz ~ 60Hz

  • 50Hz ~ 70Hz

  • 518.75 ~ 285.75VAC

  • 52 ~ 60VAC

  • 53.3 ~ 63.7VAC

  • 575 ~ 718.75VAC

  • 6 ~ 30A

  • 60Hz ~ 70Hz

  • 65.6 ~ 78.4VAC

  • 67.6 ~ 78VAC

  • 68 ~ 150VAC

  • 72 ~ 672VAC

  • 79.2 ~ 120VAC

  • 8 ~ 26A

  • 8.4 ~ 15VAC

  • 8.4 ~ 392VAC, 15 ~ 700VAC

  • 80.5 ~ 143.75VAC

  • 82.5 ~ 300VAC

  • 83.2 ~ 96VAC

  • 84 ~ 120VAC

  • 84 ~ 150VAC

  • 84/145.6 ~ 150/260VAC

  • 85 ~ 690VAC

  • 87.5 ~ 125VDC

  • 87.5 ~ 156.25VAC

  • 9 ~ 25 klux

  • 90 ~ 400VAC

Function
  • -

  • Arc-Flash

  • Arc-Flash, Overcurrent

  • Arc-Flash, Overload

  • Ground Fault

  • Ground Fault , Overcurrent, Undercurrent

  • Ground Fault , Overload, Underload

  • Ground Fault , Underload

  • Ground Fault, Overcurrent

  • Ground Fault, Overcurrent, Overvoltage, Undercurrent, Undervoltage

  • Ground Fault, Overcurrent, Undercurrent

  • Ground Fault, Overcurrent, Undercurrent, Undervoltage

  • Ground Fault, Overtemperature

  • Ground Fault, Overvoltage

  • Ground Fault, Overvoltage, Phase Imbalance, Phase Loss, Phase Sequence, Undervoltage

  • Multiple

  • Overcurrent

  • Overcurrent, Overload, Undercurrent, Underload

  • Overcurrent, Overtemperature, Overvoltage, Undervoltage

  • Overcurrent, Phase Loss, Phase Sequence

  • Overcurrent, Undercurrent

  • Overfrequency, Overvoltage, Phase Imbalance, Phase Loss, Underfrequency, Undervoltage

  • Overfrequency, Overvoltage, Underfrequency, Undervoltage

  • Overfrequency, Underfrequency

  • Overspeed

  • Overtemperature

  • Overvoltage

  • Overvoltage, Phase Imbalance, Phase Loss, Undervoltage

  • Overvoltage, Undervoltage

  • Phase Imbalance

  • Phase Imbalance, Phase Loss, Phase Sequence, Overvoltage, Undervoltage

  • Phase Imbalance, Phase Loss, Phase Sequence, UnderVoltage

  • Phase Loss

  • Phase Loss, Phase Sequence

  • Phase Loss, Phase Sequence, Overvoltage, Undervoltage

  • Phase Loss, Phase Sequence, UnderVoltage

  • Phase Sequence

  • Underfrequency

  • Underspeed

  • Undervoltage

Filtered Results:

A total of 1363 items for Protection Relays & Systems products

Part Number Pricing(USD) AvailabilityQuantityDescriptionProduct StatusOperating TemperatureFeaturesMounting TypeTermination StyleVoltage - SupplyDelay TimeTrip RangeFunction

1+   $2717.8000

2+   $2642.2800

6+   $2536.6000

12+   $2454.7800

23+   $2378.0600

1510
GROUND FAULT MONITORActive-Automatic Reset, Manual ResetChassis MountScrew Terminal----

1+   $353.4400

10+   $322.8400

25+   $305.9400

50+   $293.7200

1508
THERMISTOR MOT. PROT. 1NO 1NC BIActive-25°C ~ 60°CAutomatic ResetDIN RailScrew Terminal----
TVM-200-20
TVM-200-20

R-K Electronics

Datasheet

1+   $260.0000

5+   $223.2000

10+   $260.0000

822
3 VOLT RELAY ADJ 200-250VAC 10PActive0°C ~ 40°C-SocketablePlug In, 8 Pin (Octal)----

1+   $270.0000

5+   $241.2000

10+   $270.0000

1609
AC CURRENT, GO NO-GO 5 AMP PICK-Active0°C ~ 55°CManual ResetChassis MountWire Leads----
DPM-240A-B
DPM-240A-B

R-K Electronics

Datasheet

1+   $340.0000

5+   $306.0000

10+   $340.0000

957
3 VOLT RELAY, 240VAC, 200-600VACActive-40°C ~ 59°C-Chassis MountScrew Terminal----
DPM-24A-B
DPM-24A-B

R-K Electronics

Datasheet

1+   $340.0000

5+   $306.0000

10+   $340.0000

2062
3 VOLT RELAY, 24VAC, 200-600VAC,Active-40°C ~ 59°C-Chassis MountScrew Terminal----

1+   $540.0000

5+   $426.6000

10+   $540.0000

1979
1&3 VOLTAGE MONITOR 120VAC 8-PINActive0°C ~ 65°CManual ResetChassis MountPlug In, 8 Pin (Octal)----
MVPL-24A-A1C
MVPL-24A-A1C

R-K Electronics

Datasheet

1+   $540.0000

5+   $426.6000

10+   $540.0000

2879
1&3 VOLTAGE MONITOR 24AC 8-PINActive0°C ~ 65°CManual ResetChassis MountPlug In, 8 Pin (Octal)----

