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Functional Devices RIB243P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: 3PST-N/O, 24 Vac/dc Coil, NEMA 1 Housing
MSRP: $160.00$80.00 -
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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: $96.65$48.33 -
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Functional Devices RIB24Z : Enclosed Power Relay, 30 Amp Contact Rating, Relay Contact Type: SPST-N/O + SPST-N/C, 24 Vac/dc Coil, NEMA 1 Housing
MSRP: $107.97$53.99 -
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Functional Devices RIBM013PN : 4.00" Track Mount Power Relay, 30 Amp 3PDT, 120 Vac Coil
MSRP: $132.60$66.30 -
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Functional Devices RIBM023PN : 4.00" Track Mount Power Relay, 30 Amp 3PDT, 208-277 Vac Coil
MSRP: $158.13$79.07 -
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Functional Devices RIBM043PN : 4.00" Track Mount Power Relay, 30 Amp 3PDT, 480 Vac Coil
MSRP: $141.15$70.58 -
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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: $192.98$96.49 -
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Functional Devices RIBM2401B : Track Mount Power Relay, 20 Amp SPDT, 24 Vac/dc/120 Vac Coil, 4.00" Track Mount
MSRP: $38.90$19.45 -
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Functional Devices RIBM2401SB : Track Mount Power Relay, 20 Amp SPST + Override, 24 Vac/dc/120 Vac Coil, 4.00" Track Mount
MSRP: $65.69$32.85 -
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Functional Devices RIBM2401SBC : Track Mount Power Relay, 20 Amp SPDT + Override, 24 Vac/dc/120 Vac Coil, 4.00" Track Mount
MSRP: $75.47$37.74
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.