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Blueair

Relays and Accessories

Relays and Accessories

This category features industrial-grade electrical relays, solid-state switching modules, and specialized control accessories engineered to manage low-voltage control signals and switch electrical circuits across commercial and manufacturing automation networks. The technical selection includes heavy-duty electromechanical control relays, time-delay relays, solid-state relays (SSRs), monitoring relays, and matching DIN-rail or panel-mount sockets. Designed to isolate sensitive electronic control systems—such as PLCs, thermostats, and microcontrollers—from high-voltage, high-amperage power loads, these components withstand rapid cycling, mechanical vibrations, and continuous thermal duty. This comprehensive lineup provides industrial automation engineers, panel builders, and facility maintenance teams with code-compliant, reliable solutions to automate machinery, coordinate sequence timing, and protect delicate equipment from electrical feedback.

102 products

RHEEM SALES COMPANY, INC

RELAY 621869

621869

ContactOut of Stock

Mars

RELAY 90-24

90-24

ContactOut of Stock

Neuco

42-25104-06 BLOWER RELAY

42-25104-06

ContactOut of Stock

DiversiTech Corporation

RELAY 90-291Q

90-291

ContactOut of Stock

Mars

RELAY 90-33

90-33

ContactOut of Stock

Mars

RELAY 90-68

90-68

ContactOut of Stock

TRANE

RELAY RLY2878

RLY2878

ContactOut of Stock

Mars

RELAY 94-70

94-70

ContactOut of Stock

RHEEM SALES COMPANY, INC

HEATER RELAY 621898

621898

ContactOut of Stock

EMERSON CLIMATE TECHNOLOGIES

RELAY 940-0090-06 COPE

940-0090-06

ContactOut of Stock

Mars

RELAY 90-99 TERM SGL/PK

90-99

ContactOut of Stock

IO SYSTEMS

RELAY IO-WR

iO-WR

ContactOut of Stock

Mars

RELAY 90-2

90-2

ContactOut of Stock

DiversiTech Corporation

RELAY 90-290Q

90-290

ContactOut of Stock

EMERSON CLIMATE TECHNOLOGIES

RELAY 940-C411-89 COPE

940-C411-89

ContactOut of Stock

RHEEM SALES COMPANY, INC

RELAY 622180R

622180R

ContactOut of Stock

RHEEM SALES COMPANY, INC

RELAY 1017207

1017207

ContactOut of Stock

Mars

RELAY 90-40

90-40

ContactOut of Stock

Mars

RELAY 90-8

90-8

ContactOut of Stock

DiversiTech Corporation

RELAY 90-342

PR-342

ContactOut of Stock

FEINROHREN PT

RELAY OVERLOAD 48HB31AA4

48HB31AA4

ContactOut of Stock

Supco

RELAY R081 S/U

R081

ContactOut of Stock

Mars

RELAY 94-290Q

94-290Q

ContactOut of Stock

Mars

RELAY 90-230

90-230

ContactOut of Stock

DiversiTech Corporation

PR1931 RELAY (621931)

PR1931

ContactOut of Stock