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Find a wide range of marine automation Parts and marine engine parts at Marine Exporters. We supply high-quality, verified used and new engine parts for all your marine needs

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Find a wide range of marine automation Parts and marine engine parts at Marine Exporters. We supply high-quality, verified used and new engine parts for all your marine needs

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Find a wide range of marine automation Parts and marine engine parts at Marine Exporters. We supply high-quality, verified used and new engine parts for all your marine needs

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WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y
  • WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y

CONDITION : USED BUT TESTED AND WORKING FINE

 

Key Features & Specifications

  1. Model & Revision

    • Part Number: MRU4A0AB

    • Revision: Y (latest hardware/software updates)

    • Series: High ProTec (Woodward’s protection relay line)

  2. Primary Protection Functions

    • Over/Under Voltage (59/27):

      • Adjustable thresholds (e.g., 110%–130% for overvoltage, 70%–90% for undervoltage).

    • Over/Under Frequency (81O/81U):

      • Typical range: 40–70 Hz (configurable).

    • Phase Imbalance (47):

      • Detects voltage unbalance (>5% adjustable).

    • Neutral Displacement (59N):

      • For ground fault detection in ungrounded systems.

  3. Inputs & Outputs

    • Voltage Inputs:

      • 3-phase + neutral (57–300V AC line-to-line, via PTs).

    • Binary Inputs: 4–8 configurable status inputs (e.g., breaker position).

    • Relay Outputs: 6–10 changeover contacts (trip, alarm, load shedding).

    • Communication:

      • RS-485 (Modbus RTU) or optional Ethernet (IEC 61850).

  4. Settings & Programmability

    • Flexible Logic: User-defined trip/alarm conditions via Woodward’s ProTec Plus software.

    • LED Indicators: Real-time status (faults, active protections).

    • Event Logging: Stores 100+ fault records with timestamps.

  5. Environmental & Certifications

    • Operating Temp: -40°C to +70°C (-40°F to +158°F).

    • Standards: IEEE C37.90 (EMC), IEC 60255 (protection relays).

Typical Applications

  • Power Generation: Generator protection (overvoltage due to AVR failure).

  • Industrial Plants: Motor/pump protection from voltage sags/swells.

  • Renewables: Grid-tied solar/wind farm voltage stability.

Wiring & Installation

  1. Voltage Inputs:

    • Connect to potential transformers (PTs) for high-voltage scaling.

  2. Trip Outputs:

    • Wire to circuit breaker coils or alarm panels.

  3. Communication:

    • RS-485 for SCADA integration (Modbus address must match).

Configuration Steps

  1. Set Thresholds:

    • Overvoltage: 110% of nominal (e.g., 121V for 110V system).

    • Undervoltage: 85% of nominal (e.g., 93.5V for 110V system).

  2. Time Delays:

    • Adjust trip delays (0.1–300 sec) to avoid nuisance tripping.

  3. Test Mode:

    • Simulate faults using secondary injection (verify relay response).

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Only logged in customers who have purchased this product may leave a review.

WOODWARD HIGH PROTEC VOLTAGE PROTECTION MRU4A0AB REV:Y

Original price was: $1,200.00.Current price is: $899.00.

17 people are viewing this product right now

  • Power Generation: Generator protection (overvoltage due to AVR failure).

  • Industrial Plants: Motor/pump protection from voltage sags/swells.

  • Renewables: Grid-tied solar/wind farm voltage stability.

Estimated delivery:Thursday, Feb 19 - Saturday, Feb 28

CONDITION : USED BUT TESTED AND WORKING FINE

 

Key Features & Specifications

  1. Model & Revision

    • Part Number: MRU4A0AB

    • Revision: Y (latest hardware/software updates)

    • Series: High ProTec (Woodward’s protection relay line)

  2. Primary Protection Functions

    • Over/Under Voltage (59/27):

      • Adjustable thresholds (e.g., 110%–130% for overvoltage, 70%–90% for undervoltage).

    • Over/Under Frequency (81O/81U):

      • Typical range: 40–70 Hz (configurable).

    • Phase Imbalance (47):

      • Detects voltage unbalance (>5% adjustable).

    • Neutral Displacement (59N):

      • For ground fault detection in ungrounded systems.

  3. Inputs & Outputs

    • Voltage Inputs:

      • 3-phase + neutral (57–300V AC line-to-line, via PTs).

    • Binary Inputs: 4–8 configurable status inputs (e.g., breaker position).

    • Relay Outputs: 6–10 changeover contacts (trip, alarm, load shedding).

    • Communication:

      • RS-485 (Modbus RTU) or optional Ethernet (IEC 61850).

  4. Settings & Programmability

    • Flexible Logic: User-defined trip/alarm conditions via Woodward’s ProTec Plus software.

    • LED Indicators: Real-time status (faults, active protections).

    • Event Logging: Stores 100+ fault records with timestamps.

  5. Environmental & Certifications

    • Operating Temp: -40°C to +70°C (-40°F to +158°F).

    • Standards: IEEE C37.90 (EMC), IEC 60255 (protection relays).

Typical Applications

  • Power Generation: Generator protection (overvoltage due to AVR failure).

  • Industrial Plants: Motor/pump protection from voltage sags/swells.

  • Renewables: Grid-tied solar/wind farm voltage stability.

Wiring & Installation

  1. Voltage Inputs:

    • Connect to potential transformers (PTs) for high-voltage scaling.

  2. Trip Outputs:

    • Wire to circuit breaker coils or alarm panels.

  3. Communication:

    • RS-485 for SCADA integration (Modbus address must match).

Configuration Steps

  1. Set Thresholds:

    • Overvoltage: 110% of nominal (e.g., 121V for 110V system).

    • Undervoltage: 85% of nominal (e.g., 93.5V for 110V system).

  2. Time Delays:

    • Adjust trip delays (0.1–300 sec) to avoid nuisance tripping.

  3. Test Mode:

    • Simulate faults using secondary injection (verify relay response).

Destination country all taxes & duty to be paid by buyer.[not included in price].
Payment : Paypal Accepted for air/courier shipment.
Packaging: T/T option available for the large items above 300 Lbs .
Quality packing for each product. Assured safe and undamaged delivery. Shipping
FREE SHIPPING: Free Shipping on all Products. FedEx Express, DHL Express International Shipping. Shipment through sea available for large order.

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