Apply to be a TradeMaster!
Filter menu expanded

Filters

664 items
Reset

SORT

Product Availability

Show In Stock Only (222)

Product Type

Access Door (4)
Control Module (6)
Electrical Part (421)
Light Switch (1)
Relay (173)
Replacement Part (2)
Switching Relay (5)
Transformer (52)

Mount

Foot (38)
Hub (36)
Panel (2)
Remote (1)

Price Range

Under $1 (1)
$1 to $5 (10)
$5 to $10 (9)
$10 to $15 (8)
$15 to $20 (12)
$20 to $25 (27)
$25 to $30 (18)
$30 to $35 (30)
$35 to $40 (35)
$40 to $45 (43)

Functional Devices

Help Face
Need a little help?
664 items
Grid
List
Compare
Product Image of Enclosed Pilot Relay, 10 Amp, SPDT w/ 10-30 Vac/DC/120 Vac Coil
$18.75 each
In Stock
Get 1,738 by Thu, Jun 11
In Stock
Get 1,738 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 20 Amp SPDT with 24 VAC/DC/120 VAC Coil
$29.15 each
In Stock
Get 180 by Thu, Jun 11
In Stock
Get 180 by Thu, Jun 11
Compare
Product Image of Enclosed Pilot Relay 10 Amp DPDT w/ 24 VAC/DC/120 VAC Coil
$31.10 each
In Stock
Get 70 by Thu, Jun 11
In Stock
Get 70 by Thu, Jun 11
Compare
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 86 by Thu, Jun 11
In Stock
Get 86 by Thu, Jun 11
Compare
Product Image of Split Core, Adjustable Current Switch, 0.75-150 Amp, Terminal
$35.60 each
In Stock
Get 188 by Thu, Jun 11
In Stock
Get 188 by Thu, Jun 11
Compare
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 41 by Thu, Jun 11
In Stock
Get 41 by Thu, Jun 11
Compare
Product Image of Transformer w/ Circuit Breaker, Foot & Single Threaded Hub Mount, 75VA, 120 to 24 Vac
$41.95 each
In Stock
Get 167 by Thu, Jun 11
In Stock
Get 167 by Thu, Jun 11
Compare
Product Image of Enclosed Self Powered Split Core, Fixed Current Sensor, .35-150 Amp, Wire Leads
$33.75 each
In Stock
Get 73 by Thu, Jun 11
In Stock
Get 73 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 20 Amp DPDT with 24 Vac/dc/120 Vac Coil
$67.65 each
In Stock
Get 49 by Thu, Jun 11
In Stock
Get 49 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 10 Amp 2 SPDT & Override w/ 10-30 VAC/DC/120 Vac Coil
$41.00 each
In Stock
Get 149 by Thu, Jun 11
In Stock
Get 149 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 10 Amp SPST & Override w/ 10-30 VAC/DC/120 VAC Coil
$39.45 each
In Stock
Get 38 by Thu, Jun 11
In Stock
Get 38 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 20 Amp SPST & Override w/ 24 VAC/DC/120 VAC Coil
$42.70 each
In Stock
Get 66 by Thu, Jun 11
In Stock
Get 66 by Thu, Jun 11
Compare
Product Image of Enclosed Self Powered Solid Core, Fixed Current Sensor, .25-150 Amp, Terminal Strip
$21.40 each
In Stock
Get 136 by Thu, Jun 11
In Stock
Get 136 by Thu, Jun 11
Compare
Product Image of Transformer 96VA, 120 to 24 Vac, Circuit Breaker, DIN Rail Mount
$70.35 each
In Stock
Get 34 by Thu, Jun 11
In Stock
Get 34 by Thu, Jun 11
Compare
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 61 by Thu, Jun 11
In Stock
Get 61 by Thu, Jun 11
Compare
Product Image of 35mm x 7.5mm x 1m Perforated DIN Rail
$8.75 each
In Stock
Get 14 by Thu, Jun 11
In Stock
Get 14 by Thu, Jun 11
Compare
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 41 by Thu, Jun 11
In Stock
Get 41 by Thu, Jun 11
Compare
Product Image of Transformer w/ Circuit Breaker, Foot & Single Threaded Hub Mount, 100VA, 120-24 Vac
$43.35 each
In Stock
Get 17 by Thu, Jun 11
In Stock
Get 17 by Thu, Jun 11
Compare
Product Image of Split Core, Adjustable Current Switch, 0.25-150 Amp, Terminal
$51.45 each
In Stock
Get 51 by Thu, Jun 11
In Stock
Get 51 by Thu, Jun 11
Compare
Product Image of Transformer, Circuit Breaker, Foot & Single Threaded Hub Mount, 50VA, 120 to 24 Vac
$34.37 each
In Stock
Get 182 by Thu, Jun 11
In Stock
Get 182 by Thu, Jun 11
Compare
Product Image of Transformer, 20VA, 120 to 24 Vac, Foot and Single Threaded Hub Mount
$17.55 each
In Stock
Get 49 by Thu, Jun 11
In Stock
Get 49 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 30 Amp DPDT with 24 Vac/dc Coil
$94.30 each
In Stock
Get 66 by Thu, Jun 11
In Stock
Get 66 by Thu, Jun 11
Compare
Product Image of Transformer, 40 VA, 277/240/208/120 to 24 Vac, Foot and Dual Threaded Hub Mount
$27.55 each
In Stock
Get 96 by Thu, Jun 11
In Stock
Get 96 by Thu, Jun 11
Compare
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 17 by Thu, Jun 11
