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    44 Products

    Compact Spade-Terminal Relays

    Image of Product. 8-Terminal Relay (1 Circuit Controlled). Front orientation. Contains Annotated. Relays. Compact Spade-Terminal Relays, 1 Circuit Controlled, 0.9" Wide, 1.6" Deep.
    Image of Product. 11-Terminal Relay. Front orientation. Contains Annotated. Relays. Compact Spade-Terminal Relays, 3 Circuits Controlled, 1.2" Wide, 1.6" Deep.
    Image of Product. 14-Terminal Relay. Front orientation. Contains Annotated. Relays. Compact Spade-Terminal Relays, 4 Circuits Controlled, 1.6" Deep.

    8-Terminal

    Relay (1

    Circuit

    Controlled)

    11-Terminal Relay

    14-Terminal Relay

    Image of Product. 11-Terminal Relay Socket. Front orientation. Relay Sockets. Compact Spade-Terminal Relays.
    Image of Product. 14-Terminal Relay Socket. Front orientation. Relay Sockets. Compact Spade-Terminal Relays.
    Image of Product. 8-Terminal Relay Socket. Front orientation. Relay Sockets. Compact Spade-Terminal Relays.

    11-Terminal

    Relay Socket

    14-Terminal

    Relay Socket

    8-Terminal

    Relay

    Socket

    Fit these relays where standard spade-terminal relays are too big. You can connect them three ways. Plug them into a socket (sold separately), connect them with quick-disconnect terminals, or solder wires directly to the terminals. An LED indicator shows you the status of the relay, so you know it’s connected and wired correctly.
    2 Circuits Controlled, 3 Circuits Controlled, and 4 Circuits Controlled—Relays that control 2 or more circuits have a lockable test button, so you can test their function. When you press the button, the relay switches contacts. Use this button when checking a relay for proper function before installing it, or when investigating issues with wired relays.
    Sockets with Screw Terminals—Relay sockets mount directly on 35 mm DIN rail (also known as DIN 3 rail) for fast installation. You can also mount them to a flat surface using screws.
    Relays
    Sockets with
    Screw Terminals
    No. of
    Terminals
    Input
    Voltage
    Control Current,
    mA
    Switching Current
    @ Voltage
    Max. Switching
    Voltage, V AC
    hp @ Switching Voltage
    Ht.
    Wd.
    Dp.
    Quick-Disconnect
    Tab Wd.
    Features
    Each
    Each
    1 Circuit Controlled with 1 Off or 1 On—SPDT
     
    Relay-Socket Mount
    824V AC4615 amp @ 120V AC/24V DC250—1.1"0.9"1.6"0.197"LED Indicator69585K1100000069585K5000000
    8120V AC915 amp @ 120V AC/24V DC250—1.1"0.9"1.6"0.197"LED Indicator69585K120000069585K500000
    824V DC3715 amp @ 120V AC/24V DC250—1.1"0.9"1.6"0.197"LED Indicator69585K250000069585K500000
     
    2 Circuits Controlled with 2 Off or 2 On—DPDT
     
    Relay-Socket Mount
    824V AC5015 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"0.9"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K570000069585K10000
    8120V AC1015 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"0.9"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K580000069585K10000
    8240V AC515 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"0.9"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K590000069585K10000
    812V DC7515 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"0.9"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K660000069585K10000
    824V DC3815 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"0.9"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K670000069585K10000
     
    3 Circuits Controlled with 3 Off or 3 On—3PDT
     
    Relay-Socket Mount
    1124V AC6315 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.2"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K680000069585K200000
    11120V AC1315 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.2"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K690000069585K200000
    11240V AC615 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.2"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K710000069585K200000
    1112V DC11715 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.2"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K720000069585K200000
    1124V DC5815 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.2"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K730000069585K200000
     
    4 Circuits Controlled with 4 Off or 4 On—4PDT
     
    Relay-Socket Mount
    1424V AC6315 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.6"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K740000069585K300000
    14120V AC1315 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.6"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K790000069585K300000
    1412V DC12515 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.6"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K550000069585K300000
    1424V DC615 amp @ 120V AC
    12 amp @ 24V DC    		3001/2 hp @ 120V AC
    1 hp @ 277V AC    		1.1"1.6"1.6"0.187"LED Indicator, Lockable Test Button, Mechanical Flag Indicator69585K960000069585K300000
     

    Relay Sockets

    Image of Product. Front orientation. Contains Annotated. Relay Sockets. Style E.
    Image of Product. Front orientation. Contains Annotated. Relay Sockets. Style J.

