-
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB2421B : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPDT, 24 Vac/dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing
MSRP: $79.60$39.80 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB2401B : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPDT, 24 VAC/DC or 120VAC Coil Voltage, NEMA 1 Housing
MSRP: $53.00$26.50 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB01P30-NONC : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: DPST-N/O/N/C, 120 Vac Coil Voltage, NEMA 1 Housing
MSRP: $219.30$109.65 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB02P30-NC : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: DPST-N/C, 208-277 Vac Coil Voltage, NEMA 1 Housing
MSRP: $233.50$116.75 -
Add to Cart The item has been added -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB24P30 : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: DPDT, 24 Vac/dc Coil, NEMA 1 Housing
MSRP: $171.40$85.70 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIBM043PN-HD : Heavy Duty Relay, 30 Amp 3PDT, 480 Vac Coil, For Use in More Transient Prone Environments, 4.00" x 3.25" Track Mount
MSRP: $294.60$147.30 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIBT24P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: DPDT, 24 Vac/dc Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
MSRP: $203.30$101.65 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB013P-NC : Enclosed Power Relay, 20 Amp Contact Rating. Relay Contact Type: 3PST-N/C, 120 Vac Coil Voltage, NEMA 1 Housing
MSRP: $273.00$136.50 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB04P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: DPDT, 480 Vac Coil Voltage, NEMA 1 Housing
MSRP: $176.70$88.35 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB043P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: 3PST-N/O, 480 Vac Coil Voltage, NEMA 1 Housing
MSRP: $252.80$126.40 -
Add to Cart The item has been addedFunctional Devices
Functional Devices RIB24P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: DPDT, 24 Vac/dc Coil, NEMA 1 Housing
MSRP: $148.80$74.40
Power Relays
Shop our selection of Functional Devices RIB (Relay in a Box) power relays—trusted for HVAC, lighting, and building automation control. These enclosed and track-mount relays come pre-wired in NEMA 1 housings and support a variety of coil voltages (12V to 480V) and contact types (SPST, SPDT, DPDT, 3PDT).
Choose models with LED indicators, manual overrides, or time delay functions to simplify installation and diagnostics. Ideal for fans, pumps, lighting, and system integration—whether you're wiring a panel or automating a building. UL listed. Made in the USA.