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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: $79.60Your Price: $39.80 -
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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: $53.00Your Price: $26.50 -
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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: $219.30Your Price: $109.65 -
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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: $233.50Your Price: $116.75 -
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Functional Devices RIBT2401SB : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPST + Override, 24 Vac/dc/120 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
MSRP: $107.30Your Price: $53.65 -
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Functional Devices RIB24P30 : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: DPDT, 24 Vac/dc Coil, NEMA 1 Housing
MSRP: $171.40Your Price: $85.70 -
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Functional Devices RIB2402B2G : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: DPDT, 24 Vac/dc/208-277 Vac Coil Voltage, NEMA 1 Housing
MSRP: $135.30Your Price: $67.65 -
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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: $294.60Your Price: $147.30 -
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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: $203.30Your Price: $101.65 -
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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: $273.00Your Price: $136.50 -
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Functional Devices RIB04P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: DPDT, 480 Vac Coil Voltage, NEMA 1 Housing
MSRP: $176.70Your Price: $88.35 -
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Functional Devices RIB043P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: 3PST-N/O, 480 Vac Coil Voltage, NEMA 1 Housing
MSRP: $252.80Your Price: $126.40 -
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Functional Devices RIB24P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: DPDT, 24 Vac/dc Coil, NEMA 1 Housing
MSRP: $148.80Your Price: $74.40 -
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Functional Devices RIB347P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: DPDT, 347 Vac Coil, NEMA 1 Housing
MSRP: $219.20Your Price: $109.60 -
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Functional Devices RIBTD2401B : Time Delay Relay, 20 Amp SPDT, 24 Vac/dc/120 Vac Coil, NEMA 1 Housing
MSRP: $184.50Your Price: $92.25 -
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Functional Devices RIB02P30 : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: DPST-N/O, 208-277 Vac Coil Voltage, NEMA 1 Housing
MSRP: $189.70Your Price: $94.85 -
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Functional Devices RIBT242B : Enclosed Power Relays, 20 Amp Contact Rating, Relay Contact Type: 2 SPDT, 24 Vac/dc Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
MSRP: $127.30Your Price: $63.65 -
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Functional Devices RIB01P30-S : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: DPST-N/O + Coil Side Override, 120 Vac Coil Voltage, NEMA 1 Housing
MSRP: $277.30Your Price: $138.65 -
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Functional Devices RIB12P30 : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: DPDT, 12 Vac/dc Coil Voltge, NEMA 1 Housing
MSRP: $367.40Your Price: $183.70 -
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Functional Devices RIB2402B : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPDT, 24 Vac/dc/208-277 Vac Coil Voltage, NEMA 1 Housing
MSRP: $61.80Your Price: $30.90
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.