    Style E

    Style J

    Mount to 35 mm DIN rail (also known as DIN 3 rail) or flat surfaces, then plug your relay into these sockets for fast installation.
    Recessed Terminals—Recessed terminals prevent contact with live connections.
    Style
    No. of
    Terminals
    For Quick-Disconnect
    Tab Wd.
    For Switching Current
    @ Voltage
    For Max. Switching
    Voltage, V AC
    Ht.
    Wd.
    Dp.
    Features
    Each
    Quick-Disconnect-Terminal Relay Connection
     
    Screw-Terminal Wire Connection
    E80.197"15 amp @ 120V AC2503.1"1.2"1.3"Recessed Terminals69585K5000000
    J80.187"15 amp @ 120V AC3003.1"1.2"1.3"Recessed Terminals69585K10000
    J110.187"15 amp @ 120V AC3003.1"1.6"1.2"Recessed Terminals69585K200000
    J140.187"15 amp @ 120V AC3003.1"2"1.2"Recessed Terminals69585K300000
     

    Spade-Terminal Relays

    Using a low-current signal, these relays are often used to control small motors and heaters. These relays attach to quick-disconnect terminals.
    Relay-Socket Mount
    Image of Product. 11 Terminals. Front orientation. Contains Annotated. Relays. Spade-Terminal Relays, 3 Circuits Controlled, 1.5" Wide, 1.9" Deep.
    Image of Product. Front orientation. Relay Sockets. Spade-Terminal Relays, 1.4" High.

    11 Terminals

    Sockets

    with Screw

    Terminals

    Relay-socket mount relays, also known as ice cube relays, offer three ways to connect. Plug them into a socket (sold separately), connect them with quick-disconnect terminals, or solder wires directly to the terminals.
    Sockets with Screw Terminals—Relay sockets mount directly on 35 mm DIN rail (also known as DIN 3 rail) for fast installation. They can also mount to a flat surface.
    Relays
    Sockets with
    Screw Terminals
    No. of
    Terminals
    Input
    Voltage
    Control Current,
    mA
    Max. Switching
    Voltage, V AC
    hp @ Switching Voltage
    Ht.
    Wd.
    Dp.
    Quick-Disconnect
    Tab Wd.
    Each
    Each
    3 Circuits Controlled with 3 Off or 3 On—3PDT
    11120V AC242501/2 hp @ 120V AC
    1/2 hp @ 240V AC    		1.4"1.5"1.9"0.187"7266K550000007266K17000000
    1112V DC1002501/2 hp @ 120V AC
    1/2 hp @ 240V AC    		1.4"1.5"1.9"0.187"7266K45000007266K1700000
    1124V DC512501/2 hp @ 120V AC
    1/2 hp @ 240V AC    		1.4"1.5"1.9"0.187"7266K53000007266K1700000
     
    Relay-Socket Mount/Surface Mount
    Image of Product. 8 Terminals (1 Circuit Controlled). Front orientation. Contains Annotated. Relays. Spade-Terminal Relays, 1 Circuit Controlled, 0.9" Wide, 1.4" Deep.
    Image of Product. Front orientation. Relay Sockets. Spade-Terminal Relays, 1.8" High.

    8 Terminals (1

    Circuit Controlled)

    Sockets

    with

    Screw

    Terminals

    Relay-socket/surface mount relays can plug into a socket or mount to a flat surface.
    Relay-socket mount relays, also known as ice cube relays, offer three ways to connect. Plug them into a socket (sold separately), connect them with quick-disconnect terminals, or solder wires directly to the terminals.
    Surface mount relays, also known as power relays, have a slot on the flange for mounting them to flat surfaces.
    Sockets with Screw Terminals—Relay sockets mount directly on 35 mm DIN rail (also known as DIN 3 rail) for fast installation. They can also mount to a flat surface.
    Relays
    Sockets with
    Screw Terminals
    No. of
    Terminals
    Input
    Voltage
    Control Current,
    mA
    Max. Switching
    Voltage, V AC
    hp @ Switching
    Voltage
    Ht.
    Wd.
    Dp.
    Quick-Disconnect
    Tab Wd.
    Each
    Each
    1 Circuit Controlled with 1 Off or 1 On—SPDT
    824V AC462501/2 hp @ 120V AC1.8"0.9"1.4"0.2"70315K110000007122K22000000
    8120V AC92501/2 hp @ 120V AC1.8"0.9"1.4"0.2"70315K12000007122K2200000
    824V DC372501/2 hp @ 120V AC1.8"0.9"1.4"0.2"70315K41000007122K2200000
     

