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Schneider Electric RM4UA31M Image

View all Zelio Control Relays

Zelio Control Relays - RM4UA31M

Legacy

Schneider Electric RM4UA31M Image
View all Zelio Control Relays
Zelio Control Relays - RM4UA31M
Legacy

voltage measurement relay RM4-U - range 0.05..5 V - 220..240 V AC

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RM4UA31M is replaced by:
Product
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RM22UA31MR
Qty
1
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  • Reason for Substitution: End of life
  • Substitution date: 05 July 2016
  • Main
    range of product
    Zelio Control
    product or component type
    Industrial measurement and control relays
    relay type
    Voltage measurement relay
    relay name
    RM4U
    relay monitored parameters
    Overvoltage or undervoltage detection
    time delay type
    Adjustable 0.05...30 s
    power consumption in VA
    2.7...3.4 VA AC
    measurement range
    0.05...0.5 V voltage AC 50/60 Hz
    0.05...0.5 V voltage DC
    0.3...3 V voltage AC 50/60 Hz
    0.3...3 V voltage DC
    0.5...5 V voltage AC 50/60 Hz
    0.5...5 V voltage DC
    contacts type and composition
    2 C/O
    Complementary
    maximum switching voltage
    440 V AC
    [Us] rated supply voltage
    220...240 V AC, 50/60 Hz +/- 5 %
    output contacts
    2 C/O
    internal input resistance
    43000 Ohm
    6600 Ohm
    71000 Ohm
    permissible continuous overload
    20 V
    60 V
    80 V
    permissible non repetitive overload
    100 A for <= 1 s
    25 A for <= 1 s
    80 A for <= 1 s
    setting accuracy of the switching threshold
    +/-5 %
    switching threshold drift
    <= 0.06 % per degree centigrade depending permissible ambient air temperature
    <= 0.5 % within the supply voltage range (0.85...1.1 Un)
    setting accuracy of time delay
    10 P
    time delay drift
    <= 0.07 % per degree centigrade depending on the rated operational temperature
    <= 0.5 % within the supply voltage range (0.85...1.1 Un)
    hysteresis
    5...30 % adjustable of voltage threshold setting
    quality labels
    CE
    overvoltage category
    III conforming to IEC 60664-1
    [Ui] rated insulation voltage
    500 V conforming to IEC
    control circuit voltage limits
    0.85...1.1 Uc
    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
    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 70 °C conforming to IEC 60947-5-1/1991
    2 A at 24 V DC-13 70 °C conforming to VDE 0660
    3 A at 115 V AC-15 70 °C conforming to IEC 60947-5-1/1991
    3 A at 115 V AC-15 70 °C conforming to VDE 0660
    3 A at 24 V AC-15 70 °C conforming to IEC 60947-5-1/1991
    3 A at 24 V AC-15 70 °C conforming to VDE 0660
    3 A at 250 V AC-15 70 °C conforming to IEC 60947-5-1/1991
    3 A at 250 V AC-15 70 °C conforming to VDE 0660
    0.1 A at 250 V DC-13 70 °C conforming to IEC 60947-5-1/1991
    0.1 A at 250 V DC-13 70 °C conforming to VDE 0660
    0.3 A at 115 V DC-13 70 °C conforming to IEC 60947-5-1/1991
    0.3 A at 115 V DC-13 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
    height
    78 mm
    width
    22.5 mm
    depth
    80 mm
    terminals description ISO n°1
    (15-16-18)OC
    (25-26-28)OC
    (A1-A2)CO
    (C-B1-B2-B3)CO
    output relay state
    Tripped if A measured > A set
    9 mm pitches
    2.5
    product weight
    0.168 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
    GL
    UL
    directives
    89/336/EEC - electromagnetic compatibility
    73/23/EEC - low voltage directive
    ambient air temperature for storage
    -40...85 °C
    ambient air temperature for operation
    -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 for 11 ms conforming to IEC 60068-2-27
    IP degree of protection
    IP20 (terminals) conforming to IEC 60529
    IP50 (casing) conforming to IEC 60529
    pollution degree
    3 conforming to IEC 60664-1
    dielectric test voltage
    2.5 kV
    non-dissipating shock wave
    4.8 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
    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
    Contractual warranty
    Warranty period
    18 months
  • Documents and Downloads

    Language
    • English
    • French
    Catalogue Page
    Date
    Size
    Add to My Documents
    Date 9/30/11
    Size 211.5 KB
    End of life manual
    Date
    Size
    Add to My Documents
  • Technical FAQs

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  • Dimensions Drawings

    Voltage Measurement Relays
    Dimensions



  • Mounting and Clearance

    Voltage Measurement Relays
    Rail mounting


    Screw fixing



  • Connections and Schema

    Voltage Measurement Relays
    RM4UA01 and RM4UA02 Wiring Diagram


    A1-A2
    Supply voltage
    B1, B2, B3, C
    Voltages to be measured (see table below)

    Connection and current values to be measured

    RM4UA•1

    B1-C

    0.05…0.5 V

    B2-C

    0.3…3 V

    B3-C

    0.5…5 V

    RM4UA•2

    B1-C

    1…10 V

    B2-C

    5…50 V

    B3-C

    10…100 V

    RM4UA03 Wiring Diagram


    A1-A2
    Supply voltage
    B2, B3, C
    Voltages to be measured (see table below)

    Connection and current values to be measured

    B2-C

    30…300 V

    B3-C

    50…500 V

    RM4UA31 and RM4UA32 Wiring Diagram


    A1-A2
    Supply voltage
    B1, B2, B3, C
    Voltages to be measured (see table below)

    Connection and current values to be measured

    RM4UA•1

    B1-C

    0.05…0.5 V

    B2-C

    0.3…3 V

    B3-C

    0.5…5 V

    RM4UA•2

    B1-C

    1…10 V

    B2-C

    5…50 V

    B3-C

    10…100 V

    RM4UA33 Wiring Diagram


    A1-A2
    Supply voltage
    B2, B3, C
    Voltages to be measured (see table below)

    Connection and current values to be measured

    B2-C

    30…300 V

    B3-C

    50…500 V


    Voltage Measurement Relays
    Application Scheme

    Example: overspeed monitoring (undervoltage function)


    (1)
    Tachogenerator
    (2)
    Overspeed


  • 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 Diagram
    Overvoltage Control

    Function “>”


    Legend

    t Time delay

    U A1-A2 Supply voltage

    US1 Setting voltage threshold

    US2 Voltage measured

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

    Relay status: black color = energized.


    Function Diagram
    Undervoltage Control

    Function “<”


    Legend

    t Time delay

    U A1-A2 Supply voltage

    US1 Setting voltage threshold

    US2 Voltage measured

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

    Relay status: black color = energized.