Sensors Limit switches and sensors Category
We have 9,000+ sensor models in our stock for your next building automation project. Duct, pipe, indoor and outdoor sensors: Blackhawk Supply has it all! Shop today!
Pressure Sensors 
Duct Temperature Sensors 
Current Sensors 
Gas Sensors 
Outside Temperature Sensors 
Outside Humidity Sensors 
Duct Humidity Sensors 
Room Humidity Sensors 
Room Temperature Sensors 
Freezer Sensors 
Strap Sensors 
Light/LUX Sensors 
Bullet Sensors 
Level Transmitters for Sale 
Heating Sensors 
Air Quality 
Facility Monitoring 
Plumbing Sensors 
Water Leak Detection 
Accessories
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MS-BACEOL-0 | TERMINAL MODULE; RS485 EOL TERMINATOR MODULE | Johnson Controls
Brand: Johnson Controls
SKU: MS-BACEOL-0
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HE-68P3-0N000 | OA RH TEMP TRNSMTR 0-10V; OUTODOR RELATIVE HUMIDT TEMP DEW PT ENTHALPY WET BULB TRNSMTR 0-10V | Johnson Controls
Brand: Johnson Controls
SKU: HE-68P3-0N000
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9013GHG2J57X | Pressure Switch: 575 VAC 5HP G + Options | Square D by Schneider Electric
Brand: Square D
SKU: 9013GHG2J57X
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9036DR31 | Float switch, Pumptrol, open tank, NEMA 7 / 9, pedestal mounted, 2 NC DPST DB contacts | Telemecanique
Brand: Telemecanique
SKU: 9036DR31
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SC956A1C0 | 30mm Ultrasonic Sensor | Square D (OBSOLETE)
Brand: Square D
SKU: SC956A1C0
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9013GHG2J53X | Pressure Switch: 575 VAC 5HP G + Options | Square D by Schneider Electric
Brand: Square D
SKU: 9013GHG2J53X
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9012GAW6 | Pressure Switch: 480 VAC 10AMP G + Options | Square D by Schneider Electric
Brand: Square D
SKU: 9012GAW6
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9038CG32 | Mechanical alternator, Pumptrol, mech closed tank, NEMA 1, screw in bushing, 4 NC DPST DB contacts | Telemecanique
Brand: Telemecanique
SKU: 9038CG32
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9038CG36 | Mechanical alternator, Pumptrol, mech closed tank, NEMA 1, screw in bushing, 4 NC DPST DB contacts | Telemecanique
Brand: Telemecanique
SKU: 9038CG36
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XUK1ARCNL2 | Photoelectric sensors XU, XUK, reflex, Sn 7 m, 24...240VAC / DC, cable 2 m | Telemecanique
Brand: Telemecanique
SKU: XUK1ARCNL2
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XS8C4A1MPN12 | Inductive proximity sensors XS, inductive sensor XS8 40x40x117, PBT, Sn20 mm, 24...240VAC / DC, terminals | Telemecanique
Brand: Telemecanique
SKU: XS8C4A1MPN12
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9049A6C | Float kit, 9049, switch accessory brass rod | Telemecanique
Brand: Telemecanique
SKU: 9049A6C
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9038CG33 | Mechanical alternator, Pumptrol, mech closed tank, NEMA 1, screw in bushing, 4 NC DPST DB contacts | Telemecanique
Brand: Telemecanique
SKU: 9038CG33
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9038AG1N5 | Mechanical alternator, Pumptrol, mech open tank, NEMA 1, pedestal mounted, 4 NC DPST DB contacts | Telemecanique
Brand: Telemecanique
SKU: 9038AG1N5
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9013GHG2S31J21 | Pumptrol, pressure switch 480 VAC 10 A g special | Telemecanique
Brand: Telemecanique
SKU: 9013GHG2S31J21
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9013GHG2J63 | Pumptrol, pump or compressor switch 9013GH, adjustable diff., 145 175 PSI | Telemecanique
Brand: Telemecanique
SKU: 9013GHG2J63
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9012GBW21 | Pressure switch 9012G, adjustable scale, 2 thresholds, 13 to 425 PSIG | Telemecanique
Brand: Telemecanique
SKU: 9012GBW21
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9036DW31 | Float switch, Pumptrol, open tank, NEMA 4, pedestal mounted, 2 NC DPST DB contacts | Telemecanique
Brand: Telemecanique
SKU: 9036DW31
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XS8C4A1MPN12 | Inductive sensor XS8 40x40x117, PBT, Sn20 mm, 24..240VAC / DC, Terminals | Square D by Schneider Electric
Brand: Square D
SKU: XS8C4A1MPN12
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XMLP200PD230 | pressure switch XMLB 10 bar - adjustable scale 2 thresholds - 1 C / O | Square D by Schneider Electric
Brand: Square D
SKU: XMLP200PD230
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H971 | Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Veris
Brand: Veris
SKU: H971
RDY2000BN | BACnet Commercial Thermostat | Siemens
Brand: Siemens
SKU: RDY2000BN
iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)
Brand: iO HVAC Controls
SKU: iO-WR-XR