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Functional Devices

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Product Image of Enclosed Pilot Relay, 10 Amp, SPDT w/ 10-30 Vac/DC/120 Vac Coil
$18.75 each
In Stock
Get 2,970 by Tue, Nov 10
In Stock
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Product Image of Enclosed Relay 20 Amp SPDT with 24 VAC/DC/120 VAC Coil
$29.15 each
In Stock
Get 196 by Tue, Nov 10
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Product Image of Enclosed Pilot Relay 10 Amp DPDT w/ 24 VAC/DC/120 VAC Coil
$31.10 each
In Stock
Get 241 by Tue, Nov 10
In Stock
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Product Image of Transformer, 50VA, 480/277/240/208/120 to 24 Vac, Circuit Breaker, Foot and Single Threaded Hub Mount
$39.15 each
In Stock
Get 102 by Tue, Nov 10
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Product Image of Transformer w/ Circuit Breaker, Foot & Single Threaded Hub Mount, 75VA, 480/240/208/120-24 Vac
$46.85 each
In Stock
Get 39 by Tue, Nov 10
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Product Image of Split Core, Adjustable Current Switch, 0.75-150 Amp, Terminal
$35.60 each
In Stock
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Product Image of Enclosed Self Powered Split Core, Fixed Current Sensor, .35-150 Amp, Wire Leads
$33.75 each
In Stock
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Product Image of Transformer w/ Circuit Breaker, Foot & Single Threaded Hub Mount, 75VA, 120 to 24 Vac
$41.95 each
In Stock
Get 129 by Tue, Nov 10
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Product Image of Enclosed Relay 10 Amp 2 SPDT & Override w/ 10-30 VAC/DC/120 Vac Coil
$41.00 each
In Stock
Get 70 by Tue, Nov 10
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Product Image of Enclosed Relay 20 Amp DPDT with 24 Vac/dc/120 Vac Coil
$67.65 each
In Stock
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Product Image of Enclosed Relay 10 Amp SPST & Override w/ 10-30 VAC/DC/120 VAC Coil
$39.45 each
In Stock
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Product Image of Enclosed Self Powered Solid Core, Fixed Current Sensor, .25-150 Amp, Terminal Strip
$21.40 each
In Stock
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Product Image of Enclosed Relay 20 Amp SPST & Override w/ 24 VAC/DC/120 VAC Coil
$42.70 each
In Stock
Get 93 by Tue, Nov 10
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Product Image of Transformer 96VA, 120 to 24 Vac, Circuit Breaker, DIN Rail Mount
$70.35 each
In Stock
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Product Image of Transformer, 50VA, 480/277/240/208 to 120 Vac, Circuit Breaker, Foot and Dual Threaded Hub Mount
$43.40 each
In Stock
Get 23 by Tue, Nov 10
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Product Image of Split Core, Adjustable Current Switch, 0.25-150 Amp, Terminal
$51.45 each
In Stock
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Product Image of Transformer w/ Circuit Breaker, Foot & Single Threaded Hub Mount, 100VA, 120-24 Vac
$43.35 each
In Stock
Get 63 by Tue, Nov 10
In Stock
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Product Image of Transformer, Circuit Breaker, Foot & Single Threaded Hub Mount, 50VA, 120 to 24 Vac
$33.05 each
In Stock
Get 118 by Tue, Nov 10
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Product Image of 35mm x 7.5mm x 1m Perforated DIN Rail
$8.75 each
In Stock
Get 59 by Tue, Nov 10
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Product Image of Transformer w/ Circuit Breaker, Foot & Dual Threaded Hub Mount, 100VA, 480/277/240/120-24 Vac
$53.60 each
In Stock
Get 20 by Tue, Nov 10
In Stock
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Product Image of Enclosed Relay 30 Amp DPDT with 24 Vac/dc Coil
$94.30 each
In Stock
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Product Image of Transformer, 20VA, 120 to 24 Vac, Foot and Single Threaded Hub Mount
$17.55 each
In Stock
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Product Image of Enclosed Dry Contact Input Relay - 20 Amp SPDT, Class 2 (120 VAC)
$40.35 each
In Stock
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Product Image of Transformer, 40 VA, 120 to 24 Vac, Foot and Single Threaded Hub Mount
$22.20 each
In Stock
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Product Image of Transformer, 40 VA, 277/240/208/120 to 24 Vac, Foot and Dual Threaded Hub Mount
$27.55 each
In Stock
