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View all Zelio Control
Schneider Eletric RM4TA31 Picture
Discontinued

RM4TA31

Schneider Eletric RM4TA31 Picture
Discontinued
RM4TA31

three-phase network control relay RM4-T - range 200..240 V

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Commercial status
Discontinued on 31 December 2016
End-of-service on 31 December 2016
RM4TA31RM4TA31  has not been replaced. Please contact your customer care center for more information.
  • Product availability
    Non-Stock - Not normally stocked in distribution facility
  • Price*
    378.00 USD
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  • Main
    range of product
    Zelio Control
    product or component type
    Industrial measurement and control relays
    relay type
    Control relay
    product specific application
    For 3-phase supply
    relay name
    RM4-T
    relay monitored parameters
    Phase sequence
    Phase failure detection
    Asymmetry
    time delay
    Adjustable 0.1...10 s
    measurement range
    160...300 V
    contacts type and composition
    2 C/O
    poles description
    3P
    Complementary
    maximum switching voltage
    440 V AC
    output contacts
    2 C/O
    setting accuracy of the switching threshold
    +/-3 %
    switching threshold drift
    <= 0.06 % per degree centigrade depending permissible ambient air temperature
    <= 0.5 % within the measuring range
    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 measuring range
    hysteresis
    50 % fixed asymmetry percentage
    delay at power up
    650 ms
    maximum measuring cycle
    80 ms
    adjustment of asymmetry threshold
    5...15 %
    marking
    CE
    overvoltage category
    III IEC 60664-1
    [Ui] rated insulation voltage
    500 V IEC
    supply frequency
    50/60 Hz +/- 5 %
    operating position
    Any position without
    connections - terminals
    Screw terminals, 2 x 1.5 mm²flexible with cable end
    Screw terminals, 2 x 2.5 mm²flexible without cable end
    tightening torque
    5.31…9.74 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 158 °F (70 °C) 24 V DC-13 IEC 60947-5-1/1991
    2 A 158 °F (70 °C) 24 V DC-13 VDE 0660
    3 A 158 °F (70 °C) 115 V AC-15 IEC 60947-5-1/1991
    3 A 158 °F (70 °C) 115 V AC-15 VDE 0660
    3 A 158 °F (70 °C) 24 V AC-15 IEC 60947-5-1/1991
    3 A 158 °F (70 °C) 24 V AC-15 VDE 0660
    3 A 158 °F (70 °C) 250 V AC-15 IEC 60947-5-1/1991
    3 A 158 °F (70 °C) 250 V AC-15 VDE 0660
    0.1 A 158 °F (70 °C) 250 V DC-13 IEC 60947-5-1/1991
    0.1 A 158 °F (70 °C) 250 V DC-13 VDE 0660
    0.3 A 158 °F (70 °C) 115 V DC-13 IEC 60947-5-1/1991
    0.3 A 158 °F (70 °C) 115 V DC-13 VDE 0660
    switching capacity in mA
    10 mA 12 V
    switching voltage
    250 V AC
    contacts material
    90/10 silver nickel contacts
    number of cables
    2
    height
    3.07 in (78 mm)
    width
    0.89 in (22.5 mm)
    depth
    3.15 in (80 mm)
    terminals description ISO n°1
    (25-26-28)OC
    (15-16-18)OC
    (L1-L2-L3)CO
    output relay state
    Tripped, fault present
    9 mm pitches
    2.5
    net weight
    0.24 lb(US) (0.11 kg)
    time delay on de-energisation
    0.1…10 s
    Environment
    electromagnetic compatibility
    Electrostatic discharge 6 kV contact discharge)level 3 IEC 61000-4-2
    Electrostatic discharge 8 kV air discharge)level 3 IEC 61000-4-2
    Resistance to electrostatic discharge 6 kV contact) IEC 61000-4-2 level 3
    Resistance to electrostatic discharge 8 kV air) IEC 61000-4-2 level 3
    standards
    EN/IEC 60255-6
    product certifications
    GL
    CSA
    UL
    directives
    73/23/EEC - low voltage directive
    89/336/EEC - electromagnetic compatibility
    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 IEC 60721-3-3
    vibration resistance
    0.35 ms 10…55 Hz)IEC 60068-2-6
    shock resistance
    15 gn 11 ms IEC 60068-2-27
    IP degree of protection
    IP20 IEC 60529 terminals)
    IP50 IEC 60529 casing)
    pollution degree
    3 IEC 60664-1
    dielectric test voltage
    2.5 kV
    non-dissipating shock wave
    4.8 kV
    resistance to electrostatic discharge
    6 kV contact IEC 61000-4-2 level 3
    8 kV air IEC 61000-4-2 level 3
    resistance to electromagnetic fields
    9.14 V/m (10 V/m) IEC 61000-4-3 level 3
    resistance to fast transients
    2 kV IEC 61000-4-4 level 3
    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
    GTIN
    00785901481614
    Package weight(Lbs)
    0.13 kg (0.29 lb(US))
    Returnability
    No
    Country of origin
    ID
    Contractual warranty
    Warranty
    18 months
  • Technical FAQs

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  • Dimensions Drawings

    3-phase Supply Control Relays
    Dimensions



  • Mounting and Clearance

    3-phase Supply Control Relays
    Rail mounting


    Screw fixing



  • Connections and Schema

    3-Phase Supply Control Relays
    Wiring Diagram


    L1, L2, L3
    Supply to be monitored
    15-18, 15-16
    1st C/O contact of the output relay
    25-28, 25-26
    2nd C/O contact of the output relay


    Application Scheme
    Example


    (1)
    Fault


  • 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
    Detection of Phase Asymmetry


    Legend

    t Time delay

    (1) Asymmetry > set threshold

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

    Relay status: black color = energized.


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