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Collection: By Manufacturer: Functional Devices (RIB)

Functional Devices manufactures Relays in a Box (RIB), the industry standard for reliable building automation. These pre-packaged, enclosed relays save installers time and money by eliminating custom enclosures. Known for durability and easy installation, RIB products simplify power control across HVAC, lighting, and energy management systems.

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Functional Devices PSH100AB10 Enclosed Single 100VA 120 to 24 VAC UL Class 2 power supply 10A main breaker

Functional Devices PSH100AB10 Enclosed Single 100VA 120 to 24 VAC UL Class 2 power supply 10A main breaker

Regular price $165.40 USD

Regular price Sale price $165.40 USD
Functional Devices TR75VA001 Transformer 75VA, 120-24V, single hub, Class 2 UL Listed US/Canada, circuit breaker

Functional Devices TR75VA001 Transformer 75VA, 120-24V, single hub, Class 2 UL Listed US/Canada, circuit breaker

Regular price $58.45 USD

Regular price Sale price $58.45 USD
Functional Devices TR50VA015 Transformer 50VA,480/277/240/208/120-24V,1 Hub,Class2 UL List US/CA,CB

Functional Devices TR50VA015 Transformer 50VA,480/277/240/208/120-24V,1 Hub,Class2 UL List US/CA,CB

Regular price $54.15 USD

Regular price Sale price $54.15 USD
Functional Devices TR50VA008 Transformer 50VA, 208/240/277/480-120 VAC, dual hub, 2.25A circuit breaker UL Lis

Functional Devices TR50VA008 Transformer 50VA, 208/240/277/480-120 VAC, dual hub, 2.25A circuit breaker UL Lis

Regular price $60.07 USD

Regular price Sale price $60.07 USD
Functional Devices TR40VA001 Transformer 40VA, 120-24V, single hub, Class 2, UL Listed US/Canada,Inherent Lim

Functional Devices TR40VA001 Transformer 40VA, 120-24V, single hub, Class 2, UL Listed US/Canada,Inherent Lim

Regular price $35.88 USD

Regular price Sale price $35.88 USD
Functional Devices TR20VA001 Transformer 20VA, 120-24V, single hub, Class 2, UL List., US/Can.,Inherent Lim.

Functional Devices TR20VA001 Transformer 20VA, 120-24V, single hub, Class 2, UL List., US/Can.,Inherent Lim.

Regular price $31.36 USD

Regular price Sale price $31.36 USD
Functional Devices TR100VA002 Transformer 100VA, 120-24V, dual hub, Class2 UL Listed US/Canada, circuit breaker

Functional Devices TR100VA002 Transformer 100VA, 120-24V, dual hub, Class2 UL Listed US/Canada, circuit breaker

Regular price $62.06 USD

Regular price Sale price $62.06 USD
Functional Devices TR100VA001 Transformer 100VA,120-24V,single hub,Class2 UL Listed US/Canada, Circ. Br.

Functional Devices TR100VA001 Transformer 100VA,120-24V,single hub,Class2 UL Listed US/Canada, Circ. Br.

Regular price $60.01 USD

Regular price Sale price $60.01 USD
Functional Devices RIBXKF Enclosed Solid-Core AC Sensor, .25-150 Amp, fixed, wire lead

Functional Devices RIBXKF Enclosed Solid-Core AC Sensor, .25-150 Amp, fixed, wire lead

Regular price $26.00 USD

Regular price Sale price $26.00 USD
Functional Devices RIBXGTA Enclosed Split-Core AC Sensor, .75-150 Amp, adjustable, terminals

Functional Devices RIBXGTA Enclosed Split-Core AC Sensor, .75-150 Amp, adjustable, terminals

Regular price $38.26 USD

Regular price Sale price $38.26 USD
Functional Devices RIBXGFL Enclosed Split-Core AC Sensor, LED, .75-150 Amp, fixed, wire leads

Functional Devices RIBXGFL Enclosed Split-Core AC Sensor, LED, .75-150 Amp, fixed, wire leads

Regular price $52.12 USD

Regular price Sale price $52.12 USD
Functional Devices RIBXGF Enclosed Split-Core AC Sensor, .35-150 Amp, fixed, wire leads

Functional Devices RIBXGF Enclosed Split-Core AC Sensor, .35-150 Amp, fixed, wire leads

Regular price $36.29 USD

Regular price Sale price $36.29 USD
Functional Devices RIBXA Enclosed Internal AC Sensor, Adjustable

Functional Devices RIBXA Enclosed Internal AC Sensor, Adjustable

Regular price $49.86 USD

Regular price Sale price $49.86 USD
Functional Devices RIBU2S2 Enclosed Relay 10 Amp 2 SPST 10-30 VAC/ DC or 120 VAC + Override