1+   $528.5790

5+   $513.9000

13+   $493.3440

27+   $477.4320

54+   $462.5100

1547
3-PHASE OLR/200-480V/2-800FLA+Active-20°C ~ 70°C-Chassis MountScrew Terminal----

1+   $633.4380

10+   $512.2620

1527
GRND FAULT INDICAT SYST LED 30VActive-Test ButtonPanel MountScrew Terminal----

1+   $1380.4000

3+   $1359.6800

5+   $1339.2800

10+   $1319.2000

1520
GRND FAULT INDICATE SYST 3PHASEActive--Chassis Mount, DIN RailScrew Terminal----

1+   $2650.3200

1504
SENS GRND FAULT RELAY 24VDC SUPActive-CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test ButtonDIN RailScrew Terminal----

1+   $6642.7600

3+   $6543.1000

5+   $6444.9600

1505
GRND RESISTOR RELAY UNIVERSALActive-40°C ~ 60°CHarmonic Filtering, Manual ResetPanel MountScrew Terminal----

1+   $359.2890

10+   $359.2800

1534
TERM ASSY 5.6V 50WActive--Chassis MountScrew Terminal----
K2CM-1LS
K2CM-1LS

Omron Automation & Safety

Datasheet

1+   $795.3600

10+   $780.4000

1502
RELAY MOTOR PROTECTIVE 2-8AActive-10°C ~ 60°CManual Reset, Test ButtonChassis MountScrew Terminal----

1+   $1142.3400

3+   $1130.9200

5+   $1119.6000

10+   $1108.4000

1518
3-PHASE OVERLOAD RELAY/200-480Active-20°C ~ 70°C-Chassis Mount-----

1+   $8224.9200

3+   $7959.6000

5+   $7835.2400

1505
ARC-FLASH RELAY NO COMM. UL&C-TIActive-40°C ~ 70°C-Chassis Mount, DIN RailScrew Terminal----
DPD02DM44
DPD02DM44

Carlo Gavazzi

Datasheet

1+   $178.6770

2+   $175.3650

4+   $172.0620

5+   $165.4470

1521
3PH MONITORING RELAY 480VActive-20°C ~ 60°C-DIN RailScrew Terminal----
77C
77C

Littelfuse

Datasheet

1+   $807.5000

10+   $685.2200

1503
1-PHASE OVERLOAD RELAY/ 100-24Active-20°C ~ 70°C-Chassis Mount-----

1+   $2394.1600

1502
GROUND-FAULT GROUND-CHECK MONActive-Automatic Reset, Manual ResetChassis MountScrew Terminal----

1+   $2525.8800

3+   $2500.6200

5+   $2475.6000

1502
AC/DC EARTH-LKGE RELAY 75-275VActive-CT Loop Monitoring, Harmonic FilteringPanel MountSpring Terminal----

1+   $2908.2200

2+   $2827.4400

5+   $2714.3400

11+   $2626.7800

22+   $2544.7000

1505
NGR MONITOR 120VAC SUPPLYActive-Manual ResetChassis MountScrew Terminal----
WD2759-003
WD2759-003

TE Aerospace, Defense & Marine

Datasheet

1+   $5298.0800

2+   $5218.6000

3+   $3672.3600

4+   $2841.2400

5+   $2784.4200

1502
WD2759-003=OVER/UNDERVOLTAGE RActive-40°C ~ 60°C-Chassis Mount, DIN RailScrew Terminal----
D101X
D101X

TE Aerospace, Defense & Marine

Datasheet

1+   $3797.0000

2+   $3740.0400

3+   $3683.9400

4+   $3628.6800

5+   $3574.2600

1507
D101X=RELAY, CLOSE DIFFERENTIAActive-20°C ~ 85°C-Chassis MountStud----
3-1618100-0
3-1618100-0

TE Aerospace, Defense & Marine

Datasheet

1+   $4403.8000

2+   $4359.7600

3+   $4316.1600

4+   $4273.0000

5+   $4230.2800

1509
RELAY VOLTAGE 3 PHASE 480 VACActive-20°C ~ 85°C-Chassis MountStud----
PCPU
PCPU

Macromatic Industrial Controls, Inc.

Datasheet

1+   $79.8480

10+   $75.8520

25+   $71.8650

50+   $67.8690

100+   $63.8820

1523
THREE-PHASE MONITORING RELAYActive-28°C ~ 65°CAutomatic ResetSocketablePlug In, 8 Pin (Octal)----
PLPU
PLPU

Macromatic Industrial Controls, Inc.

Datasheet

1+   $177.4400

10+   $168.5600

25+   $159.7000

1514
THREE-PHASE MONITORING RELAYActive-28°C ~ 65°CAutomatic ResetSocketablePlug In, 8 Pin (Octal)----
PAP240
PAP240

Macromatic Industrial Controls, Inc.

Datasheet

1+   $86.3190

1533
THREE-PHASE MONITORING RELAYActive-28°C ~ 65°CAutomatic ResetSocketablePlug In, 8 Pin (Octal)----
PAP480
PAP480

Macromatic Industrial Controls, Inc.

Datasheet

1+   $204.1800

1514
THREE-PHASE MONITORING RELAYActive-28°C ~ 65°CAutomatic ResetSocketablePlug In, 8 Pin (Octal)----

1+   $259.0200

10+   $246.0600

25+   $233.1200

50+   $220.1600

100+   $207.2200

1509
THERMISTOR MOT. PROT. 1CO US=A1Active-25°C ~ 60°CAutomatic ResetDIN RailScrew Terminal----