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Items 41-50 of 3263

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  1. 84873023
    84873023
    Crouzet Protection Relays, MW Series
    Item Number
    84873023
    MFG Item Number
    84873023
    Series
    MW
    Product Description
    Phase Monitoring Relay, 208-480VAC,
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 208-480 V
    Current Supported 5 A
    Hi Pwr (Over Vltg) Trip No
    Lo Pwr (Under Vltg) Trip Yes
    Under Current Detect No
    Over Current Detect No
    Variable Point Trip Yes
    Phase Loss Detect Yes
    Voltage Unbalance Detect No
    Current Unbalance Detect No
    Contact Failure Detect No
    Time Delay Trip (Sec) 0.1-10 s
    Restart Delay (Sec) 1.5 s
    Rapid Cycling Detect No
    Var Restart Delay No
    Type of Display LED Status Indicator
    Mounting DIN Rail
    Output Relay SPDT
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  2. SLU100ASD
    SLU100ASD
    Diversified Electronics Protection Relays, SLU100 Series
    Item Number
    SLU100ASD
    MFG Item Number
    SLU100ASD
    Series
    SLU100
    Product Description
    Phase Monitor, Universal, DIN Mount
    Specifications
    Specifications
    Number of Phases 3
    Current Supported 10 A
    Hi Pwr (Over Vltg) Trip Yes
    Lo Pwr (Under Vltg) Trip Yes
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Voltage Unbalance Detect Yes
    Voltage Unbalance % 2-10 %
    Time Delay Trip (Sec) 0.1-25 s
    Restart Delay (Sec) 0.5-300 s
    Var Restart Delay Yes
    Manual Reset Yes
    Type of Display LED Status Indicator
    Mounting DIN Rail
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  3. PLM9405
    PLM9405
    SSAC Protection Relays, PLM Series
    Item Number
    PLM9405
    MFG Item Number
    PLM9405
    Series
    PLM
    Product Description
    Voltage Monitor, 480V, 3-Ph,
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 480 V
    Current Supported 10 A
    Lo Pwr (Under Vltg) Trip Yes
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Voltage Unbalance Detect Yes
    Voltage Unbalance % 4 %
    Time Delay Trip (Sec) 5 s
    Type of Display LED Status Indicator
    Mounting Plug-In
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  4. APVR-480
    APVR-480
    Instrument Transformer, Div of Protection Relays, APVR Series
    Item Number
    APVR-480
    MFG Item Number
    APVR-480
    Series
    APVR
    Product Description
    PHASE LOSS & PHASE SEQUENCE
    Specifications
    Specifications
    Number of Phases 1
    Voltage Supported 380-530 V
    Type of Display LED Status Indicator
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  5. VWKE120A
    VWKE120A
    Macromatic Protection Relays, VW Series
    Item Number
    VWKE120A
    MFG Item Number
    VWKE120A
    Series
    VW
    Product Description
    VOLTAGE BAND RELAY 120VAC, SPDT,
    Specifications
    Specifications
    Number of Phases 1
    Voltage Supported 240 V
    Line Voltage 120 V
    Current Supported 15 A
    Hi Pwr (Over Vltg) Trip No
    Lo Pwr (Under Vltg) Trip No
    Under Current Detect No
    Over Current Detect No
    Variable Point Trip No
    Phase Loss Detect No
    Phase Rvrse/Rotatn Detect No
    Voltage Unbalance Detect No
    Current Unbalance Detect No
    Contact Failure Detect No
    Time Delay Trip (Sec) 0.1-10 s
    Rapid Cycling Detect No
    Var Restart Delay No
    Manual Reset No
    Type of Display LED Status Indicator
    Lo KW Trip Detect No
    Lo HP Trip Detect No
    Mounting DIN Rail
    Output Relay SPDT
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  6. SPVRB-480
    SPVRB-480
    Instrument Transformer, Div of GE Protection Relays
    Item Number
    SPVRB-480
    MFG Item Number
    SPVRB-480
    Product Description
    THREE PHASE MONITOR
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 480 V
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Time Delay Trip (Sec) 1-10 s
    Type of Display LED Status Indicator
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  7. PLM6405
    PLM6405
    SSAC Protection Relays, PLM Series
    Item Number
    PLM6405
    MFG Item Number
    PLM6405
    Series
    PLM
    Product Description
    Voltage Monitor, 240V, 3-Phase,
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 240 V
    Current Supported 10 A
    Lo Pwr (Under Vltg) Trip Yes
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Voltage Unbalance Detect Yes
    Voltage Unbalance % 4 %
    Time Delay Trip (Sec) 5 s
    Type of Display LED Status Indicator
    Mounting Plug-In
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  8. 233P-1.5
    233P-1.5
    Symcom Protection Relays
    Item Number
    233P-1.5
    MFG Item Number
    233P-1.5
    Product Description
    1-Phase PumpSaverPlus/230V/ 1/3-1.5h
    Specifications
    Specifications
    Number of Phases 1
    Voltage Supported 230 V
    Line Voltage 230 V
    Hi Pwr (Over Vltg) Trip Yes
    Lo Pwr (Under Vltg) Trip Yes
    Over Current Detect Yes
    Type of Display LED Status Indicator
    Mounting Surface
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  9. SLU-0201
    SLU-0201
    Diversified Electronics Protection Relays, SLU-0201 Series
    Item Number
    SLU-0201
    MFG Item Number
    SLU-0201
    Series
    SLU-0201
    Product Description
    Univ Ph. Mon/RLY Auto Reset Rapid
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 480 V
    Hi Pwr (Over Vltg) Trip Yes
    Lo Pwr (Under Vltg) Trip Yes
    Phase Rvrse/Rotatn Detect Yes
    Type of Display LED Status Indicator
    Mounting Plug-In
    Output Relay SPDT
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  10. PMPU
    PMPU
    Macromatic Protection Relays, PMP Series
    Item Number
    PMPU
    MFG Item Number
    PMPU
    Series
    PMP
    Product Description
    Phase Monitor Relay, 190-500VAC,
    Specifications
    Specifications
    Number of Phases 3
    Line Voltage 190-500 V
    Current Supported 10 A
    Hi Pwr (Over Vltg) Trip Yes
    Lo Pwr (Under Vltg) Trip Yes
    Under Current Detect No
    Over Current Detect No
    Variable Point Trip No
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Voltage Unbalance Detect Yes
    Voltage Unbalance % 2-10 %
    Current Unbalance Detect No
    Contact Failure Detect No
    Restart Delay (Sec) 1-300 s
    Rapid Cycling Detect Yes
    Var Restart Delay No
    Manual Reset Yes
    Type of Display LED Status Indicator
    Lo KW Trip Detect No
    Lo HP Trip Detect No
    Mounting Plug-In
    Output Relay DPDT
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
per page

Protection Relays

Protection relays are electronic components designed to prevent unnecessary trips, isolate faults and protect motors, breakers, and other equipment.

Modern protective relays are microprocessor-based, and use inputs and settings to intelligently compare measurements to setpoints and produce a desired output. Inputs can include variables like current, voltage, resistance and temperature. If any of those values exceed a prescribed setpoint, the relay can trigger an output like an alarm, an indicating light, a network communication, and even turn another device on or off.

Because modern protection relays use digital technology to operate, they can produce quick, reliable, repeatable outputs far more frequently over a longer lifetime. They also provide better accuracy to eliminate nuisance trips, reduced maintenance needs to improve uptime, and better efficiency to cut costs and save panel space.

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