Functional Devices RIBU2S2 Enclosed Relay 10 Amp 2 SPST 10-30 VAC/ DC or 120 VAC + Override

Regular price $106.32 USD

Regular price Sale price $106.32 USD
Functional Devices RIBU2C Enclosed Relays 10 Amp 2 SPDT 10-30 VAC/ DC/120 VAC

Functional Devices RIBU2C Enclosed Relays 10 Amp 2 SPDT 10-30 VAC/ DC/120 VAC

Regular price $43.25 USD

Regular price Sale price $43.25 USD
Functional Devices RIBU1C-N4 Enclosed Relay NEMA4/4X 10 Amp SPDT 10-30 VAC/ DC/120 VAC

Functional Devices RIBU1C-N4 Enclosed Relay NEMA4/4X 10 Amp SPDT 10-30 VAC/ DC/120 VAC

Regular price $39.29 USD

Regular price Sale price $39.29 USD
Functional Devices RIBU1C Enclosed Relay 10 Amp SPDT 10-30 VAC/ DC/120 VAC

Functional Devices RIBU1C Enclosed Relay 10 Amp SPDT 10-30 VAC/ DC/120 VAC

Regular price $19.39 USD

Regular price Sale price $19.39 USD
Functional Devices RIBTW2401B-BC BACnet Enclosed Relay 20 Amp SPDT 24 VAC/ DC/120 VAC with 1 digital input

Functional Devices RIBTW2401B-BC BACnet Enclosed Relay 20 Amp SPDT 24 VAC/ DC/120 VAC with 1 digital input

Regular price $153.86 USD

Regular price Sale price $153.86 USD
Functional Devices RIBTE24B Enclosed Relay Hi/Low sep 20 Amp SPDT 24 VAC/ DC power + 5-30 VAC/ DC control

Functional Devices RIBTE24B Enclosed Relay Hi/Low sep 20 Amp SPDT 24 VAC/ DC power + 5-30 VAC/ DC control

Regular price $48.23 USD

Regular price Sale price $48.23 USD
Functional Devices RIBTD2401B Enclosed Time Delay Relay Hi/Low sep 20 Amp SPDT 24 VAC/ DC 120 VAC

Functional Devices RIBTD2401B Enclosed Time Delay Relay Hi/Low sep 20 Amp SPDT 24 VAC/ DC 120 VAC

Regular price $107.08 USD

Regular price Sale price $107.08 USD
Functional Devices RIBT24B Enclosed Relay Hi/Low sep 20 Amp SPDT 24 VAC/ DC

Functional Devices RIBT24B Enclosed Relay Hi/Low sep 20 Amp SPDT 24 VAC/ DC

Regular price $41.67 USD

Regular price Sale price $41.67 USD
Functional Devices RIBHX24BA Enclosed Relay 20 Amp SPST 24 VAC/ DC Internal Adjustable AC Sensor

Functional Devices RIBHX24BA Enclosed Relay 20 Amp SPST 24 VAC/ DC Internal Adjustable AC Sensor

Regular price $107.08 USD

Regular price Sale price $107.08 USD
Functional Devices RIB24P30 Enclosed Relay 30 Amp DPDT 24 VAC/ DC

Functional Devices RIB24P30 Enclosed Relay 30 Amp DPDT 24 VAC/ DC

Regular price $99.48 USD

Regular price Sale price $99.48 USD
Functional Devices RIB24P Enclosed Relay 20 Amp DPDT 24 VAC/ DC

Functional Devices RIB24P Enclosed Relay 20 Amp DPDT 24 VAC/ DC

Regular price $86.37 USD

Regular price Sale price $86.37 USD
Functional Devices RIB2401D Enclosed Relay 10 Amp DPDT 24 VAC/ DC/120 VAC

Functional Devices RIB2401D Enclosed Relay 10 Amp DPDT 24 VAC/ DC/120 VAC

Regular price $32.80 USD

Regular price Sale price $32.80 USD
Functional Devices RIB2401B Enclosed Relay 20 Amp SPDT 24 VAC/ DC/120 VAC

Functional Devices RIB2401B Enclosed Relay 20 Amp SPDT 24 VAC/ DC/120 VAC

Regular price $31.55 USD

Regular price Sale price $31.55 USD
Functional Devices RIB02SBDC-NC Enclosed Relay, Class 2 Dry Contact input, 208-277 VAC power, 20A SPST-N/C + Override

Functional Devices RIB02SBDC-NC Enclosed Relay, Class 2 Dry Contact input, 208-277 VAC power, 20A SPST-N/C + Override

Regular price $59.26 USD

Regular price Sale price $59.26 USD
Functional Devices RIB02SBDC Enclosed Relay, Class 2 Dry Contact input, 208-277 VAC power, 20A SPST + Override

Functional Devices RIB02SBDC Enclosed Relay, Class 2 Dry Contact input, 208-277 VAC power, 20A SPST + Override

