Boats | McMaster-Carr

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Dual Switch Roller Lever

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DFARS Specialty Metals

Attachment Type

Enclosure Rating

Switching Current

Switch Starting Position

Number of Terminals

Actuator Color

Color

Push-Button Style

Switch Designation

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Panel Cutout Diameter

Number of Circuits Controlled

Flexibility

Illumination

4,928 Products

Electrical

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

937 products

Manual Switch Contact Blocks

Mount to switches to control electrical circuits as you move the switch

3 products

Safety Switches

Protect people by cutting power to machines when access doors open; also known as interlock switches

33 products

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

1 product

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

5 products

Motor Switches

Turn motors, lighting, and electric heat circuits on and off

2 products

Light Switch Sensors

Automatically turn lights on and off when you enter and exit rooms

5 products

Limit Switches

Turn equipment on or off when objects touch the actuator; often used for conveyors and bin filling

131 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

120 products

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

5 products

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

65 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

23 products

Bumper Switches

Signal when overhead doors close or items reach the end of conveyors

14 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

8 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

6 products

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

596 products

Motor Starters

Turn motors on and off and protect them from current overloads

160 products

Photoelectric Switch Reflectors

Pair with sensor switches to reflect light back at them

38 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

31 products

Transfer Switches

Switch to backup power during an outage

14 products

Sensor Switch Transmitters

Monitor objects, switch equipment on and off, and send data to control systems with a single device

13 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

99 products

Electrical Wire

Make single-wire connections; generally for lower voltages and shorter distances than cable

8 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

41 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

5 products

Electrical Cords

Connect equipment and devices to a power supply

5 products

Electrical Connector Seals

Add to the front or back of connectors to block out dust, debris, and weather

5 products

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

24 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

59 products

Potting Compounds

Encase electronic assemblies in material that hardens to protect from dust, moisture, and vibration

6 products

Batteries

Household, button/coin cell, large-cell, and cordless tool batteries

13 products

Raw Materials

Plastic

A lightweight alternative to metal and glass

82 products

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

51 products

Material Handling

Wire Rope

Lift, hang, and connect objects; more abrasion resistant than rope and lighter weight than chain

387 products

Rope

Tie, bind, and lift objects; lighter weight yet lower capacity than wire rope

72 products

Lanyards

Pull, hang, tie down, and tether objects with the attached fittings

427 products

Floor Locks

Stabilize carts, trucks, workbenches, and other mobile equipment during loading and unloading

1 product

Tablet Holders

Equip tablets with safety switches to halt robots, conveyors, and other machinery in an instant

3 products

Fastening and Joining

Adhesives

Bond surfaces together

13 products

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

150 products

Hook and Loop

Press to interlock pieces and fasten materials together

60 products

Tape

Bind, seal, and mark surfaces

21 products

Containers, Storage, and Furniture

Chests

Secure equipment and supplies at jobsites; also known as job boxes

3 products

Communication

Legend Plates

Mark switches and lights on control panels for easy identification

5 products

Audible Alarms

Everything from bells and whistles to horns and sirens

9 products

RFID Reader/Writers

Scan RFID tags and cards to track inventory or grant building access

7 products

Sealing

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

34 products

Facility and Grounds Maintenance

Protective Coatings

Shield surfaces from the surrounding environment

3 products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

12 products

Building and Machinery Hardware

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

86 products

Lubricating

Grease

Thicker than oil to evenly lubricate surfaces and stay in place

97 products

Oil

Thinner than grease to flow in smaller gaps; dissipates heat and removes dirt and metal shavings

4 products

Oil Additives

Enhance the performance of oil and extend its life

6 products

Antiseize Lubricants

Prevent threaded fasteners from sticking due to rust, dirt, and heat

23 products

Penetrating Lubricants

Cut through dirt, grease, and rust to protect tools and components from wear

6 products

Mold-Release Lubricants

Apply to molds before casting parts to prevent sticking, stretching, and tearing

8 products

Fluid Handling

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

338 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

73 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

29 products

Power Transmission

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

33 products

Heating, Ventilation, and Air Conditioning

Duct Fans

Send airflow through or remove exhaust from duct

2 products