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Functional Devices
Functional Devices RIBMN24ZL : Track Mount Power Relay, 30 Amp DPST-N/O, 24 Vac/dc Coil, 2.75" Track Mount
MSRP: $164.70$82.35 -
Functional Devices
Functional Devices RIBMN24ZL-NC : Track Mount Power Relay, 30 Amp DPST-N/C, 24 Vac/dc Coil, 2.75" Track Mount
MSRP: $178.80$89.40 -
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Functional Devices
Functional Devices RIBT243P : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: 3PST-N/O, 24 Vac/dc Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
MSRP: $277.50$138.75 -
Functional Devices
Functional Devices RIBT243P-NC : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: 3PST-N/C, 24 Vac/dc Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
MSRP: $289.10$144.55 -
Functional Devices
Functional Devices RIBT24B : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPDT, 24 Vac/dc Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
MSRP: $71.80$35.90 -

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.