Dwyer Current Sensors

Dwyer current sensors are designed for reliable and accurate fixed threshold and adjustable setpoint monitoring of AC electrical loads in HVAC, building automation, and industrial control applications. Dwyer split-core and solid-core current sensors enable detection of equipment status, verification of energy consumption, operator alert, and early identification of abnormal current signatures before they result in system failure.

Current sensors from Dwyer Instruments provide dependable performance and straightforward installation in applications where load supervision and monitoring are required. Dwyer instruments are repeatedly selected not only for their cost efficiency, but also for their accuracy, reliability and versatility. Their reliability and versatility have made Dwyer a trusted choice in commercial buildings, manufacturing facilities, and energy-management applications.

Found 44 items
Filters
Found 44 items
Manufacturer
Dwyer Instruments (44)
Component
Current Sensor (23)
Current Switch (15)
Current Transducer (3)
Current Transformer (1)
Miniature Current Switch (2)
(Instrument-Sensor) Temperature Range
-22 - 158°F/-30 - 70°C (6)
5 - 140°F/-15 - 60°C (8)
32 - 122°F/0 - 50°C (2)
Normally In Stock
Dwyer MSCS-220015 Current Switch
Free U.S Ground shipping
$97.84
$81.53
Normally In Stock
Dwyer CCS-231150 Current Switch
Free U.S Ground shipping
$42.44
$35.37
Normally In Stock
Dwyer CCS-121050 Current Switch
Free U.S Ground shipping
$28.01
$23.34
Normally In Stock
Dwyer CCS-131100 Current Switch
Free U.S Ground shipping
$34.16
$28.47
Normally In Stock
Dwyer CCS-211150 Current Switch
Free U.S Ground shipping
$42.44
$35.37
Normally In Stock
Dwyer CCS-221100 Current Switch
Free U.S Ground shipping
$38.02
$31.68
Normally In Stock
Dwyer MCS-111001 Miniature Current Switch
Free U.S Ground shipping
$33.60
$28.00
Normally In Stock
Dwyer MCS-111050 Miniature Current Switch
Free U.S Ground shipping
$33.60
$28.00
Normally In Stock
Dwyer CCS-111100 Current Switch
Free U.S Ground shipping
$34.16
$28.47
Normally In Stock
Dwyer SCS-111100 Current Switch
Free U.S Ground shipping
$121.93
$101.61
Normally In Stock
Dwyer SCS-111100-R Current Switch
Free U.S Ground shipping
$152.89
$127.41
Normally In Stock
Dwyer SCS-120025 Current Switch
Free U.S Ground shipping
$87.19
$72.66
Normally In Stock
Dwyer SCS-211125 Current Switch
Free U.S Ground shipping
$121.93
$101.61
Normally In Stock
Dwyer SCS-211125-R Current Switch
Free U.S Ground shipping
$182.64
$152.20
Normally In Stock
Dwyer SCS-220015 Current Switch
Free U.S Ground shipping
$104.29
$86.91
Normally In Stock
Dwyer SCS-220150 Current Switch
Free U.S Ground shipping
$102.82
$85.68
Normally In Stock
Dwyer SCS-220150-R Current Switch
Free U.S Ground shipping
$165.85
$138.21
Normally In Stock
Dwyer SCT10-100 Current transducer
Free U.S Ground shipping
$180.85
$150.71
Normally In Stock
Dwyer SCT10-102 Current transducer
Free U.S Ground shipping
$148.73
$123.94
Normally In Stock
Dwyer SCT20-103 Current transducer
Free U.S Ground shipping
$151.12
$125.93
Normally In Stock
Dwyer CCT50-202 Current Transformer
Free U.S Ground shipping
$39.17
$32.64
Normally In Stock
Dwyer CCT40-100 Transformer
Free U.S Ground shipping
$58.33
$48.61
Normally In Stock
Dwyer CCT40-102 Transformer
Free U.S Ground shipping
$58.33
$48.61
Normally In Stock
Dwyer CCT40-200 Transformer
Free U.S Ground shipping
$48.60
$40.50
Normally In Stock
Dwyer CCT40-202 Transformer
Free U.S Ground shipping
$39.17
$32.64
Normally In Stock
Dwyer CCT40-203 Transformer
Free U.S Ground shipping
$39.17
$32.64
Normally In Stock
Dwyer CCT50-100 Transformer
Free U.S Ground shipping
$58.92
$49.10
Normally In Stock
Dwyer CCT50-102 Transformer
Free U.S Ground shipping
$58.33
$48.61
Normally In Stock
Dwyer CCT50-200 Transformer
Free U.S Ground shipping
$48.60
$40.50
Normally In Stock
Dwyer CCT50-203 Transformer
Free U.S Ground shipping
$39.17
$32.64
Normally In Stock
Dwyer CCT60-100 Transformer
Free U.S Ground shipping
$91.93
$76.61
Normally In Stock
Dwyer CCT60-200 Transformer
Free U.S Ground shipping
$73.66
$61.38
Normally In Stock
Dwyer CCT70-100 Transformer
Free U.S Ground shipping
$91.93
$76.61
Normally In Stock
Dwyer CCT70-200 Transformer
Free U.S Ground shipping
$73.66
$61.38
Normally In Stock
Dwyer LTTJ-010 Transformer
Free U.S Ground shipping
$170.28
$141.90
Normally In Stock
Dwyer LTTJ-020 Transformer
Free U.S Ground shipping
$172.64
$143.87
Normally In Stock
Dwyer LTTJ-030 Transformer
Free U.S Ground shipping
$170.28
$141.90
Normally In Stock
Dwyer LTTJ-070 Transformer
Free U.S Ground shipping
$170.28
$141.90
Normally In Stock
Dwyer LTTJ-090 Transformer
Free U.S Ground shipping
$170.28
$141.90
Normally In Stock
Dwyer LTTJ-100 Transformer
Free U.S Ground shipping
$170.28
$141.90
Normally In Stock
Dwyer LTTJ-103 Transformer
Free U.S Ground shipping
$170.28
$141.90
Normally In Stock
Dwyer LTTJ-103S Transformer
Free U.S Ground shipping
$192.65
$160.54
Normally In Stock
Dwyer LTTJ-305 Transformer
Free U.S Ground shipping
$170.28
$141.90
Normally In Stock
Dwyer LTTJ-305S Transformer
Free U.S Ground shipping
$192.65
$160.54