In Stock
Get 17 by Thu, Jun 11
Compare
Product Image of Transformer, 40 VA, 120 to 24 Vac, Foot and Single Threaded Hub Mount
$22.20 each
In Stock
Get 36 by Thu, Jun 11
In Stock
Get 36 by Thu, Jun 11
Compare
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 25 by Thu, Jun 11
In Stock
Get 25 by Thu, Jun 11
Compare
Product Image of Enclosed Self-Powered Solid Core AC Sensor, .25-150 Amp, Wire Leads
$24.20 each
In Stock
Get 46 by Thu, Jun 11
In Stock
Get 46 by Thu, Jun 11
Compare
Product Image of Split Core, Fixed Current Switch, 0.35-150 Amp, Terminal
$30.50 each
In Stock
Get 121 by Thu, Jun 11
In Stock
Get 121 by Thu, Jun 11
Compare
Product Image of Transformer w/ Circuit Breaker, Foot & Single Threaded Hub Mount, 150VA, 120 to 24 Vac
$67.20 each
In Stock
Get 21 by Thu, Jun 11
In Stock
Get 21 by Thu, Jun 11
Compare
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
Get 73 by Thu, Jun 11
In Stock
Get 73 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 20 Amp SPDT with 24 Vac/dc/120 Vac/208-277 Vac Coil
$43.80 each
In Stock
Get 17 by Thu, Jun 11
In Stock
Get 17 by Thu, Jun 11
Compare
Product Image of Enclosed Dry Contact Input Relay - 20 Amp SPDT, Class 2 (120 VAC)
$40.35 each
In Stock
Get 21 by Thu, Jun 11
In Stock
Get 21 by Thu, Jun 11
Compare
Product Image of Enclosed Pilot Relay, 10 Amp, SPDT, 1 HP, 24 Vac/DC/120-277 Vac Coil
$27.15 each
In Stock
Get 9 by Thu, Jun 11
In Stock
Get 9 by Thu, Jun 11
Compare
Product Image of Enclosed Relay 20 Amp DPDT w/ 24 VAC/DC Coil
$81.85 each
In Stock
Get 27 by Thu, Jun 11
In Stock
Get 27 by Thu, Jun 11
Compare
Product Image of Recessed Magnetic Switch for Closet Light Controllers w/ 12 Wires, SPDT
$12.55 each
In Stock
Get 30 by Thu, Jun 11
In Stock
Get 30 by Thu, Jun 11
Compare
Product Image of Enclosed Dry Contact Input Relay - 10 Amp SPDT, Class 2 (120-277 VAC)
$29.10 each
In Stock
Get 19 by Thu, Jun 11
In Stock
Get 19 by Thu, Jun 11
Compare
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 78 by Fri, Jun 12
In Stock
Get 78 by Fri, Jun 12
Compare
Product Image of Enclosed Self Powered Split Core, Switching Current Sensor, .5-150 Amp, Wire Leads (120V)
$51.79 each
In Stock
Get 15 by Thu, Jun 11
In Stock
Get 15 by Thu, Jun 11
Compare
Product Image of Transformer, 100 VA, 480/277/240/208 to 120 Vac, Circuit Breaker, Foot and Dual Threaded Hub Mount
$60.60 each
Out of Stock
Get it by Wed, Jun 24 - Wed, Jul 1
Out of Stock
Get it by Wed, Jun 24 - Wed, Jul 1
Compare
Product Image of Enclosed Relay 20 Amp SPDT with 24 Vac/dc/208-277 Vac Coil
$34.00 each
In Stock
Get 21 by Thu, Jun 11
In Stock
Get 21 by Thu, Jun 11
Compare
Product Image of Enclosed Pilot Relay, 10 Amp, SPDT, 1/3 HP, 10-30 Vac/DC/208-277 Vac Coil
$25.52 each
In Stock
Get 81 by Thu, Jun 11
In Stock
Get 81 by Thu, Jun 11
Compare
Product Image of Enclosed Non-Isolated Linear DC Power Supply, Adjustable Output, 24 Vac to 1.5-28 Vdc
$49.10 each
In Stock
Get 12 by Thu, Jun 11
In Stock
Get 12 by Thu, Jun 11
Compare
Product Image of Enclosed Dry Contact Input Time Delay Relay 20 Amp SPDT, Class 2 (120 VAC)
$95.80 each
In Stock
Get 7 by Thu, Jun 11
In Stock
Get 7 by Thu, Jun 11
Compare
Product Image of Transformer, Foot & Single Threaded Hub Mount, 50VA, 120 to 24 Vac
$24.30 each
In Stock
Get 50 by Thu, Jun 11
In Stock
Get 50 by Thu, Jun 11
Compare
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 5 by Thu, Jun 11
In Stock
Get 5 by Thu, Jun 11
Compare
Product Image of Enclosed Pilot Relay 10 Amp DPDT w/ 24 VAC/DC/208-277 VAC Coil
$36.70 each
In Stock
Get 43 by Thu, Jun 11
In Stock
Get 43 by Thu, Jun 11
Compare
Product Image of Transformer, 40 VA, 480/277/240/208 to 120 Vac, Circuit Breaker, Foot and Single Threaded Hub Mount
$40.25 each
In Stock
Get 45 by Thu, Jun 11
In Stock
Get 45 by Thu, Jun 11
Compare
Product Image of Closet Light Controller Relay, 5 Amp, N/O SPST, 120VAC, Separated Class 2 Magnetic Door Switch Input, NEMA 1 Housing
Closet Light Controller Relay, 5 Amp, N/O SPST, 120VAC, Separated Class 2 Magnetic Door Switch Input, NEMA 1 Housing
SKU: CLC106
Functional Devices
SKU: CLC106
$41.90 each
In Stock
Get 8 by Thu, Jun 11
In Stock
Get 8 by Thu, Jun 11
Resources
FAQs, Manuals & Videos
Articles
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.