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 Automotive Relays, 12V/24V R51 Series

R51 Series
40 Amp and 70 Amp, SPST and SPDT Relays for use in Automotive/Marine/Tractor/Lawn Mower/Rec. Vehicles/Golf cart Applications

 Features
  • .250" Quick Connect terminals
  • Industry standard pin-out
  • SPST & SPDT versions
  • Flange Mount - "F" suffix
  • PC board mount - "P" suffix
  • Weatherproof (Shrouded Terminals) - “W” Suffix
  • Electrical Characteristics Contact
    Contact Rating @ 14VDC (* Inrush current for lamp load)
    Maximum
    Load Current
    40 Amp Rated 70 Amp Rated
    N.O. N.C. N.O.
    Continuous Current 60A 40A 70A
    Make Current (*) 120A 45A 120A
    Break Current 60A 40A 70A

    Material: AgNi 0.15
    Minimum Recommended Current: 1A @ 12VDC
    Maximum Switching Rate:
                 20 Operations/Second @ No Load
                 6 Operations/Minute for rated Life @ Rated Load

    Coil
    Coil Voltages: See Chart
    Resistance: See Chart

    Operational Characteristics
    Timing Value:
                 Operate Time: 20 mS max
                 Release Time: 20 mS max

    Insulation Characteristics
    Dielectric Strength:
                 Between Contacts and Coil: 500 VRMS

    Environmental Characteristics
    Operating: -40°C to +125°C
    Storage: -40° to +155°C

    Life
    Mechanical: 10,000,000 operations (18,000 operations/hr)
    Electrical Life: 100,000 operations (1,200 operations/hr)

    Weight
    Std: 1.1 oz (31 grams) approx.

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    Dimensional Drawings

    Please see the pdf for drawing spec

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    Part Numbers
    DC OPERATED
    NTE Type No. Nom.
    Voltage
    Contact
    Arr.
    Coil
    Res.
    Ohms
    Typ
    Nom.
    Power
    Max.
    Contact
    Current @
    14VDC
    Diag.
    No.
    (PDF
    spec)
    R51-1D40-12 12VDC SPST-NO 90 1.6W 50A D38
    R51-1D40-12F 12VDC SPST-NO 90 1.6W 50A D38
    R51-1D40-12FW 12VDC SPST-NO 90 1.6W 50A D38c
    R51-1D40-24 24VDC SPST-NO 360 1.6W 50A D38
    R51-1D40-24F 24VDC SPST-NO 360 1.6W 50A D38
    R51-1D40-24FW 24VDC SPST-NO 360 1.6W 50A D38c
    R51-5D40-12 12VDC SPDT 90 1.6W 50A D38
    R51-5D40-12F 12VDC SPDT 90 1.6W 50A D38
    R51-5D40-12FW 12VDC SPDT 90 1.6W 50A D38c
    R51-5D40-24 24VDC SPDT 360 1.6W 50A D38
    R51-5D40-24F 24VDC SPDT 360 1.6W 50A D38
    R51-5D40-24FW 24VDC SPDT 360 1.6W 50A D38c
    R51-1D70-12 12VDC SPST-NO 90 1.6W 70A D38a
    R51-1D70-12F 12VDC SPST-NO 90 1.6W 70A D38a
    R51-1D70-12P 12VDC SPST-NO 90 1.6W 70A D38b
    R51-1D70-24 24VDC SPST-NO 360 1.6W 70A D38a
    R51-1D70-24F 24VDC SPST-NO 360 1.6W 70A D38a

    ACCESSORIES
    Mounting Styles Description NTE Type No.
    PC Mount 5-Pin PC Board Socket R95-160 (40 Amp ONLY)

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    **Specifications subject to changes**
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    Electrical Characteristics

    Dimensional Drawings

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