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Functional Devices

We are best known for our RIB (Relay in a Box®) brand product lines. We manufacture our products in the heartland of Indiana where every unit is tested before it leaves the production floor to ensure our customers get the product quality they have come to expect. RIB’s ease of installation, product performance and durability are why our customers enjoy confidence and peace of mind in every box with each RIB purchase.

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Picture of RELAYINBOX 20AMP 24/120V SPDT

RELAYINBOX 20AMP 24/120V SPDT

FUNCTIONAL DEV:RIB2401B
SKU: FUNCTIONAL DEV:RIB2401B
$33.73
Product Availability: Out of stock
Picture of ENCL SWITCH 20A 2 POS 2 WIRE

ENCL SWITCH 20A 2 POS 2 WIRE

FUNCTIONAL DEV:SIB05S-RD
SKU: FUNCTIONAL DEV:SIB05S-RD
$34.93
Product Availability: Out of stock
Picture of CURRENT SENSOR SPLIT CORE

CURRENT SENSOR SPLIT CORE

FUNCTIONAL DEV:RIBXGTF
SKU: FUNCTIONAL DEV:RIBXGTF
$35.89
Product Availability: Out of stock
Picture of ENCL SWITCH 20A 2 POS 3 WIRE

ENCL SWITCH 20A 2 POS 3 WIRE

FUNCTIONAL DEV:SIB04S-RD
SKU: FUNCTIONAL DEV:SIB04S-RD
$35.96
Product Availability: Out of stock
Picture of 24VAC/DC;120V 10A PILOTCTRLRLY

24VAC/DC;120V 10A PILOTCTRLRLY

FUNCTIONAL DEV:RIB2401D
SKU: FUNCTIONAL DEV:RIB2401D
$35.96
Product Availability: Out of stock
Picture of ENCL RELAY 10A SPDT 10-30VDC

ENCL RELAY 10A SPDT 10-30VDC

FUNCTIONAL DEV:RIBL1C-DC-RD
SKU: FUNCTIONAL DEV:RIBL1C-DC-RD
$36.04
Product Availability: Out of stock
Picture of ENCSOLIDCORETRANSDUCER 0-10AMP

ENCSOLIDCORETRANSDUCER 0-10AMP

FUNCTIONAL DEV:RIBXKTV5-10
SKU: FUNCTIONAL DEV:RIBXKTV5-10
$36.04
Product Availability: Out of stock
Picture of DIN RAIL RELAY 10AMP 10-30VDC

DIN RAIL RELAY 10AMP 10-30VDC

FUNCTIONAL DEV:RIBRL1C
SKU: FUNCTIONAL DEV:RIBRL1C
$36.15
Product Availability: Out of stock
Picture of 4.00 TRACKMOUNTPILOTRELAY 15A

4.00 TRACKMOUNTPILOTRELAY 15A

FUNCTIONAL DEV:RIBMH1C
SKU: FUNCTIONAL DEV:RIBMH1C
$36.28
Product Availability: Out of stock
Picture of TRANSFORMER 40VA, 120/208/240-24V CLASS II UL LISTED

TRANSFORMER 40VA, 120/208/240-24V CLASS II UL LISTED

FUNCTIONAL DEV:TR40VA015
SKU: FUNCTIONAL DEV:TR40VA015
$36.28
Product Availability: Out of stock
Picture of 277-24V 50VA FOOT&HUBMT XFRMR

277-24V 50VA FOOT&HUBMT XFRMR

FUNCTIONAL DEV:TR50VA006
SKU: FUNCTIONAL DEV:TR50VA006
$36.35
Product Availability: Out of stock
Picture of 0/20A SOLID CORE XDCR;0/5V OUT

0/20A SOLID CORE XDCR;0/5V OUT

FUNCTIONAL DEV:RIBXKTV5-20
SKU: FUNCTIONAL DEV:RIBXKTV5-20
$36.48
Product Availability: Out of stock
Picture of ENCSOLIDCORETRANSDUCER 0-50AMP

ENCSOLIDCORETRANSDUCER 0-50AMP

FUNCTIONAL DEV:RIBXKTV5-50
SKU: FUNCTIONAL DEV:RIBXKTV5-50
$36.48
Product Availability: Out of stock
Picture of 24V 15AMP SPST W/OVERRIDE

24V 15AMP SPST W/OVERRIDE

FUNCTIONAL DEV:RIBMN24S
SKU: FUNCTIONAL DEV:RIBMN24S
$36.48
Product Availability: Out of stock
Picture of RELAY 15A SPST 10-30V OR 120V

