McMaster-Carr logo
    Filter by
    Switch Starting Position
    Number of Circuits Controlled
    Actuator Style
    Switch Action
    Industrial Info Compare
    Number of Positions
    System of Measurement
    Actuator Color
    Panel Cutout Diameter
    Number of Terminals
    Switching Current
    Industrial Info Snippet
    Input Voltage
    Industrial Info Snippet
    Electrical Connection
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Color
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    For Maximum Number of Contact Blocks
    Switch Type
    Terminal Numbering
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    5 Products
    About Electrical Switches
    industrial info icon

    Choose a switch with the right trigger type, number of inputs, and control functions to power your equipment.

    22 mm Panel-Mount Knob Switches

    Image of Product. Front orientation. Rotary Switches. 22 mm Panel-Mount Knob Switches.
    Momentary Switch and Maintained Switch—Set these switches to either spring back (momentary) or stay switched (maintained).
    Enclosure Rating—Switches are rated NEMA 4X, NEMA 13, and IP66.
    No. of Circuits
    Controlled
    Switch Starting
    Position
    Switch Action
    No. of
    Terminals
    Switch
    Designation
    Switching Current @ Voltage
    Max. Voltage
    Dia.
    Dp. Behind
    Panel
    For Max. No. of
    Contact Blocks
    Enclosure Rating
    Certification
    Each
    Screw-Terminal Wire Connection
     
    3 Positions
    32 Off and 1 On
    		Momentary, Maintained
    		63PST-2NO/1NC
    		6 amp @ 120V AC, 3 amp @ 24V DC250V DC
    500V AC    		13/16"1 3/4"6NEMA 4X, NEMA 13, IP66
    		UL Listed, CSA Certified, CE Marked, CCC Marked
    		6299T14000000
     
    Blocks
    Image of Product. Front orientation. Switch Contact Blocks.
    Replace contact blocks or add additional contact blocks to control more circuits.
    No. of Circuits
    Controlled
    Switch Starting
    Position
    No. of
    Terminals
    Switch
    Designation
    Enclosure
    Rating
    Certification
    Specs.
    Met
    Each
    11 Off
    		2SPST-NO
    		IP20
    		UL Listed, CSA Certified, CE Marked
    		UL 5086299T15000000
    11 On
    		2SPST-NC
    		IP20
    		UL Listed, CSA Certified, CE Marked
    		UL 5086299T1600000

    Switch Contact Blocks

    Image of Product. Front orientation. Switch Contact Blocks.
    Make or break an electrical circuit. These contact blocks mount to manual switches and transmit an electrical signal when the switch actuator is engaged. You can stack multiple blocks, so a single switch can control several circuits. This is helpful in setups that require multiple systems to turn on or off at the same time. For example, the switch on a conveyor line could turn off the conveyor and turn on a diverter and alarm.
    No. of Circuits
    Controlled
    Switch Starting
    Position
    No. of
    Terminals
    Switch
    Designation
    Wire
    Connection
    Enclosure
    Rating
    For Switch Manufacturer
    Series
    Each
    Sprecher & Schuh
    32 Off and 1 On
    		63PST-2NO/1NC
    		Screw TerminalIP20
    		D7P8008N17000000
     

    Safety Relays

    Receive signals from safety monitoring relays or controllers to switch devices off and on because of a system failure. Also known as force-guided or mechanically linked contacts, the interlocking opposing contacts on these relays cannot be open or closed at the same time. To keep your system from receiving false switching signals, the interlocking opposing contact must remain open even if a contact welds closed.
    IP20 rated, they have recessed terminals that prevent fingers and other objects from touching live circuits. These relays have been tested to safety standards that can help you achieve your system's PL (performance level) and SIL (safety integrity level). Choose a relay with a PL and SIL rating to meet the needs of your system. Higher ratings indicate greater safety protection. As your system becomes more complex, you generally require a higher safety protection level. Mount them to 35mm DIN rail (also known as DIN 3 Rail).
    SIL 2, PLd Max. System Safety Rating—DIN-Rail Mount
    Image of Product. Bottom orientation. Contains Annotated. Safety Relays. Safety Relays, SIL 2, PLd Max. System Safety Rating—DIN-Rail Mount.
    Relays that meet SIL 2 are tested for applications with a probability of failure of 0.1% to 1%. They’re often used for emergency shutdowns, and fire, gas, and overpressure detection.
    No. of
    Terminals
    Input Voltage,
    V DC
    Control Current,
    mA
    Switching Current
    @ Voltage
    Max. Switching
    Voltage, V AC
    Ht.
    Wd.
    Dp.
    Features
    Each
    Screw-Terminal Wire Connection
     
    3 Circuits Controlled with 2 Off and 1 On—3PST-2NO/1NC
    8242610 amp @ 240V AC2503.5"0.7"2.4"Interlocked Opposing Contacts, LED Indicator, Recessed Terminals6242N111000000
     
    back to top