    DIN-Rail Mount Solid State Relays

    Image of Product. Relay with Integrated Heat Sink. Front orientation. Contains Annotated. Relays. DIN-Rail Mount Solid State Relays.
    Image of Product. Relay with Integrated Heat Sink and Fan. Front orientation. Contains Annotated. Relays. DIN-Rail Mount Solid State Relays.
    Image of Product. Relay. Front orientation. Contains Annotated. Relays. DIN-Rail Mount Solid State Relays.

    Relay with

    Integrated Heat

    Sink

    Relay with Integrated Heat

    Sink and Fan

    Relay

    Unlike mechanical relays, these solid state relays have no moving parts, so they require less maintenance and last longer, switch faster, and are quieter. They mount on 35 mm DIN rail (also known as DIN 3) for fast installation. An LED indicator lights up when these relays are connected, so you can quickly confirm that they’re wired correctly. IP20 rated, their terminals are recessed, so they prevent fingers and other objects from touching live circuits.
    No. of
    Terminals
    Input
    Voltage
    Control Current,
    mA
    Switching Current @
    Voltage (Load Type)
    Max. Switching
    Voltage, V DC
    Ht.
    Wd.
    Dp.
    Features
    Each
    1 Circuit Controlled with 1 Off—SPST-NO
     
    Single Phase
    424V DC1815 amp @ 24V DC (Resistive)323.496"0.689"2.394"LED Indicator4286N15000000
     

    Air-Actuated Relays

    Image of Product. Front orientation. Contains Annotated. Air-Actuated Relays.
    Also known as an air-to-electric switch, this relay converts an air signal to an electric signal. Use it to actuate solenoid valves and other electric components from your pneumatic control system.
    Air
    Connection
    Conduit
    Connection
    No. of
    Terminals
    Switching Current
    @ Voltage
    Max. Switching
    Voltage, V AC
    Air Pressure,
    psi
    Pipe
    Size
    Thread
    Type
    Gender
    Ht.
    Wd.
    Dp.
    Trade
    Size
    Thread
    Type
    Gender
    Each
    1 Circuit Controlled with 1 Off or 1 On—SPDT
    315 amp @ 240V AC2508 to 1001/8
    		NPT
    		Female3.6"1"3.1"1/2
    		NPSM
    		Female49145K510000000
     

    Infrequent-Cycle Relays

    Image of Product. 2 Circuits. Front orientation. Contains Annotated. Infrequent-Cycle Relays. Infrequent-Cycle Relays, 4 Terminals.
    Image of Product. 3 Circuits. Front orientation. Contains Annotated. Infrequent-Cycle Relays. Infrequent-Cycle Relays, 6 Terminals.

    2 Circuits

    3 Circuits

    For use with equipment that cycles on and off, these relays meet UL 508 for air conditioning and heating. Connections are accessible from the front, so you can mount relays side-by-side. Also known as definite-purpose contactors.
    Auxiliary contacts for 3.8"-7.2" Ht. relays are also available. They allow you to add a signaling device or control another relay. Please select 6564K99, then select the McMaster-Carr part number of your relay and whether you want to switch one circuit on or off.
    Switching Current
    @ 600V AC, amp
    hp @
    Switching Voltage
    No. of
    Terminals
    Input Voltage
    Control
    Power
    Full
    Load
    Resistive
    Load
    Single Phase
    Three Phase
    Ht.
    Wd.
    Dp.
    Quick-Disconnect
    Tab Wd.
    Each
    2 Circuits Controlled with 2 Off—DPST-NO
     
    Quick-Disconnect × Screw Terminal
    424V AC7 VA15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K911000000
    4120V AC7 VA15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K91200000
    4208V AC, 240V AC7 VA15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K91300000
    424V DC3.1 W15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K511000000
     
