Electrical Phase
    Electrical Phase
    Three
    Single
    Mounting Location
    Mounting Location
    DIN Rail
    Surface
    Reversing Capability
    Reversing Capability
    Nonreversing
    Reversing
    Auxiliary Contact Switch Starting Position
    Auxiliary Contact
    Switch Starting Position
    1 Off (Normally Open)
    1 On (Normally Closed)
    2 Off (Normally Open)
    Number of Auxiliary Contacts
    Number of Auxiliary Contacts
    0
    1
    2
    3
    Maximum Overload Current
    Maximum Overload Current
    Less than 10 A
    10 to 19.9 A
    20 to 24.9 A
    25 to 49.9 A
    50 A or greater
    Specifications Met
    Specifications Met
    IEC
    Switching Current
    Switching Current
    6A
    9A
    10A
    11A
    17A
    20A
    22A
    25A
    28A
    32A
    45A
    55A
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Minimum Overload Current
    Minimum Overload Current
    Less than 5 A
    5 to 9.9 A
    10 to 19.9 A
    20 to 24.9 A
    25 A or greater
    Number of Circuits Controlled
    Number of Circuits Controlled
    3
    4
    Industry Designation
    Industry Designation
    3PST-NO
    4PST-NO
    4PST-3NO/1NC
    4PST-2NO/2NC
    Mounting Hole Diameter
    Mounting Hole Diameter
    0.17"
    0.21"
    0.22"
    0.24"
    Number of Mounting Holes
    Number of Mounting Holes
    2
    4
    Wire Connection Type
    Wire Connection Type
    Screw
    Terminals
    Screw-Clamp
    Terminals
    Environment
    Environment
    Corrosive
    Damp
    Dusty
    Outdoor
    Washdown
    Load Type
    Load Type
    Full
    Resistive
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