Current Sensors & Switches

Current Sensors & Switches monitor electrical flow to protect equipment and ensure safe operation in HVAC and electrical systems. These devices detect current levels and automatically switch circuits on or off when preset thresholds are reached. Jackson Systems stocks AC and DC current sensors in multiple amperage ranges – shop our complete selection today.

Filter

Brand

Voltage

Brand

Voltage

Showing 385–432 of 441 resultsSorted by popularity

Pneumatic dual valve transducer, 0–5VDC input, 0–15 PSI output

ACI

SKU: 127213
$286.34
MSRP: $329.29
You save 15%
ACI 127213 Pneumatic Dual Valve Transducer 0-5VDC In / 0-15 PSI Out quantity
0-5VDC to 0-15 PSI dual valve pneumatic transducer

ACI

SKU: 127211
$372.51
MSRP: $428.39
You save 15%
ACI 127211 0-5VDC Input 0-15 PSI Output Dual Valve Pneumatic Transducer quantity
PWM, analog & float input to 0–135 Ohm output signal converter

ACI

SKU: 127200
$273.51
MSRP: $314.54
You save 15%
ACI 127200 PWM/Analog/Float Input to 0-135 Ohm Output Signal Converter quantity
Multi-output temp transmitter with 0-5V, 0-10V & 4-20mA, 10k thermistor

ACI

SKU: 125582
$213.99
MSRP: $246.09
You save 15%
Read more
Multi-output duct enclosure transmitter with 0-5V, 0-10VDC & 4-20mA signals

ACI

SKU: 122921
$195.99
MSRP: $225.39
You save 15%
ACI 122921 0-5/0-10VDC & 4-20mA Duct Enclosure Transmitter quantity
Multi-output temperature transmitter with 10k thermistor input

ACI

SKU: 122880
$188.75
MSRP: $217.06
You save 13%
ACI 122880 Temperature Transmitter 0-5/0-10VDC & 4-20mA 10k Thermistor quantity
Multi-output duct transmitter with 0-5V, 0-10V & 4-20mA signals

ACI

SKU: 122687
$221.39
MSRP: $254.60
You save 13%
Read more
Multi-output temp transmitter with 0-5V, 0-10V & 4-20mA, 10k thermistor

ACI

SKU: 122669
$225.35
MSRP: $259.15
You save 15%
ACI 122669 Multi-Output Temperature Transmitter 0-5/0-10VDC/4-20mA 10k Thermistor quantity
Multi-output 10k thermistor temperature transmitter/sensor

ACI

SKU: 122661
$228.88
MSRP: $263.21
You save 15%
ACI 122661 Multi-Output 10k Thermistor Temperature Transmitter quantity
Split core current switch, normally open, 0.70–150A range

ACI

SKU: 117855
$59.50
MSRP: $68.43
You save 15%
ACI 117855 Split Core Current Switch, Normally Open, 0.70–150A quantity
Split core, normally open current switch, 0–150A range

ACI

SKU: 117853
$44.75
MSRP: $51.46
You save 15%
ACI 117853 Split Core Normally Open Current Switch, 0–150A quantity
PWM In/Out Dual Valve Pressure Transducer, 0-15 PSI Range

ACI

SKU: 106333
$364.49
MSRP: $419.16
You save 15%
ACI 106333 PWM In/Out 0-15 PSI Dual Valve Pressure Transducer quantity
0-5VDC to 0-10 PSI dual valve pneumatic transducer

ACI

SKU: 102479
$333.96
MSRP: $384.05
You save 15%
ACI 102479 0-5VDC Input 0-10PSI Output Dual Valve Pneumatic Transducer quantity
Dual valve I/P transducer, 0-5VDC input, 0-10 PSI pneumatic output

ACI

SKU: 102477
$338.15
MSRP: $388.87
You save 13%
ACI 102477 0-5VDC Input 0-10 PSI Output Dual Valve I/P Transducer quantity
PWM, analog & float input to resistance output signal converter

