Circular-Pin Relays | McMaster-Carr

Filter by

System of Measurement

Switching Current

Switching Voltage

Number of Circuits Controlled

Number of Terminals

Mounting Location

Conduit Hub

DIN Rail

Printed Circuit Board

Electrical Phase

Horsepower @ Switching Voltage

Relay Type

Socket Connection

Circular-Pin Terminal

Quick-Disconnect Terminal

Operation Type

Mechanical

Solid State

Switch Starting Position

Wire Connection

Electrical Connection

Switch Action

Width

Certification

C-UL Recognized Component

CE Marked

CSA Certified

TUV Rheinland Certified

TUV SUD Certified

UL Certified

UL Listed

UL Recognized Component

Control Current

Height

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

REACH

812 Products

Relays

Compact Spade-Terminal Relays

Fit where standard spade-terminal relays are too big

33 products

Circular-Pin Relays

Plug into relay sockets for easy installation

32 products

Thin Spade-Terminal Relays

Save space in your control cabinet

17 products

Spade-Terminal Relays

Use a low-current signal to control small motors and heaters

37 products

Circuit Board Relays

Smaller than relays with electrical wiring, so they fit in compact devices

23 products

DIN-Rail Mount Solid State Relays

Mount on 35 mm DIN rail and are faster, longer lasting, and quieter than mechanical relays

31 products

Hazardous Location Relays

Sealed for safety for use where combustible or corrosive gases may be present

27 products

DIN-Rail Mount Touch-Safe Screw Terminal Relays

Recessed terminals prevent fingers and objects from touching live circuits

77 products

Solid State Screw Terminal Relays

Faster, longer lasting, and quieter than mechanical relays

59 products

Open-Style Screw Terminal Relays

Use with industrial automation systems, emergency lighting, and small motors

23 products

Stud-Terminal Relays

Control circuits in DC-powered equipment such as forklifts and trucks

11 products

Enclosed Relays

Prevent damage from dust or accidental bumps

8 products

Solid State Spade-Terminal Relays

Often used for high-speed switching at low currents and last longer than mechanical relays

11 products

Screw Terminal Relays

Use the screw terminals to hardwire these relays

7 products

Washdown Enclosed Relays

A NEMA 4X enclosure protects against washdowns, dirt, and corrosion

6 products

Water-Resistant Stud-Terminal Relays

Sealed to keep water out and often used for DC-powered equipment such as floor scrubbers

6 products

Wireless Enclosed Relays

Turn equipment on and off from up to 150 feet away without having to run electrical wire

5 products

Network-Enabled Relays

Remotely control these relays through any IP network, including the Internet

4 products

Other Products

Latching Relays

Lock into position so they don't require constant voltage to stay switched

27 products

Interface Relays

Isolate input and output circuits to protect PLCs and other controllers

79 products

Infrequent-Cycle Relays

Use with equipment that cycles on and off, such as HVAC systems

147 products

Safety Relays

Monitor circuits and force machines to a safe stop if the relay detects a fault

64 products

Air-Actuated Relays

Convert an air signal on a pneumatic control system to an electric one

1 product

Monitoring Relays

Trip circuits or sound an alarm when voltage, current, or other limits are exceeded

31 products

Vehicle Relays

Switch high-current loads on vehicles, such as starters, headlights, and fuel pumps

47 products

Lighting Relays

Control lighting circuits and switch lighting systems on or off

13 products

Proportional-Control Relays

Gradually adjust output instead of turning on or off

12 products

Alternating Relays

Automatically split run time between two devices so one isn't always running

2 products