    3 Circuits Controlled with 3 Off—3PST-NO
     
    Quick-Disconnect × Screw Terminal
    624V AC7 VA15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K921000000
    6120V AC7 VA15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K922000000
    6208V AC, 240V AC7 VA15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K923000000
    624V DC3.1 W15203/4 hp @ 115V AC
    2 hp @ 230V AC    		3 hp @ 230V AC
    5 hp @ 460V AC
    5 hp @ 575V AC    		3.8"2.4"3.4"0.25"6564K512000000
     

    Manual Transfer Switches

    Image of Product. Front orientation. Transfer Switches. Manual Transfer Switches, NEMA 1.
    Image of Product. Front orientation. Transfer Switches. Manual Transfer Switches, NEMA 1 with NEMA 3R Power Inlet Box.
    Image of Product. Front orientation. Transfer Switches. Manual Transfer Switches, NEMA 3R.

    NEMA 1

    NEMA 1 with NEMA 3R

    Power Inlet Box

    NEMA 3R

    If there’s a power outage, flip the toggle for each circuit on these switches to backup power. Each circuit can also be turned off completely. To prevent injury and damage to your generators, they are open transition, meaning the contacts disconnect from one power source before connecting to another. This is also known as break-before-make switching.
    Use them with a portable generator.
    NEMA 1—NEMA 1 switches should be used indoors.
    NEMA 1 with NEMA 3R Power Inlet Box—NEMA 1 switches with a power inlet box create a connection point between the switch and a portable generator. These switches should be used indoors. But their inlet box is rated NEMA 3R, so it can be mounted on the outside of an exterior wall.
    NEMA 3R—NEMA 3R switches can be used outdoors since they seal out rain, snow, and sleet.
    Key Lock—Switches with a key lock prevent unauthorized changes to the switch.
    Housing
    Mounting
    Max. Power,
    W
    Switching Current
    (No. of Switches)
    Circuit Breaker Breakthrough
    Current, amp
    Electrical
    Phase
    Housing Material
    Ht.
    Wd.
    Dp.
    Generator Connection
    NEMA Type
    Generator Connection
    California Std. Style
    Power Cord
    Lg., ft.
    Fasteners
    Included
    No. of
    Holes
    Hole
    Dia.
    Features
    Certification
    Specs. Met
    Each
    NEMA 1
     
    10 Circuits Controlled
    7,50030 amp @ 240V AC (1 DPDT)
    20 amp @ 240V AC (1 DPDT)
    15 amp @ 120V AC (6 SPDT)    		10,000SinglePowder-Coated Steel11 1/4"11 3/4"4 3/4"L14-30
    		——Yes51/4"—UL Listed
    		UL 1008, NEC Article 7024272N180000000
     
    NEMA 1 with NEMA 3R Power Inlet Box
     
    6 Circuits Controlled
    7,50020 amp @ 240V AC (1 DPDT)
    15 amp @ 120V AC (4 SPDT)    		10,000SinglePowder-Coated Steel12"8 3/4"6"L14-30
    		—10Yes51/4"—UL Listed
    		UL 1008, NEC Article 7024272N11000000
     
    10 Circuits Controlled
    7,50020 amp @ 240V AC (1 DPDT)
    20 amp @ 120V AC (2 SPDT)
    15 amp @ 120V AC (6 SPDT)    		10,000SinglePowder-Coated Steel11 1/4"11 3/4"4 3/4"L14-30
    		—10Yes51/4"—UL Listed
    		UL 1008, NEC Article 7024272N12000000
     
    NEMA 3R
     
    10 Circuits Controlled
    7,50020 amp @ 240V AC (1 DPDT)
    20 amp @ 120V AC (2 SPDT)
    15 amp @ 120V AC (6 SPDT)    		10,000SinglePowder-Coated Steel12 3/4"12"5"L14-30
    		——Yes51/4"Key LockUL Listed
    		UL 1008, NEC Article 7024272N14000000
    12,50020 amp @ 240V AC (1 DPDT)
    20 amp @ 120V AC (2 SPDT)
    15 amp @ 120V AC (6 SPDT)    		10,000SinglePowder-Coated Steel12 3/4"12"5"—CS6375—Yes51/4"Key LockUL Listed
    		UL 1008, NEC Article 7024272N16000000
     
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