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Schneider Eletric RM4LG01M Picture
Discontinued

Schneider Eletric RM4LG01M Picture
Discontinued

liquid level control relay RM4-L - 220..240 V AC

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RM4LG01M  has not been replaced. Please contact your customer care center for more information.
  • Price
    214.00 USD
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  • Main
    range of product
    Zelio Control
    product or component type
    Industrial measurement and control relays
    relay type
    Liquid level control relay
    relay name
    RM4-L
    relay monitored parameters
    Detection by resistive probes
    time delay
    Without
    power consumption
    <= 2.4 VA AC
    contacts type and composition
    1 C/O
    Complementary
    maximum switching voltage
    440 V AC
    [Un] rated nominal voltage
    220...240 V AC 50/60 Hz +/- 5 %
    operating voltage tolerance
    0.85...1.1 Uc
    output contacts
    1 C/O
    maximum electrode voltage
    24 V AC
    maximum electrode current
    1 mA
    maximum cable capacity
    0 mF
    cable distance between devices
    <= 100 m
    sensitivity scale
    5...100 kOhm
    marking
    CE : EMC 89/336/EEC
    CE : LVD 73/23/EEC
    overvoltage category
    III conforming to IEC 60664-1
    [Ui] rated insulation voltage
    500 V conforming to IEC
    supply disconnection value
    > 0.1 Uc
    operating position
    Any position without derating
    connections - terminals
    Screw terminals 2 x 1.5 mm², flexible cable with cable end
    Screw terminals 2 x 2.5 mm², flexible cable without cable end
    tightening torque
    5.31...9.73 lbf.in (0.6...1.1 N.m)
    mechanical durability
    30000000 cycles
    [Ith] conventional free air thermal current
    8 A
    [Ie] rated operational current
    2 A at 24 V DC-13 158 °F (70 °C) conforming to IEC 60947-5-1/1991
    2 A at 24 V DC-13 158 °F (70 °C) conforming to VDE 0660
    3 A at 115 V AC-15 158 °F (70 °C) conforming to IEC 60947-5-1/1991
    3 A at 115 V AC-15 158 °F (70 °C) conforming to VDE 0660
    3 A at 24 V AC-15 158 °F (70 °C) conforming to IEC 60947-5-1/1991
    3 A at 24 V AC-15 158 °F (70 °C) conforming to VDE 0660
    3 A at 250 V AC-15 158 °F (70 °C) conforming to IEC 60947-5-1/1991
    3 A at 250 V AC-15 158 °F (70 °C) conforming to VDE 0660
    0.1 A at 250 V DC-13 158 °F (70 °C) conforming to IEC 60947-5-1/1991
    0.1 A at 250 V DC-13 158 °F (70 °C) conforming to VDE 0660
    0.3 A at 115 V DC-13 158 °F (70 °C) conforming to IEC 60947-5-1/1991
    0.3 A at 115 V DC-13 158 °F (70 °C) conforming to VDE 0660
    switching capacity in mA
    10 mA at 12 V
    switching voltage
    250 V AC
    contacts material
    90/10 silver nickel contacts
    number of cables
    2
    width
    0.89 in (22.5 mm)
    terminals description ISO n°1
    (15-16-18)OC
    (B1-B2-B3)CO
    (A1-A2)CO
    output relay state
    According to chosen function
    9 mm pitches
    2.5
    product weight
    0.36 lb(US) (0.165 kg)
    Environment
    electromagnetic compatibility
    Electrostatic discharge - test level 6 kV, level 3 - contact discharge conforming to IEC 61000-4-2
    Electrostatic discharge - test level 8 kV, level 3 - air discharge conforming to IEC 61000-4-2
    standards
    EN/IEC 60255-6
    product certifications
    CSA
    UL
    GL
    ambient air temperature for storage
    -40...185 °F (-40...85 °C)
    ambient air temperature for operation
    -4...149 °F (-20...65 °C)
    relative humidity
    15...85 % 3K3 conforming to IEC 60721-3-3
    vibration resistance
    0.35 ms (f = 10...55 Hz) conforming to IEC 60068-2-6
    shock resistance
    15 gn 11 ms conforming to IEC 60068-2-27
    pollution degree
    3 conforming to IEC 60664-1
    dielectric test voltage
    2.5 kV
    resistance to electrostatic discharge
    6 kV contact conforming to IEC 61000-4-2 level 3
    8 kV air conforming to IEC 61000-4-2 level 3
    resistance to electromagnetic fields
    9.14 V/yd (10 V/m) conforming to IEC 61000-4-3 level 3
    resistance to fast transients
    2 kV conforming to IEC 61000-4-4 level 3
    protection against electric shocks
    2 kV: level 3 conforming to IEC 61000-4-5
    disturbance radiated/conducted
    CISPR 11 group 1 - class A
    CISPR 22 - class A
    Ordering and shipping details
    Category
    22376 - RELAYS-MEASUREMENT(RM4)
    Discount Schedule
    CP2
    Nbr. of units in pkg.
    1
    Package weight(Lbs)
    0.35999999999999999
    Returnability
    N
    Country of origin
    ID
    Contractual warranty
    Warranty period
    18 months
  • Technical FAQs

