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Items 31-40 of 3263

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  1. 777-P2
    777-P2
    Symcom Protection Relays, 77C Series
    Item Number
    777-P2
    MFG Item Number
    777-P2
    Series
    77C
    Product Description
    Motor Saver, 3-Ph, 200-480V, 2-800A
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 170-528 V
    Current Supported 2-800 A
    Hi Pwr (Over Vltg) Trip Yes
    Lo Pwr (Under Vltg) Trip Yes
    Under Current Detect Yes
    Over Current Detect Yes
    Variable Point Trip Yes
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Voltage Unbalance Detect Yes
    Voltage Unbalance % 2-25 %
    Current Unbalance Detect Yes
    Restart Delay (Sec) 120-30,000 s
    Rapid Cycling Detect Yes
    Manual Reset Yes
    Type of Display LED Digital Display
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  2. 460-14
    460-14
    Symcom Protection Relays
    Item Number
    460-14
    MFG Item Number
    460-14
    Product Description
    Voltage Monitor, 3Ph, w/1NO & 1NC
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 190-480 V
    Current Supported 10 A
    Hi Pwr (Over Vltg) Trip Yes
    Lo Pwr (Under Vltg) Trip Yes
    Variable Point Trip Yes
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Voltage Unbalance Detect Yes
    Voltage Unbalance % 2-8 %
    Time Delay Trip (Sec) 1-30 s
    Restart Delay (Sec) 1-500 s
    Rapid Cycling Detect Yes
    Var Restart Delay Yes
    Manual Reset Yes
    Type of Display LED Status Indicator
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  3. PLMU11
    PLMU11
    SSAC Protection Relays, PLMU Series
    Item Number
    PLMU11
    MFG Item Number
    PLMU11
    Series
    PLMU
    Product Description
    Voltage Monitor, 200-480V Universal,
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 200-480 V
    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 % 2 %
    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. PRSL-400-1.5
    PRSL-400-1.5
    RK Electronics Protection Relays, PRR Series
    Item Number
    PRSL-400-1.5
    MFG Item Number
    PRSL-400-1.5
    Series
    PRR
    Product Description
    Phase Reverse RRelay, 1.5 Sec Delay
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 440-480 V
    Current Supported 2-10 A
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Time Delay Trip (Sec) 5 s
    Type of Display LED Status Indicator
    Mounting Surface
    Output Relay DPDT
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  5. DLMHBRAAA
    DLMHBRAAA
    SSAC Protection Relays
    Item Number
    DLMHBRAAA
    MFG Item Number
    DLMHBRAAA
    Product Description
    3 PHASE VOLTAGE MONIT
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  6. TVM-400-20-0002
    TVM-400-20-0002
    RK Electronics Protection Relays, TVM Series
    Item Number
    TVM-400-20-0002
    MFG Item Number
    TVM-400-20-0002
    Series
    TVM
    Product Description
    Three Phase Voltage Relay, 480VAC,
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 410-490 V
    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
    Restart Delay (Sec) 0.5 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.
  7. LSR-115
    LSR-115
    Symcom Protection Relays, LSR Series
    Item Number
    LSR-115
    MFG Item Number
    LSR-115
    Series
    LSR
    Product Description
    Current Monitoring Relay, 115VAC,
    Specifications
    Specifications
    Voltage Supported 85-135 V
    Current Supported 2-135 A
    Under Current Detect 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.
  8. DPM-24A-T
    DPM-24A-T
    RK Electronics Protection Relays, DPM Series
    Item Number
    DPM-24A-T
    MFG Item Number
    DPM-24A-T
    Series
    DPM
    Product Description
    Digital Voltage Monitor, 24VAC
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 24 V
    Line Voltage 200-600 V
    Current Supported 5-10 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 % 3-10 %
    Current Unbalance Detect No
    Contact Failure Detect No
    Time Delay Trip (Sec) 1-30 s
    Restart Delay (Sec) 1-240 s
    Rapid Cycling Detect No
    Var Restart Delay No
    Manual Reset No
    Type of Display LCD Digital Display
    Lo KW Trip Detect No
    Lo HP Trip Detect No
    Mounting Surface
    Output Relay SPDT, 1NO
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  9. LVM25240
    LVM25240
    Lovato Protection Relays, LVM Series
    Item Number
    LVM25240
    MFG Item Number
    LVM25240
    Series
    LVM
    Product Description
    Level Control Relay, 24-240VAC/DC,
    Specifications
    Specifications
    Voltage Supported 24-240 V
    Time Delay Trip (Sec) 1 s
    Restart Delay (Sec) 1 s
    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.
  10. MP8000
    MP8000
    Symcom Protection Relays, MP8000 Series
    Item Number
    MP8000
    MFG Item Number
    MP8000
    Series
    MP8000
    Product Description
    Motor Overload Protection 8000
    Specifications
    Specifications
    Number of Phases 3
    Voltage Supported 90-690 V
    Current Supported 0.5-100 A
    Hi Pwr (Over Vltg) Trip Yes
    Lo Pwr (Under Vltg) Trip Yes
    Under Current Detect Yes
    Over Current Detect Yes
    Variable Point Trip No
    Phase Loss Detect Yes
    Phase Rvrse/Rotatn Detect Yes
    Voltage Unbalance Detect Yes
    Current Unbalance Detect Yes
    Contact Failure Detect Yes
    Time Delay Trip (Sec) 2-60 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 Surface
    Output Relay SPDT
    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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