Regular price $60.12 USD

Regular price Sale price $60.12 USD
Functional Devices RIB02BDC Enclosed Relay, Class 2 Dry Contact input, 208-277 VAC power, 20A SPDT

Functional Devices RIB02BDC Enclosed Relay, Class 2 Dry Contact input, 208-277 VAC power, 20A SPDT

Regular price $42.77 USD

Regular price Sale price $42.77 USD
Functional Devices RIB01SBDC-NC Enclosed Relay, Class 2 Dry Contact input, 120 VAC power, 20A SPST-NC + Override

Functional Devices RIB01SBDC-NC Enclosed Relay, Class 2 Dry Contact input, 120 VAC power, 20A SPST-NC + Override

Regular price $57.92 USD

Regular price Sale price $57.92 USD
Functional Devices RIB01SBDC Enclosed Relay, Class 2 Dry Contact input, 120 VAC power, 20A SPST + Override

Functional Devices RIB01SBDC Enclosed Relay, Class 2 Dry Contact input, 120 VAC power, 20A SPST + Override

Regular price $53.45 USD

Regular price Sale price $53.45 USD
Functional Devices RIB01P30 Enclosed Relay 30 Amp DPST 120 VAC

Functional Devices RIB01P30 Enclosed Relay 30 Amp DPST 120 VAC

Regular price $129.23 USD

Regular price Sale price $129.23 USD
Functional Devices RIB01P Enclosed Relay 20 Amp DPDT 120 VAC

Functional Devices RIB01P Enclosed Relay 20 Amp DPDT 120 VAC

Regular price $121.88 USD

Regular price Sale price $121.88 USD
Functional Devices RIB01BDC Enclosed Relay, Class 2 Dry Contact input, 120 VAC power, 20A SPDT

Functional Devices RIB01BDC Enclosed Relay, Class 2 Dry Contact input, 120 VAC power, 20A SPDT

Regular price $42.55 USD

Regular price Sale price $42.55 USD
Functional Devices PSH24DWB10 Enclosed 120 VAC - 24VDC/ 2.5A PS w/ 10A main breaker w/ wires

Functional Devices PSH24DWB10 Enclosed 120 VAC - 24VDC/ 2.5A PS w/ 10A main breaker w/ wires

Regular price $341.13 USD

Regular price Sale price $341.13 USD
Functional Devices PSH100AWB10 UL508 Enc Single 100VA 120 to 24 VAC UL Class 2 power supply sec wires 10A main breaker

Functional Devices PSH100AWB10 UL508 Enc Single 100VA 120 to 24 VAC UL Class 2 power supply sec wires 10A main breaker

Regular price $204.46 USD

Regular price Sale price $204.46 USD
Functional Devices PSH100AB10-DC DC Power Supply; Single Switching; 120 VAC to 24 VDC; 2.5 Amp; 10 Amp Main Breaker; Metal Enclosure

Functional Devices PSH100AB10-DC DC Power Supply; Single Switching; 120 VAC to 24 VDC; 2.5 Amp; 10 Amp Main Breaker; Metal Enclosure

Regular price $360.93 USD

Regular price Sale price $360.93 USD
Functional Devices PSH100A100AB10-DC DC Power Supply; Dual Switching; 120 VAC to 24 VAC and 120 VAC to 24 VDC; 2.5 Amp; 10 Amp Main Breaker; Metal Enclosure

Functional Devices PSH100A100AB10-DC DC Power Supply; Dual Switching; 120 VAC to 24 VAC and 120 VAC to 24 VDC; 2.5 Amp; 10 Amp Main Breaker; Metal Enclosure

Regular price $551.58 USD

Regular price Sale price $551.58 USD
Functional Devices PSH100A100AB10 Enclosed Dual 100VA 120 to 24 VAC UL class 2 power supply 10A main breaker

Functional Devices PSH100A100AB10 Enclosed Dual 100VA 120 to 24 VAC UL class 2 power supply 10A main breaker

Regular price $259.76 USD

Regular price Sale price $259.76 USD
Functional Devices PSH100A Enclosed Single 100VA 120 to 24 VAC UL Class 2 power supply

Functional Devices PSH100A Enclosed Single 100VA 120 to 24 VAC UL Class 2 power supply

Regular price $142.60 USD

Regular price Sale price $142.60 USD
Functional Devices CLC212-D15 Enclosed Light Controller Relay 10 Amp SPST, Separated Class 2 Dry Contact Input, 120-277 VAC Power, 15 Minute Delay.

Functional Devices CLC212-D15 Enclosed Light Controller Relay 10 Amp SPST, Separated Class 2 Dry Contact Input, 120-277 VAC Power, 15 Minute Delay.

Regular price $37.20 USD

Regular price Sale price $37.20 USD

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