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  • Description
  • Features
  • Applications
  • Ordering Info
  • Downloads
  • Accessories
  • RCM470LY

    Ground fault monitor for grounded and high-resistance grounded AC systems

    The RCM470LY monitors for ground fault current in grounded and high-resistance grounded AC systems, both single-phase and three-phase. The RCM470LY features a steplessly adjustable setpoint from either 6 mA...600 mA or 10 mA...10 A. Display features include power and alarm LEDS, as well as an LED bar graph indicating how close the system is to the alarm value. An adjustable time delay of 0...10 s is available.

    The device may be set to latching or non-latching operation, and features one DPDT alarm relay which may be set to normally energized or normally de-energized operation. An external BENDER current transformer is required for operation.

  • Key Features: RCM470LY

    • Ground fault monitoring for grounded and high-resistance grounded AC systems
    • Adjustable response value ranges, as high as 10 A and as low as 6 mA
    • Many different current transformer sizes available
    • On, alarm, and bar graph LEDs for indicating device status
    • Built-in test and reset button
    • Connections for external test and reset
    • Connection for optional external panel meter
    • Adjustable time delay, 0...10 s
    • Latching or non-latching operation, selectable
    • 1 DPDT Form-C contact output, normally energized or de-energized operation, selectable
  • Applications: RCM470LY

    • Ground fault detection in grounded and high-resistance AC systems
    • Motors and motor control systems
    • Generators, portable and fixed
    • Alarm systems, safety devices
    • General industrial systems
    • Controls and control systems
    • Heat tracing systems
    • Marinas
  • Ordering information: RCM470LY

    NameResponse ValueSupply VoltageOrdering Number
    RCM470LY10 - 10000 mA AC 230 V (50 - 400 Hz) B94012017
    RCM470LY-1310 - 10000 mA AC 90 - 132 V (50 - 400 Hz) B94012019
    RCM470LY-13A10 - 10000 mA AC 90 - 132 V (50 - 60 Hz) B94012019A
    RCM470LY-2110 - 10000 mA DC 9.6 - 84 V B94012021
    RCM470LY-2310 - 10000 mA DC 77 - 286 V B94012024
    RCM470LY-716 - 600 mA AC 230 V (50 - 400 Hz) B94012060
    RCM470LY-71136 - 600 mA AC 90 - 132 V (50 - 400 Hz) B94012051
    RCM470LY-71216 - 600 mA DC 9.6 - 84 V B94012050
  • Downloads: RCM470LY

    Document Name Language Date Download
    Technical Bulletin / Datasheet
    RCM470LY
    English 03.2011
    Download
    Installation Bulletin
    RCM470LY
    English 10.2012
    Download
    Brochure
    Overview of Products
    English 06.2017
    Download
  • Accessories: RCM470LY

    AC Current Transformers

    Current transformers for RCM and RCMS series ground fault monitors (AC only systems)

    NameOrdering Number
    W0-S20B911787
    W1-S35B911731
    W2-S70B911732
    W3-S105B911733
    W4-S140B911734
    W5-S210B911735
    Rectangular AC Current Transformers

    Rectangular current transformers for RCM and RCMS series ground fault monitors (AC only systems)

    NameOrdering Number
    WR70x175SB911738
    WR115x305SB911739
    WR115x350SB911740
    WR200x500SB911763
    WR70x175SPB911790
    WR115x305SPB911791
    WR115x350SPB911792
    WR200x500SPB911793
    Split-Core AC Current Transformers

    Split-core current transformers for RCM and RCMS series ground fault monitors (AC only systems)

    NameOrdering Number
    WS20x30B98080601
    WS50x80B98080603
    WS80x120B98080606
    External Meters

    Analog output meters for BENDER devices

    NameOrdering Number
    7204-4241B986805
    9604-4241B986807
  • Description
  • Features
  • Applications
  • Ordering Info
  • Downloads
  • Accessories
  • RCM475LY

    Ground fault monitor for grounded and high-resistance grounded AC systems

    The RCM475LY monitors for ground fault current in grounded and high-resistance grounded AC systems, both single-phase and three-phase. The RCM475LY features a steplessly adjustable setpoint from either 6 mA...600 mA or 10 mA...10 A. Display features include power and alarm LEDS, as well as an LED bar graph indicating how close the system is to the alarm value. An adjustable time delay of 0...10 s is available.

    The device may be set to latching or non-latching operation, and features one DPDT alarm relay which may be set to normally energized or normally de-energized operation. The RCM475LY includes a built-in current transformer.

  • Key Features: RCM475LY

    • Ground fault monitoring for grounded and high-resistance grounded AC systems
    • Built-in current transformer
    • Adjustable response value ranges, as high as 10 A and as low as 6 mA
    • On, alarm, and bar graph LEDs for indicating device status
    • Built-in test and reset button
    • Connections for external test and reset
    • Connection for optional external panel meter
    • Adjustable time delay, 0...10 s
    • Latching or non-latching operation, selectable
    • 1 DPDT Form-C contact output, normally energized or de-energized operation, selectable
  • Applications: RCM475LY

    • Ground fault detection in grounded and high-resistance AC systems
    • Branch monitoring
    • Motors and motor control systems
    • Generators, portable and fixed
    • Alarm systems, safety devices
    • General industrial systems
    • Controls and control systems
    • Heat tracing systems
    • Marinas
  • Ordering information: RCM475LY

    NameResponse ValueSupply VoltageOrdering Number
    RCM475LY10 - 10000 mA AC 230 V (50 - 60 Hz) B94012018
    RCM475LY-1310 - 10000 mA AC 90 - 132 V (50 - 60 Hz) B94012035
    RCM475LY-2110 - 10000 mA DC 9.6 - 84 V B94012073
    RCM475LY-2310 - 10000 mA DC 77 - 286 V B94012069
    RCM475LY-716 - 600 mA AC 230 V (50 - 60 Hz) B94012052
    RCM475LY-71136 - 600 mA AC 90 - 132 V (50 - 60 Hz) B94012053
    RCM470LY-71216 - 600 mA DC 9.6 - 84 V B94012070
  • Downloads: RCM475LY

    Document Name Language Date Download
    Technical Bulletin / Datasheet
    RCM475LY
    English 03.2011
    Download
    Brochure
    Overview of Products
    English 06.2017
    Download
  • Accessories: RCM475LY