FAQs

Q: What are Dwyer current sensors used for in HVAC and building automation systems?
Dwyer current sensors monitor electrical loads on motors, fans, pumps, compressors, and lighting circuits to verify equipment operation and detect failures or abnormal conditions in HVAC and automation systems.

Q: How do Dwyer current sensors help improve energy efficiency?
By measuring current draw, Dwyer sensors help identify excessive energy use, failing equipment, and inefficient operation. This data supports system optimization, preventative maintenance, and reduced energy consumption.

Q: Are Dwyer current sensors easy to install?
Yes. Many models feature split-core designs that clamp around existing conductors without disconnecting power, making them well-suited for fast installation and retrofit applications.

Q: What makes Dwyer current sensors reliable for commercial and industrial use?
Dwyer current sensors are built with durable housings and stable sensing components designed to withstand electrical noise, vibration, and varying environmental conditions while maintaining accuracy.

Q: Can Dwyer current sensors integrate with PLCs and building automation systems?
Yes. Most Dwyer current sensors provide standard output signals compatible with PLCs, BAS controllers, and energy-management systems, allowing straightforward integration into existing control architectures.

 

Why Buy Dwyer Current Sensors from RSP Supply

RSP Supply offers a reliable selection of Dwyer current sensors designed for HVAC monitoring, automation control, and energy management applications. Our catalog includes clearly specified sensor options suitable for professional installations in commercial and industrial environments. Customers rely on RSP Supply for trusted manufacturers, detailed technical information, and components built for dependable system monitoring.