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Functional Devices

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Product Image of Pilot Panel Relay, 15A SPDT w/ 10-30 Vac/DC/208-277 Vac Coil, 4" Track Mount
$31.95 each
In Stock
Get 11 by Fri, Nov 13
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Product Image of 4" Track Mount Power Relay, 30 Amp DPST-N/O, with 24 VAC/DC Coil
$85.85 each
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Product Image of Pilot Panel Relay, 15A 2 SPDT w/ 10-30 Vac/DC/208-277 Vac Coil, 4" Track Mount
$60.95 each
Out of Stock
Get it by Tue, Nov 24 - Wed, Dec 2
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Product Image of Pilot Panel Relay, 15A SPST + Override + Monitor w/ 10-30 Vac/DC/208-277 Vac Coil, 2-3/4" Track Mount
$48.05 each
Out of Stock
Get it by Tue, Nov 24 - Wed, Dec 2
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Product Image of MODbus RTU Network Relay Device w/ Binary Outputs & Binary/Analog Inputs, 24 Vac/dc Power Input, 2.75" Track Mount
$197.15 each
Out of Stock
Get it by Tue, Nov 24 - Wed, Dec 2
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Product Image of Enclosed Power Relay, 20A SPDT + Override, 24 Vac/dc/208-277 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$85.50 each
Out of Stock
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Product Image of Enclosed Pilot Relay, Hi/Lo Voltage Separation, 10 Amp SPST & Override, with 10-30 VAC/DC/120 VAC Coil
$54.00 each
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Product Image of BACnet MS/TP Network Relay Device w/ Binary Output Set Point, One Binary Output + Override, 24 Vac/dc Power Input, NEMA 4 Housing
$254.80 each
Out of Stock
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Product Image of Enclosed Pilot Relay, 10 Amp SPDT, with 10-30 VAC/DC/120 VAC Coil - 100 Pack
$1,875.00 each
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Product Image of Enclosed Power Relay 30A DPST-N/C + Coil Side Override w/ 120 Vac Coil, NEMA 1 Housing
$165.80 each
Out of Stock
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Product Image of Enclosed Polarized Relay, 10A SPDT w/ 12 Vac/DC Coil, NEMA 4X Clear Housing
$35.80 each
Out of Stock
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Product Image of Enclosed Polarized Relay, 10A SPDT w/ 24 Vac/DC Coil, Red Housing
Enclosed Polarized Relay, 10A SPDT w/ 24 Vac/DC Coil, Red Housing
SKU: RIB24C-FA-RD
Functional Devices
SKU: RIB24C-FA-RD
$24.90 each
Out of Stock
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Product Image of Enclosed Pilot Relay, 10A SPDT w/ 10-30 Vac/DC/208-277 Vac Coil, Red Housing
Enclosed Pilot Relay, 10A SPDT w/ 10-30 Vac/DC/208-277 Vac Coil, Red Housing
SKU: RIBH1C-RD
Functional Devices
SKU: RIBH1C-RD
$37.15 each
In Stock
Get 7 by Tue, Nov 10
In Stock
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Product Image of Enclosed Pilot Relay, 10A SPST-N/C + Override w/ 10-30 Vac/DC/208-277 Vac Coil, NEMA 1 Housing
$53.90 each
Out of Stock
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Product Image of Enclosed Pilot Relay, 10A SPDT w/ 10-30 VDC Limited Inrush Coil, Red Housing
$31.70 each
Out of Stock
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Product Image of Enclosed AHU Fan Safety Alarm Circuit Logic Board, 24 Vac/DC Power Input, 6 Alarm Inputs w/ N/C Outputs, NEMA 1 Housing
$153.25 each
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Product Image of Dry Contact Panel Relay, 30A DPDT, Class 2 Dry Contact Input, 120 Vac Input, 4" Track Mount
$104.30 each
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Product Image of Pilot Panel Relay, 15A SPDT + Override w/ 12 Vac/DC Coil, 4" Track Mount
$29.15 each
Out of Stock
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Product Image of Pilot Panel Relay, 15A SPST + Override + Monitor w/ 10-30 Vac/DC/208-277 Vac Coil, 4" Track Mount
$37.85 each
Out of Stock
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Product Image of Pilot Panel Relay, 15A SPST + Override + Monitor w/ 10-30 Vac/DC/120 Vac Coil, 2-3/4" Track Mount
$51.70 each
Out of Stock
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Product Image of BACnet MS/TP Network Input Device, Twelve Binary Inputs (Voltage or Dry Contacts), Accumulators, 2.75" Track Mount
$302.19 each
Out of Stock
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Out of Stock
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Product Image of Power Meter Kit, 120-277 Vac, 3-Phase, Disconnect Switch, Fuses and Fuse Holder
$994.50 each
Out of Stock
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Product Image of Enclosed Power Relay, 20A SPDT + Override, 24 Vac/dc/120 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$76.70 each
Out of Stock
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Product Image of Enclosed Low Input/Optoisolated Relay, 20A DPDT, 120 Vac/dc Power Input, 5-25 Vac/dc Control Input, Hi/Lo Voltage Separation, NEMA 1 Housing
$143.40 each
Out of Stock
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Product Image of Current Switch & Relay Combination, 20A 3PST-N/O, 24Vac/dc Coil, Internal Fixed, 0.5-20A, NEMA 1 Housing