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Product Image of Closet Light Controller Relay, 10 Amp, SPST-N/O, 120-277VAC, Isolated Class 2 Dry Contact Input, NEMA 1 Housing
$29.45 each
In Stock
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Product Image of Split Core, Fixed Current Switch, 0.35-150 Amp, Terminal
$30.50 each
In Stock
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Product Image of Enclosed Relay 20 Amp DPDT w/ 24 VAC/DC Coil
$81.85 each
In Stock
Get 2 by Wed, Nov 11
In Stock
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Product Image of Transformer w/ Circuit Breaker, Foot & Dual Threaded Hub Mount, 50VA, 480/277/240/120-24 Vac
$40.05 each
In Stock
Get 24 by Tue, Nov 10
In Stock
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Product Image of Recessed Magnetic Switch for Closet Light Controllers w/ 12 Wires, SPDT
$12.55 each
In Stock
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Product Image of Enclosed Relay 20 Amp SPDT with 24 Vac/dc/120 Vac/208-277 Vac Coil
$43.80 each
In Stock
Get 36 by Tue, Nov 10
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Product Image of Enclosed Dry Contact Input Relay - 10 Amp SPDT, Class 2 (120-277 VAC)
$29.10 each
In Stock
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Product Image of Enclosed Relay 20 Amp SPDT with 24 Vac/dc/208-277 Vac Coil
$34.00 each
In Stock
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In Stock
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Product Image of Enclosed Self Powered Split Core, Switching Current Sensor, .5-150 Amp, Wire Leads (120V)
$51.45 each
In Stock
Get 23 by Wed, Nov 11
In Stock
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Product Image of Enclosed Pilot Relay, 10 Amp, SPDT, 1/3 HP, 10-30 Vac/DC/208-277 Vac Coil
$24.65 each
In Stock
Get 36 by Tue, Nov 10
In Stock
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Product Image of Transformer w/ Circuit Breaker, Foot & Single Threaded Hub Mount, 150VA, 120 to 24 Vac
$67.20 each
In Stock
Get 60 by Tue, Nov 10
In Stock
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Product Image of Enclosed Self-Powered Solid Core AC Sensor, .25-150 Amp, Wire Leads
$24.20 each
In Stock
Get 17 by Tue, Nov 10
In Stock
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Product Image of Enclosed Pilot Relay, 10 Amp, SPDT w/ 10-30 Vac/DC/120 Vac Coil (Pack of 10)
$187.50 each
In Stock
Get 12 by Tue, Nov 10
In Stock
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Product Image of Enclosed TriVolt Relay, 10A SPDT w/ 24 Vac/DC or 120 Vac Coil, NEMA 1 Housing
$20.70 each
In Stock
Get 2 by Tue, Nov 10
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Product Image of Light Controller Relay, 10 Amp, SPST-N/C, 120-277VAC, Separated Class 2 Dry Contact Input, NEMA 1 Housing
$31.20 each
In Stock
Get 43 by Tue, Nov 10
In Stock
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Product Image of Closet Light Controller Relay, 5 Amp, N/O SPST, 120VAC, Separated Class 2 Magnetic Door Switch Input, NEMA 1 Housing
$41.90 each
In Stock
Get 24 by Tue, Nov 10
In Stock
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Product Image of Enclosed Pilot Relay, 10 Amp, SPDT, 1 HP, 24 Vac/DC/120-277 Vac Coil
$27.15 each
In Stock
Get 21 by Tue, Nov 10
In Stock
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Product Image of Enclosed Dry Contact Input Time Delay Relay 20 Amp SPDT, Class 2 (120 VAC)
$95.80 each
In Stock
Get 8 by Tue, Nov 10
In Stock
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Product Image of Transformer, 100 VA, 480/277/240/208 to 120 Vac, Circuit Breaker, Foot and Dual Threaded Hub Mount
$60.60 each
In Stock
Get 23 by Tue, Nov 10
In Stock
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Product Image of Enclosed Non-Isolated Linear DC Power Supply, Adjustable Output, 24 Vac to 1.5-28 Vdc
$49.10 each
In Stock
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Product Image of Enclosed Relay 30 Amp DPST with 120 VAC Coil
$119.45 each
In Stock
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Product Image of Transformer, 75 VA, 120 to 24 Vac, Circuit Breaker, Foot & Dual Threaded Hub Mount
$44.85 each
In Stock
Get 6 by Tue, Nov 10
In Stock
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Product Image of Enclosed Pilot Relay 10 Amp DPDT w/ 24 VAC/DC/208-277 VAC Coil
$36.70 each
In Stock
Get 15 by Tue, Nov 10
In Stock
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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.