ACI

SKU: 102469
$283.69
MSRP: $326.24
You save 15%
ACI 102469 PWM / Analog / Float Input to Resistance Output Signal Converter quantity
Floating point input to analog output transducer, 5/15/30/90 ranges

ACI

SKU: 102093
$165.79
MSRP: $190.66
You save 13%
ACI 102093 Floating Point Input Analog Output Transducer 5/15/30/90 quantity
Current relay kit for compressor overcurrent protection

Copeland

SKU: 940-C411-72
$70.99
MSRP: $81.64
You save 15%
Copeland 940-C411-72 Current Relay Kit quantity
Low-pressure transducer, 0–15 PSI range, 4–20mA analog output

Fireye

SKU: BLPS-15
$649.60
MSRP: $747.04
You save 15%
Fireye BLPS-15 Pressure Transducer 0–15 PSI 4–20mA Output quantity
Steam Pressure Sensor, 0–200 PSI Range, 4-20mA Output Signal

Fireye

SKU: PXMS-200K
$1,417.26
MSRP: $1,629.85
You save 15%
Fireye PXMS-200K Steam Pressure Sensor 0–200 PSI 4-20mA Transmitter quantity
Industrial pressure transducer, 0–30 PSI range with 4–20mA output signal

Fireye

SKU: BLPS-30
$541.19
MSRP: $675.56
You save 20%
Fireye BLPS-30 Pressure Transducer – 0–30 PSI 4–20mA Burner Control quantity
Pressure Transducer, 0–300 PSI, 1/4″ NPT, 4–20 mA Linear Output

Fireye

SKU: BLPS-300
$620.96
MSRP: $714.10
You save 15%
Fireye BLPS-300 Pressure Transducer 0–300 PSI 1/4" NPT 4–20 mA quantity
Solid-state pressure transducer with 4–20 mA output, 0–200 PSI range

Fireye

SKU: BLPS-200
$550.41
MSRP: $632.97
You save 13%
Fireye BLPS-200 Pressure Transducer 0–200 PSI quantity
Wet Differential Pressure Transducer, 0–100 in. WC, 10 ft Cable

Veris

SKU: PWRLX04S010
$643.46
MSRP: $739.98
You save 15%
Read more
Differential Air Pressure Transducer

Veris

SKU: PW2LX05BP
$827.28
MSRP: $951.37
You save 15%
Veris Industries PW2LX05BP Differential Air Pressure Transducer quantity
Current Transducer, 3–15A Input, 0–20 mA Output

Veris

SKU: EP2121S
$272.46
MSRP: $313.33
You save 15%
Veris Industries EP2121S Current Transducer, 3–15A Input, 0–20 mA Output quantity
Wet Differential Pressure Transducer with 20 ft Cable (0–250 in. WC)

Veris

SKU: PWRLX05S020
$706.08
MSRP: $811.99
You save 15%
Veris Industries PWRLX05S020 Wet Differential Pressure Transducer with 20 ft Cable (0–250 in. WC) quantity
Multi-Range Differential Pressure Transducer, 0–25/50/100 PSI, Digital Configurable

Veris

SKU: PHX07S
$510.88
MSRP: $587.51
You save 15%
Veris PHX07S Multi-Range Differential Pressure Transducer, 0–25/50/100 PSI, Digital Configurable quantity
Differential Air Pressure Transducer, 0–300 Pa, 4–20 mA Output

Veris

SKU: EP2120S
$196.59
MSRP: $226.08
You save 15%
Veris EP2120S Differential Air Pressure Transducer, 0–300 Pa, 4–20 mA Output quantity
Solid-Core Current Transducer, 4–20 mA Output

Veris

SKU: H-971
$218.58
MSRP: $251.37
You save 15%
Veris H971 Solid-Core Current Transducer, 4–20 mA Output quantity
Solid-Core Current Transducer, 4–20 mA Output

Veris

SKU: H-421
$419.99
MSRP: $482.99
You save 15%
Read more
Wet Differential Pressure Transducer, 0–5 PSI, 12–30 VDC / 24 VAC

