Electrical Relays Selection Guide



Compact Power Relays - Single Pole & Double Throw

To view the corresponding bases for the plug-in relays below, click on the relay part number and "view the accessories."

Part Number Voltage Contacts Light Override
RH1B-ULAC24V 24vac SPDT @ 10A
VMD1B-F24A
RH1B-UAC24V
RH1B-ULAC120V 120vac
VMD1B-F120A SPDT @ 15A
VMD1B-C120A SPDT @ 10A
RH1B-ULDC12V 12vdc SPDT @ 10A
RH1B-ULCAC24V SPDT @ 10A
RH1B-ULCDC12V SPDT @ 10A
VMD1B-F12D SPDT @ 20A
RH1B-ULDC24V 24vdc SPDT @ 10A
RH1B-UDC24V SPDT @ 10A
VMD1B-F24D SPDT @ 15A



Compact Power Relays - Double Pole & Double Throw

To view the corresponding bases for the plug-in relays below, click on the relay part number and "view the accessories."

Part Number Voltage Contacts Light Override
RH2B-ULAC12V 12vac DPDT @ 10A
VMD2B-F12D 12vdc DPDT @ 15A
VMD2B-C12D 12vdc DPDT @ 10A
RH2B-ULAC24V 24vac DPDT @ 10A
RH2B-ULCAC24V 24vac DPDT @ 10A
RH2B-UAC24V 24vac DPDT @ 10A
VMD2B-F24A 24vac DPDT @ 10A
RH2B-ULDC24V 24vdc DPDT @ 10A
RH2B-ULCDC24V 24vdc DPDT @ 10A
VMD2B-F24D 24vdc DPDT @ 15A
RH2B-UDC24V 24vdc DPDT @ 10A
VMD2B-C120A 120vac DPDT @ 10A
VMD2B-F120A 120vac DPDT @ 10A
RH2B-ULAC110-120V 110-120vac DPDT @ 10A
RH2B-UAC110-120V 110-120vac DPDT @ 10A
RH2B-UAC220-240V 220-240vac DPDT @ 10A

Compact Power Relays - 3 Pole & Double Throw

To view the corresponding bases for the plug-in relays below, click on the relay part number and "view the accessories."

Part Number Voltage Contacts Light Override
RH3B-ULAC24V 24vac 3PDT @ 10A
RH3B-UAC24V 24vac 3PDT @ 10A
VMD3B-C24A 24vac 3PDT @ 10A
RH3B-ULCAC24V 24vac 3PDT @ 10A
VMD3B-F24A 24vac 3PDT @ 15A
VMD3B-C120A 120vac 3PDT @ 10A
RH3B-ULAC120V 120vac 3PDT @ 10A
VMD3B-F120A 120vac 3PDT @ 15A


Compact Power Relays - 4 Pole & Double Throw

To view the corresponding bases for the plug-in relays below, click on the relay part number and "view the accessories."

Part Number Voltage Contacts Light Override
VMD4B-F24A 24vac 4PDT @ 15A
RH4B-UAC24V 24vac 4PDT @ 10A
RH4B-ULAC24V 24vac 4PDT @ 10A
RH4B-ULDC24V 24vdc 4PDT @ 10A
RH4B-UAC120V 120vac 4PDT @ 10A
VMD4B-C120A 120vac 4PDT @ 10A
VMD4B-CL120A 120vac 4PDT @ 10A
RH4B-ULAC120V 120vac 4PDT @ 10A

Enclosed Pilot Relays

The Pilot Series contains relays that are rated at 10 or 15 Amps. They have been packaged to save the installer the time, trouble and expense of buying separate components (relay, LED indicator, socket, mounting rail, transient protection and housing) and assembling them on the job or at the shop.

Substitutes are available, to view them click on the part number and click "view substitutes items."



Part Number Coil Voltage Contacts Contact Rating # of Relays Override
RIBU1C 10-30 vac/dc or 120 vac SPDT 10A 1
RIBU1S 10-30 vac/dc or 120 vac SPST 10A 1
RIB2401D 24 vac/dc or 120 vac DPDT 10A 1
RIBH1C 10-30 vac/dc or 208-277 vac SPDT 10A 1
RIBU2C 10-30 vac/dc or 120 vac (2) SPDT 10A 2
RIBL3C 10-30 vac/dc (3) SPST 10A 3
RIBU1SC 10-30 vac/dc or 120 vac SPDT 10A 2
RIBL4C 10-30 vac/dc (3) SPST + (1) SPDT 10A 4
RIB2421C 24 vac/dc or 120-277 vac SPDT 10A 1
RIBH2C 10-30 vac/dc or 208-277 vac (2) SPDT 10A 2

General Purpose Relays

General-purpose relays are used in refrigeration and air conditioning equipment, appliances, vending machines, and other applications requiring general-purpose switching.

Substitutes are available, to view them click on the part number and click "view substitutes items."

Part Number Coil Voltage Contacts
R4222D1013 120vac DPDT
R4222B1082 120vac SPDT
R4222N1002 120vac DPDT
R8222D1014 24vac DPDT
R8222B1067 24vac SPDT
R8222N1011 24vac DPDT
90-340 24vac DPDT
90-341 120vac DPDT
90-342 208/240vac DPDT