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  • Dimensions Drawings

    Liquid Level Control Relays
    Dimensions



  • Mounting and Clearance

    Liquid Level Control Relays
    Rail mounting


    Screw fixing



  • Connections and Schema

    Liquid Level Control Relays
    RM4LG01 Wiring Diagram


    A1-A2, B1, B2, B3
    Supply voltage Electrodes (see table below)
    15-18,15-16
    1st C/O contact of the output relay

    Electrodes and level controlled

    B1

    Reference or tank earth electrode

    B2

    High level

    B3

    Low level

    RM4LA32 Wiring Diagram


    A1-A2, B1, B2, B3
    Supply voltage Electrodes (see table below)
    15-18,15-16
    1st C/O contact of the output relay
    25-28, 25-26
    2nd C/O contact of the output relay

    Electrodes and level controlled

    B1

    Reference or tank earth electrode

    B2

    High level

    B3

    Low level


    Connection Examples
    Control by Electrodes


    (1)
    Supply voltage
    (2)
    High level
    (3)
    Low level

    Control by Probes


    (1)
    2 levels
    (2)
    1 level


  • Performance Curves

    Electrical Durability and Load Limit Curves
    AC Load

    Curve 1: Electrical durability of contacts on resistive load in millions of operating cycles


    X
    Current broken in A
    Y
    Millions of operating cycles

    Curve 2: Reduction factor k for inductive loads (applies to values taken from durability Curve 1)


    X
    Power factor on breaking (cos φ)
    Y
    Reduction factor K

    DC Load

    Load limit curve


    X
    Current in A
    Y
    Voltage in V
    1
    L/R = 20 ms
    2
    L/R with load protection diode
    3
    Resistive load



  • Technical Description

    Function Diagrams
    Empty Function

    Maximum level detection (2 electrodes or 1 probe LA9RM201)


    Legend

    U A1/A2 Supply voltage

    B1 Reference electrode

    B2 High/low level electrode

    (1) Type RM4

    (2) Function switch

    (3) Time delay switch

    15/16, 15/18; 25/26, 25/28 Output relays connections

    Relay status: black color = energized.

    Regulation between a maximum and a minimum level (3 electrodes or 2 probes LA9RM201)


    Legend

    U A1/A2 Supply voltage

    B1 Reference electrode

    B2 High level electrode

    B3 Low level electrode

    (1) Type RM4

    (2) Function switch

    (3) Time delay switch

    15/16, 15/18; 25/26, 25/28 Output relays connections

    Relay status: black color = energized.

    Fill Function

    Maximum level detection (2 electrodes or 1 probe LA9RM201)


    Legend

    U A1/A2 Supply voltage

    B1 Reference electrode

    B2 High/low level electrode

    (1) Type RM4

    (2) Function switch

    (3) Time delay switch

    15/16, 15/18; 25/26, 25/28 Output relays connections

    Relay status: black color = energized.

    Regulation between a maximum and a minimum level (3 electrodes or 2 probes LA9RM201)


    Legend

    U A1/A2 Supply voltage

    B1 Reference electrode

    B2 High level electrode

    B3 Low level electrode

    (1) Type RM4

    (2) Function switch

    (3) Time delay switch

    15/16, 15/18; 25/26, 25/28 Output relays connections

    Relay status: black color = energized.

    NOTE: On RM4LA32, a time delay can be set on energization or de-energization of the output relay.