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Access Door (4)
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Functional Devices

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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
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Product Image of Enclosed Mechanically Latching Relay, 20A SPST w/ 24 Vac/DC Coil, Status LED, Auxiliary Output, NEMA 1 Housing
$138.60 each
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Product Image of Metal Locking Key Latch Assembly for Use with All Metal Enclosures Except MH3300K
$62.65 each
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Product Image of Current Transformer Integrator, Rogowski Coil, 1 Phase, 333mV Output, 70mV, DIN Rail Mount
$234.85 each
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Product Image of Pilot Panel Relay, 15A SPST-N/C + Override w/ 10-30 Vac/DC/120 Vac Coil, 4" Track Mount
$44.75 each
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Product Image of Enclosed Pilot Relays, 10A 2 SPDT, 10-30 Vac/dc/208-277 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$73.80 each
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Product Image of Enclosed AHU Fan Safety Alarm Circuit Logic Board, 24 Vac/DC Power Input, NEMA 1 Housing
$215.10 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
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Product Image of Current Transformer, Rope, Rogowski Coil, 70mV Output, 6000A, Wire Leads
$270.80 each
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Product Image of Enclosed Power Relay, 20A SPST + Override, 24 Vac/dc/120 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$60.10 each
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Product Image of Dual 100 VA Power Supply, Polymetal Subpanel Mounted, 12.5" x 24.5" x 6.5" Metal Enclosure
$707.20 each
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Product Image of 8.3" H x 7.7" W x 3.9" D Metal Enclosure, NEMA 1
$83.25 each
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Product Image of 24.5" H x 12.5" W x 6.5" D Metal Enclosure with SP3803S Sub-Panel, NEMA 1
$237.00 each
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Product Image of Current Switch and Relay Combination, 10A SPDT Relay, 10-30v Coil, Remote Split Core, Adj, 3-150A
$171.45 each
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Product Image of UPS Power Control Center Interface Board, Status Contacts, 2.75" Track Mount in 12" x 14" x 6" Metal Enclosure
$304.50 each
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Product Image of Enclosed Power Relay 30A DPST-N/C w/ 208-277 Vac Coil, NEMA 1 Housing
$130.80 each
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Product Image of BACnet MS/TP Network Relay Device, 24Vac/dc/208-277Vac Power Input, NEMA 1 Housing
$220.36 each
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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
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Product Image of Enclosed Polarized Relay, 10A SPDT w/ 24 Vac/DC Coil, Red Housing
$24.90 each
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Product Image of Enclosed 100VA Power Supply, 120 Vac to 24 Vac, & 120 to 24 Vdc at 2.5 Amp
$469.40 each
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Product Image of Enclosed Relay 30 Amp DPDT with 12 Vac/dc Coil
$205.75 each
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Product Image of Power Panel Relay, 30A 3PDT w/ 120 Vac Coil, 4" Track Mount
$102.30 each
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Product Image of 24-1/2" x 12-1/2" x 6-1/2" Metal Housing, NEMA 1 w/ 4" x 18" Mounting Track
$264.90 each
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Product Image of Current Switch and Relay Combination, 20 Amp SPST + Override, 24 Vac/dc Coil, Fixed, 0.50-20 Amp
$114.60 each
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Product Image of Enclosed Pilot Relay, 10A SPDT, 10-30 Vac/dc/208-277 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing
$49.50 each
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Product Image of 14-1/2" x 7-7/10" x 3-9/10" Metal Housing, NEMA 1 w/ 4" x 12" Mounting Track
$104.40 each
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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
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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
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Product Image of Current Switch and Relay Combination, 10 Amp SPST-N/O, 10-30 VAC/DC Coil, Fixed, 0.25-10A
$116.25 each
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Product Image of Transformer, 375 VA, 120 to 24 Vac, Foot Mount, Dual Bottom Openings
$152.15 each
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Product Image of Enclosed Self-Powered Split Core Current Transformer with 333 mV Output (5A)
$79.82 each
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Product Image of AHU Fan Safety Alarm & General Purpose Logic Circuit, 24 Vac/dc Power Input, 6 Alarm Inputs w N/O Outputs, 2.75" Track Mount
$154.26 each
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Product Image of 36" x 25" x 9-1/2" Metal Housing, NEMA 1 w/ SP5804L Sub-Panel & Coin Latch
$936.15 each
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Product Image of 4" Track Mount Power Relay, 30 Amp DPDT, with 24 VAC/DC Coil
$88.75 each
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Product Image of Panel I/O Expander, 4 Outputs, 24 Vac/dc Power Input, 0-10 Vdc / 0-5 Vdc Control Input, 2-3/4" Track Mount
$142.10 each
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Product Image of Enclosed Pilot Relay, 10A SPDT-N/C + Override + Monitor w/ 10-30 Vac/DC/208-277 Vac Coil, NEMA 1 Housing
$57.05 each
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Product Image of 12.5" H x 12.5" W x 7.0" D with SP3303 Sub-Panel Metal Enclosure, D with SP3303 Sub-Panel, NEMA 1
$169.30 each
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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
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Product Image of Enclosed Polarized/Alarm Relay 10 Amp SPDT w/ 12 Vac/dc Coil
$66.97 each
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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
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Product Image of Power Control Center, 4A Switch / Circuit Breaker, 120 Vac, 2 Outlets, Wires, NEMA 1 Housing
$53.45 each
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Product Image of Enclosed Power Relay 30A DPST-N/C w/ 120 Vac Coil, NEMA 1 Housing
$126.90 each
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Product Image of Current Switch and Relay Combination, 20 Amp SPST + Override, 24Vac/dc Coil, Analog, 0-5 Vdc/0-10 Vdc Output
$73.90 each
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Product Image of Enclosed Pilot Relay 10 Amp, SPDT w/ 10-30 Vdc Limited Inrush Coil
$30.87 each
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Product Image of 4" Track Mount Power Relay, 20 Amp SPDT & Override, with 24 VAC/DC/120 VAC Coil
$56.50 each
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Product Image of 4" Panel Switch 24 Vac w/ LED Indicators
$23.65 each
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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
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Product Image of 25" x 25" x 9-1/2" Metal Housing, NEMA 1 w/ SP5504L Sub-Panel & Coin Latch
25" x 25" x 9-1/2" Metal Housing, NEMA 1 w/ SP5504L Sub-Panel & Coin Latch
SKU: MH5504L-L4
Functional Devices
SKU: MH5504L-L4
$699.48 each
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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.