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current measurement relay RM4-J - range 3..1000 mA - 24..240 V AC DC

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Commercial status
Discontinued on 31 December 2016
End-of-service on 31 December 2016
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  • Main
    range of product
    Zelio Control
    product or component type
    Industrial measurement and control relays
    relay type
    Current measurement relay
    relay name
    RM4J
    relay monitored parameters
    Overcurrent or undercurrent detection
    time delay
    Adjustable 0.05...30 s
    maximum power consumption in VA
    3.3 VA AC
    measurement range
    0.3...30 mA current DC
    10...100 mA current DC
    100...1000 mA current DC
    0.3...30 mA current AC
    10...100 mA current AC
    100...1000 mA current AC
    contacts type and composition
    2 C/O
    Complementary
    maximum switching voltage
    440 V AC
    [Us] rated supply voltage
    24...240 V AC 50/60 Hz +/- 5 %
    24...240 V DC
    operating voltage tolerance
    0.85...1.1 Uc
    maximum power consumption in W
    1.2 W DC
    output contacts
    2 C/O
    maximum measuring cycle
    80 ms
    internal input resistance
    10 Ohm
    33 Ohm
    1 Ohm
    permissible continuous overload
    0.15 A
    1.5 A
    0.05 A
    permissible non repetitive overload
    5 A
    0.2 A
    0.5 A
    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 temperature
    <= 0.5 % within the supply voltage range (0.85...1.1 Un)
    hysteresis
    5…30 % adjustable of current threshold setting
    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
    connections - terminals
    Screw terminals, 2 x 1.5 mm²flexible with cable end
    Screw terminals, 2 x 2.5 mm²flexible 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
    width
    23 mm
    height
    78 mm
    depth
    80 mm
    terminals description ISO n°1
    (25-26-28)OC
    (C-B1-B2-B3)CO
    (15-16-18)OC
    (A1-A2)CO
    output relay state
    Tripped if A measured > A set
    Tripped if V measured > V set
    9 mm pitches
    2.5
    net weight
    0.172 kg
    Environment
    electromagnetic compatibility
    Electrostatic discharge - test level: 6 kV (contact discharge)level 3 conforming to IEC 61000-4-2
    Electrostatic discharge - test level: 8 kV (air discharge)level 3 conforming to IEC 61000-4-2
    standards
    EN/IEC 60255-6
    product certifications
    CSA
    GL
    UL
    ambient air temperature for storage
    -40…85 °C
    ambient air temperature for operation
    -20…65 °C
    environmental characteristic
    3K3
    relative humidity
    15…85 % conforming to IEC 60721-3-3
    shock resistance
    15 gn for 11 ms conforming to IEC 60255-21-1
    IP degree of protection
    IP20 conforming to IEC 60529 (terminals)
    IP50 conforming to IEC 60529 (casing)
    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 22 - class A
    CISPR 11 group 1 - class A
    Contractual warranty
    Warranty
    18 months
  • Documents and Downloads

    Language
    • English
    End of Life Information
    Date
    Size
    Add to My Documents
    RM4 Control relay & RMC/ P/ T Analog relays, Product End-of-Life Instructions (Version 1.0)
    Product Environmental Profile
    Date
    Size
    Add to My Documents
    RM4JA... current measurement relays, Product Environmental Profile (Version 1.0)
  • Technical FAQs

    No results found.
    Unfortunately, related FAQs are unavailable due to temporary technical issues. Please try again later.
  • Dimensions Drawings

    Current Measurement Relays
    Dimensions



  • Mounting and Clearance

    Current Measurement Relays
    Rail mounting


    Screw fixing



  • Connections and Schema

    Current Measurement Relays
    RM4JA01 Wiring Diagram


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

    Connection and current values to be measured

    B1-C

    3…30 mA

    B2-C

    10…100 mA

    B3-C

    0.1…1 A

    RM4JA31 Wiring Diagram


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

    Connection and current values to be measured

    B1-C

    3…30 mA

    B2-C

    10…100 mA

    B3-C

    0.1…1 A

    RM4JA32 Wiring Diagram


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

    Connection and current values to be measured

    B1-C

    0.3…1.5 A

    B2-C

    1…5 A

    B3-C

    3…15 A


    Application Schemes
    Example: Detection of Blockage on a Crusher (Overcurrent Function)

    Current measured ≤15 A


    Current measured > 15 A



  • 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
    Overcurrent Detection

    Function “>”


    Legend

    t Time delay

    U A1-A2 Supply voltage

    IS1 Setting current threshold

    IS2 Current measured

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

    Relay status: black color = energized.


    Function Diagram
    Undercurrent Detection

    Function “<”


    Legend

    t Time delay

    U A1-A2 Supply voltage

    IS1 Setting current threshold

    IS2 Current measured

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

    Relay status: black color = energized.


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