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.

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Voltage

Showing 241–288 of 441 resultsSorted by popularity

Current / Voltage Signal Generator

Dwyer

SKU: CSG
$341.89
MSRP: $393.17
You save 15%
Dwyer CSG Current / Voltage Signal Generator quantity
1.0A Solid Core Current Switch

Dwyer

SKU: CCS-131100
$36.59
MSRP: $42.08
You save 15%
Dwyer CCS-131100 1.0A Solid Core Current Switch quantity
Pressure Transmitter, 0–50 Psid, NEMA 4X, 4–20 mA Output

Dwyer

SKU: 629C04CHP2E5S1
$541.61
MSRP: $622.85
You save 15%
Dwyer 629C04CHP2E5S1 Pressure Transmitter, 0–50 Psid, NEMA 4X, 4–20 mA quantity
Differential Pressure Transmitter, 0–50 Psid, NEMA 4X, 4–20 mA

Dwyer

SKU: 629C-04-CHP2E5S13V
$741.41
MSRP: $852.62
You save 15%
Dwyer 629C-04-CHP2E5S13V Differential Pressure Transmitter, 0–50 Psid quantity
Pressure Transmitter, 0–25 Psid, NEMA 4X, 4–20 mA Output

Dwyer

SKU: 629C-03-CH-P2-E5S1
$541.61
MSRP: $622.85
You save 15%
Dwyer 629C-03-CH-P2-E5S1 Pressure Transmitter, 0–25 Psid, NEMA 4X, 4–20 mA quantity
Industrial Pressure Transmitter, 0–100 Psig, 4–20 mA Output

Dwyer

SKU: 628-10-GH-P1-E1-S1
$156.06
MSRP: $179.47
You save 15%
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Differential Pressure Transmitter, 0-40″ w.c., 4-20mA Output

Dwyer

SKU: 616KD-A-08
$240.69
MSRP: $276.79
You save 15%
Dwyer 616KD-A-08 Differential Pressure Transmitter, 0-40" w.c. quantity
Differential Pressure Transmitter, 0-2″ w.c., 4-20mA Output

Dwyer

SKU: 616KD-01
$131.45
MSRP: $151.17
You save 15%
Dwyer 616KD-01 Differential Pressure Transmitter, 0-2" w.c., 4-20mA quantity
Differential Pressure Indicating Transmitter, 0–3.0″ w.c.

Dwyer

SKU: 605-3
$550.28
MSRP: $632.82
You save 15%
Dwyer 605-3 Differential Pressure Indicating Transmitter, 0–3.0" w.c. quantity
LST Current Relay for Reliable Load Monitoring

Danfoss

SKU: 117U4131
$22.89
MSRP: $26.32
You save 15%
Danfoss 117U4131 LST Current Relay quantity
Electronic-Pneumatic Transducer, 2-10Vdc Input Signal

Honeywell Home

SKU: RP7517A1017
$680.74
MSRP: $782.85
You save 15%
Honeywell RP7517A1017 Electronic-Pneumatic Transducer, 2-10Vdc Input quantity
Electronic-Pneumatic Transducer, 2-10Vdc Input, 30″ Lead Wires

Honeywell Home

SKU: RP7517A1009
$1,211.14
MSRP: $1,392.81
You save 15%
Honeywell RP7517A1009 Electronic-Pneumatic Transducer, 2-10Vdc quantity
PWM to Analog Interface Module, 24V Supply, Jumper Selectable

Honeywell Home

SKU: Q7002C1007
$463.88
MSRP: $533.46
You save 15%
Honeywell Q7002C1007 PWM to Analog Interface Module, 24V quantity
Wet Differential Pressure Sensor, 50 PSID, No Cable

Honeywell Home

SKU: PWTB50-X
$1,136.26
MSRP: $1,306.70
You save 15%
Honeywell PWTB50-X Wet Differential Pressure Sensor 50 PSID No Cable quantity
Wet Differential Pressure Sensor, 100 PSId, No Cable

Honeywell Home

SKU: PWTB250-X
$1,136.26
MSRP: $1,306.70
You save 15%
Honeywell PWTB250-X Wet Differential Pressure Sensor 100 PSId No Cable quantity
Duct Mount Pressure Probe for Air Pressure Sensing

Honeywell Home

SKU: P7600PROBE
$58.58
MSRP: $67.37
You save 15%
Honeywell P7600PROBE Duct Mount Pressure Probe quantity
0.75–50A Adjustable Solid Core Normally Open Current Switch

Honeywell Home

SKU: MCS-NO-A-50A
$70.29
MSRP: $80.83
You save 15%
Honeywell MCS-NO-A-50A 0.75–50A Adj Solid Core N/O Current Switch quantity
DC Power Signal Processor for HVAC Control Applications

Honeywell Home

SKU: 700DCSP
$1,804.60
MSRP: $2,075.29
You save 15%
Honeywell 700DCSP DC Power Signal Processor quantity
300 PSIA Pressure Transducer for Refrigeration Systems

Heatcraft Refrigeration

SKU: 28911202
$222.04
MSRP: $255.35
You save 15%
Heatcraft Refrigeration 28911202 300 PSIA Pressure Transducer quantity
Current Sensing Relay for Heatcraft Refrigeration Systems

Heatcraft Refrigeration

SKU: 22523601
$402.13
MSRP: $462.45
You save 15%
Heatcraft Refrigeration 22523601 Current Sensing Relay quantity
Beacon II Transducer for Heatcraft Refrigeration Systems

Heatcraft Refrigeration

SKU: 22515101
$61.79
MSRP: $71.06
You save 15%
Heatcraft Refrigeration 22515101 Beacon II Transducer quantity
Pressure Transducer, 1/4″ Connection, 6 ft Cable, Plug

