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Functional Devices

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Product Image of 200 VA Power Supply, 40VA x 5, Class 2 Outputs, 120 Vac - 24 Vac, Hi/Lo LVC, Exterior 120 Vac Receptacle & Circuit Breakers Switches, Metal Enclosure
$721.45 each
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Product Image of Enclosed Current Switch, Adjustable, 0.50-30A, NEMA 1 Housing
$47.10 each
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Product Image of Enclosed Relay 20 Amp DPDT with 347 Vac Coil
$142.01 each
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Product Image of Enclosed Self-Powered Solid Core Current Transformer with 333 mV Output (5A)
$24.83 each
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Product Image of 23.00" H x 11.75" W x 0.13" Polymetal Sub-Panel, For Use with MH3800
$139.45 each
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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
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Product Image of Switch, 2 Position Maintained, On/Off, 4A Circuit Breaker, 24 Vac, 2-3/4" Track Mount
$34.75 each
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Product Image of 40 VA Power Supply, 120 Vac to 24 Vac, 2-3/4" Track Mount
$52.80 each
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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 Enclosed Pilot Relay, 10A SPST-N/C + Override + Monitor, 10-30 Vac/dc/120 Vac Coil, NEMA 1 Housing
$50.30 each
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Product Image of Locking Key-Hook Latch Assembly for Use with MH3300K
$43.70 each
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Product Image of Enclosed Pilot Relay, 10A SPDT + Override, 10-30 Vac/dc/208-277 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$70.20 each
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Product Image of 16.875" H x 15.750" W x 0.130" Polymetal Sub-Panel, For Use with MH4400
$149.50 each
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Product Image of Current Transformer, Rope, Rogowski Coil, 70mV Output, 4000A, Wire Leads
$193.45 each
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Product Image of BACnet MS/TP Network Relay Device, 24 Vac/dc/120 Vac Power Input, NEMA 4X Housing w/ Gray Lid
$252.48 each
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Product Image of 23.00" H x 22.50" W x 0.13" Polymetal Sub-Panel, For Use with MH5500
$131.90 each
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Product Image of Enclosed Polarized Relay, 10A SPDT w/ 24 Vac/DC Coil, NEMA 4X Clear Housing
$34.25 each
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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 Enclosed Pilot Relay 10 Amp, SPST-N/O & Override & Monitor w/ 10-30 Vac/dc/208-277 Vac Coil
$68.55 each
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Product Image of 12-1/2" x 12-1/2" x 7" Metal Housing, NEMA 1 w/ Key Latch
$182.12 each
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Product Image of Enclosed Power Relay, 20A SPST + Override, 24 Vac/dc/208-277 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$63.25 each
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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
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Product Image of Enclosed Mechanically Latching Relay, 20A SPST + True Override w/ 12 Vac/DC Coil, Status LED, Auxiliary Output, NEMA 1 Housing
$165.65 each
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Product Image of 25" x 25" x 9-1/2" Metal Housing, NEMA 1 w/ SP5504L Sub-Panel
$674.45 each
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Product Image of 200 VA Power Supply, Five 40 VA Class 2 Outputs, (480/347/277/240/120 Vac to 24 Vac Enclosure)
$446.20 each
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Product Image of Enclosed Polarized Relay, 10A SPST-N/C + Override w/ 24 Vac/DC Coil, Red Housing
$40.10 each
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Product Image of BACnet MS/TP Network Relay Device, One Binary Output, Two Binary Inputs, 24 Vac/dc or 208-277 Vac Power Input, 2.75" Track Mount
$212.11 each
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Product Image of Current Switch and Relay Combination, 10 Amp SPST-N/O w/ Coil Side Override, 10-30 VAC/DC Coil , Adjustable, 0.25-10A
$154.00 each
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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 Enclosed Single 100 VA Power Supply with Subpanel (16.15" x 20.0" x 6.72" Enclosure)
$945.63 each
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Product Image of Enclosed Self-Powered Split Core Current Transformer with 333 mV Output (100A)
$103.67 each
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Product Image of Enclosed Relay 20 Amp SPST-N/C & Override with 24 Vac/dc/208-277 Vac/120 Vac Coil
$99.00 each
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Product Image of Single 100 VA Power Supply, Perforated Steel Subpanel Mounted, 12.5" x 24.5" x 6.5" Metal Enclosure
$643.10 each
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Product Image of 8-3/10" x 7-7/10" x 3-9/10" Metal Housing, NEMA 1 w/ 2-3/4" x 8" Mounting Track
8-3/10" x 7-7/10" x 3-9/10" Metal Housing, NEMA 1 w/ 2-3/4" x 8" Mounting Track
SKU: MH1220
Functional Devices
SKU: MH1220
$97.67 each
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Product Image of EnOcean 902 MHz Wireless Relay, Receiver / Repeater, 5A SPST-N/O, 208-277 Vac Power Input, NEMA 1 Housing
$174.00 each
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Product Image of EnOcean 902 MHz Wireless Relay, Transceiver / Repeater, 20A SPDT, 120-277 Vac Power Input, 0-10 Vdc Analog Output, NEMA 1 Housing
$259.83 each
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Product Image of Dual 75 VA, UL Class 2, 10 Amp Main Breaker, (120 to 24 Vac Enclosure)
$363.50 each
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Product Image of Dual 75 VA Power Supply, 120 to 24 Vac, UL Class 2, Secondary Wires, 10 Amp Main Breaker, Metal Enclosure
$406.20 each
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Product Image of 2.75" Track Mount Pilot Relay, 15 Amp SPST & Override, with 10-30 VAC/DC/120 VAC Coil
$42.65 each
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Product Image of 24-1/2" x 12-1/2" x 6-1/2" Metal Housing, NEMA 1 w/ SP3804L Sub-Panel, Blue Housing
$306.25 each
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Product Image of Enclosed Low Input/Optoisolated Relay, 20A DPDT, 24 Vac/dc Power Input, 5-25 Vac/dc Control Input, Hi/Lo Voltage Separation, NEMA 1 Housing
$153.15 each
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Product Image of Enclosed Dry Contact Input Relay - 20 Amp SPDT & Override, Class 2 (120 VAC)
$77.56 each
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Product Image of Pluggable Replacement Relays for RIBRL & RIBRX Series (Pack of 3)
$16.30 each
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Product Image of Current Switch and Relay Combination, 10A SPDT Relay, 10-30v Coil, Remote Solid Core, Fixed, 1.25-150A
$108.30 each
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Product Image of 18" x 18" x 7" Metal Housing, NEMA 1 w/ SP4404L Sub-Panel & Coin Latch
$371.90 each
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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
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Product Image of 12.5" H x 12.5" W x 7.0" D with SP3304 Sub-Panel Metal Enclosure, NEMA 1
$234.80 each
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Product Image of Enclosed Power Relay, Hi/Lo Separation, 20 Amp, Two SPST-N/O & One SPDT, with 24 VAC/DC VAC Coil
Enclosed Power Relay, Hi/Lo Separation, 20 Amp, Two SPST-N/O & One SPDT, with 24 VAC/DC VAC Coil
SKU: RIBT243B
Functional Devices
SKU: RIBT243B
$99.15 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.