$170.70 each
Out of Stock
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Product Image of Current Switch and Relay Combination, 10A, SPDT Relay w/ 10-30v Coil, Adj, 0.5-10A
$80.20 each
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Product Image of Enclosed Current Switch, Adjustable, 0.50-30A, NEMA 1 Housing
$47.10 each
Out of Stock
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Out of Stock
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Product Image of Current Switch and Relay Combination, 10A SPDT Relay w/ 10-30v Coil, Remote Split Core, Fixed, 3-150A
$115.40 each
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Product Image of Switch, 5A, 30 Vac/dc, 3 Position Maintained, On/Off/On, LED Indicator, Red Housing
$22.45 each
Out of Stock
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Product Image of Enclosed Mechanically Latching Relay, 20A SPST w/ 24 Vac/DC Coil, Red Housing
$80.05 each
Out of Stock
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Out of Stock
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Product Image of Enclosed Pilot Relay, 10A 3 SPST-N/C + 1 SPDT w/ 10-30 Vac/DC Coil, NEMA 1 Housing
$106.80 each
Out of Stock
Get it by Tue, Nov 24 - Wed, Dec 2
Out of Stock
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Product Image of Power Panel Relay, 20A SPDT + Override w/ 24 Vac/DC/208-277 Vac Coil, 4" Track Mount
$67.10 each
Out of Stock
Get it by Tue, Nov 24 - Wed, Dec 2
Out of Stock
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Product Image of 2.75" Track Mount Pilot Relay 15 Amp SPST & Override, Polarized w/ 12 VAC/DC Coil
$36.10 each
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Product Image of 2.75" Track Mount Relay 15 Amp SPDT, Polarized w/ 24 VAC/DC Coil
$60.21 each
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Product Image of Pilot Panel Relay, 15A SPDT w/ 10-30 Vac/DC/208-277 Vac Coil, 2-3/4" Track Mount
$35.30 each
Out of Stock
Get it by Tue, Nov 24 - Wed, Dec 2
Out of Stock
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Product Image of Current Switch & Relay Combination, 20A SPST + Override, 24Vac/dc Coil, Fixed, .50-20A, 4" Track Mount
$87.95 each
Out of Stock
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Product Image of Enclosed Power Relay, 20A SPST + Override, 24 Vac/dc Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$48.35 each
Out of Stock
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Out of Stock
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Product Image of Enclosed Low Input/Optoisolated Relay, 20A SPDT, 208-277 Vac Power Input, 5-25 Vac/dc Control Input, Hi/Lo Voltage Separation, NEMA 1 Housing
$65.75 each
Out of Stock
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Out of Stock
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Product Image of Enclosed Low Input/Optoisolated Relay, 10A SPST + Override, 10-30 Vac/dc Power Input, 5-25 Vac/dc Control Input, Hi/Lo Voltage Separation, NEMA 1 Housing
$67.50 each
Out of Stock
Get it by Tue, Nov 24 - Wed, Dec 2
Out of Stock
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Product Image of BACnet MS/TP Network Relay Device, 24 Vac/dc/120 Vac Power Input, NEMA 1 Housing w/ Gray Lid
$209.95 each
Out of Stock
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Out of Stock
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Product Image of Current Switch and Relay Combination, 5A SPDT Relay w/ 10-30v Coil, Adj, 0.125-5A
$117.75 each
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Product Image of Current Switch and Relay Combination, 5A SPST + Override, 10-30v Coil, Adj, 0.125-5A
$145.55 each
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Product Image of DIN Rail Mount DC Power Supply Class 2 Relay Contact, Single Switching & Screw Terminals, 100-240 Vac to 24-28 Vdc, 10 Amp
$225.65 each
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Product Image of Transformer, 20VA, 24 to 24 Vac, Foot and Single Threaded Hub Mount
$21.75 each
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Product Image of 16.875" H x 15.750" W x 0.25" Perforated Steel Sub-Panel, For Use with MH4400
$180.95 each
Out of Stock
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Product Image of 23.00" H x 22.50" W x 0.25" Perforated Steel Sub-Panel, For Use with MH5500
$264.50 each
Out of Stock
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Product Image of 34.00" H x 22.50" W x 0.13" Polymetal Sub-Panel, For Use with MH5800
$170.70 each
Out of Stock
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Product Image of Switch, 20A, 2 Position Maintained, On/Off, 2 Wires, NEMA 1 Housing
$21.80 each
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More About Functional Devices
Functional Devices, Inc. has been designing and manufacturing quality electronic devices in the USA since 1969. Current product offerings include relays, current sensors, power control, enclosures, power supplies, transformers, and accessories. Functional Devices has established itself as a leader in the HVAC, Building Controls, Energy Management, Energy Savings, Lighting Controls, and Wireless industries.