Grundfos

SKU: 99970234
$662.74
MSRP: $762.15
You save 15%
Grundfos 99970234 Pressure Transducer, 1/4", 6 ft Cable, Plug quantity
0-120 PSI 4-20mA Pressure Transducer

Grundfos

SKU: 92506685
$315.18
MSRP: $362.46
You save 15%
Grundfos 92506685 0-120 PSI 4-20mA Pressure Transducer quantity
Pressure Transducer for York HVAC Systems

York

SKU: 325-40088-600
$1,539.48
MSRP: $1,770.40
You save 15%
York 325-40088-600 Pressure Transducer quantity
Current Transformer for York HVAC Systems

York

SKU: 025L02485-000
$261.26
MSRP: $300.45
You save 15%
York 025L02485-000 Current Transformer quantity
Transducer, 0-200 PSIA Pressure Range

York

SKU: 025-45724-000
$757.29
MSRP: $870.88
You save 15%
York 025-45724-000 Transducer 0-200 PSIA quantity
650# Discharge Pressure Transducer

York

SKU: 025-41756-303
$465.26
MSRP: $535.05
You save 15%
York 025-41756-303 650# Discharge Pressure Transducer quantity
400# Suction Pressure Transducer for York Systems

York

SKU: 025-41756-302
$474.44
MSRP: $545.61
You save 15%
York 025-41756-302 400# Suction Pressure Transducer quantity
0/125# Suction Pressure Transducer for York Systems

York

SKU: 025-29583-002
$899.90
MSRP: $1,034.89
You save 15%
York 025-29583-002 0/125# Suction Pressure Transducer quantity
Evaporator Transducer for York HVAC Systems

York

SKU: 025-29148-102
$1,027.16
MSRP: $1,181.23
You save 15%
York 025-29148-102 Evaporator Transducer quantity
Purge Transducer for York Chiller Systems

York

SKU: 025-29148-008
$932.86
MSRP: $1,072.79
You save 15%
York 025-29148-008 Purge Transducer quantity
High Side Oil Transducer for York HVAC Systems

York

SKU: 025-29148-004
$1,042.89
MSRP: $1,199.32
You save 15%
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Evaporator Transducer for York HVAC Systems

York

SKU: 025-29148-002
$1,042.89
MSRP: $1,199.32
You save 15%
York 025-29148-002 Evaporator Transducer quantity
Pressure Transducer for York HVAC Systems

York

SKU: 025-28678-115
$1,436.13
MSRP: $1,651.55
You save 15%
Read more
Transducer, OEM Replacement Part

York

SKU: 025-28678-112
$893.09
MSRP: $1,027.05
You save 15%
York 025-28678-112 Transducer quantity
0-300 PSI Pressure Transducer, 0.5-4.5VDC Output Signal

York

SKU: 025-28678-006
$893.00
MSRP: $1,026.95
You save 15%
York 025-28678-006 0-300 PSI 0.5-4.5VDC Pressure Transducer quantity
Valve Transducer, OEM Replacement Part

York

SKU: 022-12370-000
$41.23
MSRP: $47.41
You save 15%
Read more
1/4″ NPT 0-400 PSI 0.5-4.5V Pressure Transducer

York

SKU: 492-23236-010
$1,273.31
MSRP: $1,464.31
You save 15%
York 492-23236-010 1/4" NPT 0-400 PSI 0.5-4.5V Pressure Transducer quantity
Pressure Transducer 15-515 PSI, 0.5-4.5VDC Output Signal

York

SKU: S1-025-50566-000
$129.58
MSRP: $149.02
You save 15%
York S1-025-50566-000 Pressure Transducer 15-515 PSI 0.5-4.5VDC quantity
Pressure Transducer 200 PSI 1/4″ Connection, Unitary

York

SKU: S1-025-29139-002
$767.89
MSRP: $883.07
You save 15%
Read more
Pressure Transducer for York HVAC Systems

York

SKU: S1-031-02950-000
$518.38
MSRP: $596.14
You save 15%
York S1-031-02950-000 Pressure Transducer quantity
Discharge Pressure Transducer Kit, 650 PSI

York

SKU: S1-325-52072-000
$184.87
MSRP: $212.60
You save 15%
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Suction Pressure Transducer, OEM Replacement Part

York

SKU: S1-325-47941-000
$164.23
MSRP: $188.86
You save 15%
York S1-325-47941-000 Suction Pressure Transducer quantity
Current Sensing Relay for York HVAC Systems

York

SKU: S1-3730A3161
$141.38
MSRP: $162.59
You save 15%
York S1-3730A3161 Current Sensing Relay quantity
AKS 2050 Refrigeration Pressure Transmitter

Danfoss

SKU: 060G6344
$571.33
MSRP: $657.03
You save 15%
Danfoss 060G6344 AKS 2050 Refrigeration Pressure Transmitter quantity
Pressure Transducer 0-200 PSI, 1-5V Output, 1/8″ Connection

Danfoss

SKU: 060G3990
$280.01
MSRP: $322.01
You save 15%
Danfoss 060G3990 Pressure Transducer 0-200 PSI 1-5V 1/8" Connection quantity
Pressure Transducer, 0–362.5 PSI Range, 4–20mA Output

Danfoss

SKU: 060G3947
$503.75
MSRP: $579.31
You save 15%
Danfoss 060G3947 Pressure Transducer 0-362.5 PSI 4-20mA Output quantity
0-87 PSI 1/4″ 4-20mA Pressure Transducer

Danfoss

SKU: 060G3944
$487.17
MSRP: $560.25
You save 15%
Danfoss 060G3944 0-87 PSI 1/4" 4-20mA Pressure Transducer quantity