Veris

SKU: PWLN05BP
$1,145.45
MSRP: $1,317.27
You save 15%
Veris PWLN05BP Wet Differential Pressure Transducer, 0–5 PSI, 12–30 VDC / 24 VAC quantity
Current Transducer, 0–100A, Split-Core, 1kVDC Isolation, Unipolar Output

Veris

SKU: EA20BB010
$179.00
MSRP: $205.85
You save 15%
Veris Industries EA20BB010 Current Transducer, 0–100A, Split-Core, 1kVDC Isolation, Unipolar Output quantity
Pressure Transducer 700 PSI 7/16-20 UNF

Trane

SKU: TDR0737
$330.23
MSRP: $379.76
You save 15%
Trane TDR0737 Pressure Transducer 700 PSI 7/16-20 UNF quantity
700 PSI 1/4″ NPT Pressure Transducer

Trane

SKU: TDR0736
$325.94
MSRP: $374.83
You save 15%
Trane TDR0736 700 PSI 1/4" NPT Pressure Transducer quantity
0–475 PSI Pressure Transducer

Trane

SKU: TDR0734
$352.40
MSRP: $405.26
You save 15%
Trane TDR0734 0–475 PSI Pressure Transducer quantity
Pressure Transducer

Trane

SKU: SEN2670
$114.42
MSRP: $131.58
You save 15%
Trane SEN2670 Pressure Transducer quantity
0‑5″ 5VDC Pressure Transducer

Trane

SKU: SEN2669
$114.74
MSRP: $131.95
You save 15%
Trane SEN2669 0‑5" 5VDC Pressure Transducer quantity
Pressure Transducer

York

SKU: S1-031-09198-000
$178.90
MSRP: $205.74
You save 15%
York S1-031-09198-000 Pressure Transducer quantity
0/650# Discharge Transducer

York

SKU: 025-29139-007
$800.60
MSRP: $920.69
You save 15%
York 025-29139-007 Discharge Transducer 0/650# quantity
Pressure Transducer 200#

York

SKU: 025-29583-000
$941.00
MSRP: $1,082.15
You save 15%
York 025-29583-000 Pressure Transducer 200# quantity
Pressure Transducer — High‑Accuracy 0‑400 PSI Sensor

York

SKU: 025-29139-004
$854.73
MSRP: $982.94
You save 15%
York 025‑29139‑004 Pressure Transducer — High‑Accuracy 0‑400 PSI Sensor quantity
Discharge Pressure Transducer — 0-650 PSI Sensor with Harness

York

SKU: 492-23236-011
$1,278.49
MSRP: $1,470.26
You save 15%
York 492-23236-011 Discharge Pressure Transducer — 0-650 PSI Sensor with Harness quantity
Pressure Transducer — 5 VDC In / 0–5 VDC Out

York

SKU: 025-29139-009
$785.60
MSRP: $903.44
You save 15%
York 025‑29139‑009 0–275 PSI Pressure Transducer — 5 VDC In / 0–5 VDC Out quantity
Low Pressure Transducer

Carrier

SKU: 00PPG000030700A
$259.56
MSRP: $298.49
You save 15%
Carrier 00PPG000030700A Low Pressure Transducer quantity
Pressure Transducer

Carrier

SKU: HK05YZ007
$745.69
MSRP: $857.54
You save 15%
Carrier HK05YZ007 Pressure Transducer quantity
Discharge Pressure Transducer

Carrier

SKU: HK05ZZ001
$162.81
MSRP: $187.23
You save 15%
Carrier HK05ZZ001 Discharge Pressure Transducer quantity
Honeywell RP7517B1016 Electronic-Pneumatic Transducer

Honeywell Home

SKU: RP7517B1016
$788.69
MSRP: $906.99
You save 15%
Honeywell RP7517B1016 Electronic-Pneumatic Transducer quantity
Veris H-721 Current Transducer

Veris

SKU: H-721
$84.70
MSRP: $113.92
You save 26%
Veris H-721 Current Transducer quantity