RELAY 15A SPST 10-30V OR 120V

FUNCTIONAL DEV:RIBMNU1S
SKU: FUNCTIONAL DEV:RIBMNU1S
$36.63
Product Availability: Out of stock
Picture of TRACKMNTPILOTRLY,SPDT,24VAC/DC

TRACKMNTPILOTRLY,SPDT,24VAC/DC

FUNCTIONAL DEV:RIBAN24C
SKU: FUNCTIONAL DEV:RIBAN24C
$36.79
Product Availability: Out of stock
Picture of ENCL RELAY 120-277V 10A SPDT

ENCL RELAY 120-277V 10A SPDT

FUNCTIONAL DEV:RIB21CDC-RD
SKU: FUNCTIONAL DEV:RIB21CDC-RD
$37.62
Product Availability: Out of stock
Picture of .50-150AMP ADJ CURRENT SENSOR

.50-150AMP ADJ CURRENT SENSOR

FUNCTIONAL DEV:RIBXKTA
SKU: FUNCTIONAL DEV:RIBXKTA
$38.12
Product Availability: Out of stock
Picture of XFRMR 40VA 120/208/240-24V

XFRMR 40VA 120/208/240-24V

FUNCTIONAL DEV:TR40VA040
SKU: FUNCTIONAL DEV:TR40VA040
$38.12
Product Availability: Out of stock
Picture of 24VAC/DC;120V 10A DPDT RELAY

24VAC/DC;120V 10A DPDT RELAY

FUNCTIONAL DEV:RIBMN2401D
SKU: FUNCTIONAL DEV:RIBMN2401D
$38.19
Product Availability: Out of stock
Picture of POWER SUPPLY ACCESORY

POWER SUPPLY ACCESORY

FUNCTIONAL DEV:PSMN01SB10
SKU: FUNCTIONAL DEV:PSMN01SB10
$38.19
Product Availability: Out of stock
Picture of POWER SUPPLY ACCESORY

POWER SUPPLY ACCESORY

FUNCTIONAL DEV:PSMN01SB4
SKU: FUNCTIONAL DEV:PSMN01SB4
$38.19
Product Availability: Out of stock
Picture of POWER SUPPLY ACCESORY

POWER SUPPLY ACCESORY

FUNCTIONAL DEV:PSMN24SB10
SKU: FUNCTIONAL DEV:PSMN24SB10
$38.19
Product Availability: Out of stock
Picture of PANEL RELAY 10A SPDT 12VAC/DC

PANEL RELAY 10A SPDT 12VAC/DC

FUNCTIONAL DEV:RIBAN12C
SKU: FUNCTIONAL DEV:RIBAN12C
$38.26
Product Availability: Out of stock
Picture of DIN RAIL RELAY 10AMP

DIN RAIL RELAY 10AMP

FUNCTIONAL DEV:RIBR24D
SKU: FUNCTIONAL DEV:RIBR24D
$38.31
Product Availability: Out of stock
Picture of POWER SUPPLY ACCESORY

POWER SUPPLY ACCESORY

FUNCTIONAL DEV:PSMN24SB4
SKU: FUNCTIONAL DEV:PSMN24SB4
$38.51
Product Availability: Out of stock
Picture of 10-30VAC/DC;208-277V 10A SPDT

10-30VAC/DC;208-277V 10A SPDT

FUNCTIONAL DEV:RIBH1C-RD
SKU: FUNCTIONAL DEV:RIBH1C-RD
$38.75
Product Availability: Out of stock
Picture of ENCLOSED RELAY 20AMP SPDT 24VAC/DC/208-277VAC

ENCLOSED RELAY 20AMP SPDT 24VAC/DC/208-277VAC

FUNCTIONAL DEV:RIB2402B
SKU: FUNCTIONAL DEV:RIB2402B
$39.34
Product Availability: Out of stock
Picture of PANEL RELAY 15A SPDT 12VAC/DC

PANEL RELAY 15A SPDT 12VAC/DC

FUNCTIONAL DEV:RIBMN12C-FA
SKU: FUNCTIONAL DEV:RIBMN12C-FA
$39.78
Product Availability: Out of stock
Picture of 30VAC/DC .35/150A SPST CURSNSR

30VAC/DC .35/150A SPST CURSNSR

FUNCTIONAL DEV:RIBXGF
SKU: FUNCTIONAL DEV:RIBXGF
$39.78
Product Availability: Out of stock