.hide-partial { max-height: none; } .show-more { display: none; }

Littelfuse Current Sensors

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Current Sensors

List Images

Results: 100

Applied Filters:

Manufacturer = Littelfuse

Product Type

Type

Current Rating

Accuracy

Frequency Range

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Type	Current Rating	Accuracy	Frequency Range
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA AC Fault Current Detection, IEC62752, 14mm CT Aperture RCM14-03 Western Automation 1: ¥6,042.7 326In Stock 180Expected 10/28/2026	Mfr. Part # RCM14-03 Mouser Part # 445-RCM14-03	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA AC Fault Current Detection, IEC62752, 14mm CT Aperture Learn More about Western Automation rcm monitors	Datasheet	326In Stock 180Expected 10/28/2026	¥6,042.7 ¥6,041.1	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA
Board Mount Current Sensors RCM14-03 system, consists of 90134 pcb assembly and 90140 vertical mount current transformer RCM14-03_SYS_V Western Automation 1: ¥6,042.7 427In Stock	Mfr. Part # RCM14-03_SYS_V Mouser Part # 445-RCM14-03_SYS_V	Western Automation	Board Mount Current Sensors RCM14-03 system, consists of 90134 pcb assembly and 90140 vertical mount current transformer Learn More about Western Automation rcm monitors	Datasheet	427In Stock	¥6,042.7 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA
Board Mount Current Sensors RCM14-01 system, consists of 90137 pcb assembly and 90140 vertical mount current transformer RCM14-01_SYS_V Western Automation 1: ¥6,042.7 554In Stock	Mfr. Part # RCM14-01_SYS_V Mouser Part # 445-RCM14-01_SYS_V	Western Automation	Board Mount Current Sensors RCM14-01 system, consists of 90137 pcb assembly and 90140 vertical mount current transformer Learn More about Western Automation rcm monitors	Datasheet	554In Stock	¥6,042.7 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA
Board Mount Current Sensors Residual Current Monitor, 56mA DC/20mA AC Fault Current Detetion, UL2231, 14mm CT Aperture RCM14-04 Western Automation 1: ¥6,042.7 110In Stock	Mfr. Part # RCM14-04 Mouser Part # 445-RCM14-04	Western Automation	Board Mount Current Sensors Residual Current Monitor, 56mA DC/20mA AC Fault Current Detetion, UL2231, 14mm CT Aperture Learn More about Western Automation rcm monitors	Datasheet	110In Stock	¥6,042.7 ¥6,041.1	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	56 mA
Board Mount Current Sensors RCM14-01 system, consists of 90137 pcb assembly and 90150 horizontal mount current transformer RCM14-01_SYS_H Western Automation 1: ¥6,042.7 558In Stock	Mfr. Part # RCM14-01_SYS_H Mouser Part # 445-RCM14-01_SYS_H	Western Automation	Board Mount Current Sensors RCM14-01 system, consists of 90137 pcb assembly and 90150 horizontal mount current transformer Learn More about Western Automation rcm monitors	Datasheet	558In Stock	¥6,042.7 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA
Board Mount Current Sensors RCM14-03 system, consists of 90134 pcb assembly and 90150 horizontal mount current transformer RCM14-03_SYS_H Western Automation 1: ¥6,042.7 533In Stock	Mfr. Part # RCM14-03_SYS_H Mouser Part # 445-RCM14-03_SYS_H	Western Automation	Board Mount Current Sensors RCM14-03 system, consists of 90134 pcb assembly and 90150 horizontal mount current transformer Learn More about Western Automation rcm monitors	Datasheet	533In Stock	¥6,042.7 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA
Board Mount Current Sensors RCM14-04 system pcb assembly, for use with 90139 current transformer RCM14-04 SYSTEM PCB Western Automation 1: ¥3,626 187In Stock	Mfr. Part # RCM14-04 SYSTEM PCB Mouser Part # 445-RCM1404SYSTEMPCB	Western Automation	Board Mount Current Sensors RCM14-04 system pcb assembly, for use with 90139 current transformer Learn More about Western Automation rcm monitors	Datasheet	187In Stock	¥3,626 ¥3,622.6 ¥3,403.4 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	56 mA
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA AC Fault Current Detection, IEC62752, 9mm CT Aperture RCM01-02 Western Automation 1: ¥5,994.5 302In Stock	Mfr. Part # RCM01-02 Mouser Part # 445-RCM01-02	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA AC Fault Current Detection, IEC62752, 9mm CT Aperture Learn More about Western Automation rcm monitors	Datasheet	302In Stock	¥5,994.5 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA	10 %	50 Hz to 60 Hz
Board Mount Current Sensors RCM14 system current transformer, 14mm aperture, horizontal mount RCM SYSTEM CT HORIZONTAL Western Automation 1: ¥2,416.8 350In Stock	Mfr. Part # RCM SYSTEM CT HORIZONTAL Mouser Part # 445-RCMSYSCTHRIZNTAL	Western Automation	Board Mount Current Sensors RCM14 system current transformer, 14mm aperture, horizontal mount Learn More about Western Automation rcm monitors	Datasheet	350In Stock	¥2,416.8 ¥2,323.7 ¥2,322.1	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Sense
Board Mount Current Sensors RCM14 system current transformer, 14mm aperture, vertical mount RCM SYSTEM CT VERTICAL Western Automation 1: ¥2,416.8 587In Stock	Mfr. Part # RCM SYSTEM CT VERTICAL Mouser Part # 445-RCMSYSCTVERTICAL	Western Automation	Board Mount Current Sensors RCM14 system current transformer, 14mm aperture, vertical mount Learn More about Western Automation rcm monitors	Datasheet	587In Stock	¥2,416.8 ¥2,323.7 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Sense
Board Mount Current Sensors RCM14-01 system pcb assembly, for use with either 90140 or 90150 current transformer RCM14-01 SYSTEM PCB Western Automation 1: ¥3,626 558In Stock	Mfr. Part # RCM14-01 SYSTEM PCB Mouser Part # 445-RCM1401SYSTEMPCB	Western Automation	Board Mount Current Sensors RCM14-01 system pcb assembly, for use with either 90140 or 90150 current transformer Learn More about Western Automation rcm monitors	Datasheet	558In Stock	¥3,626 ¥3,622.6 ¥3,403.4 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA
Board Mount Current Sensors RCM14-04 system current transformer, 14mm aperture, vertical mount RCM14-04 SYSTEM CT Western Automation 1: ¥2,416.8 203In Stock	Mfr. Part # RCM14-04 SYSTEM CT Mouser Part # 445-RCM1404SYSTEMCT	Western Automation	Board Mount Current Sensors RCM14-04 system current transformer, 14mm aperture, vertical mount Learn More about Western Automation rcm monitors	Datasheet	203In Stock	¥2,416.8 ¥2,323.7 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	56 mA
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 4 Integrated Conductors, Horizontal Mount RCMP20HC4-01 Western Automation 1: ¥6,276.9 247In Stock	Mfr. Part # RCMP20HC4-01 Mouser Part # 445-RCMP20HC4-01	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 4 Integrated Conductors, Horizontal Mount Learn More about Western Automation rcmp20 monitors	Datasheet	247In Stock	¥6,276.9 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor	6 mA		50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 4 Integrated Conductors, Horizontal Mount RCMP20HC4-03 Western Automation 1: ¥6,016.1 249In Stock	Mfr. Part # RCMP20HC4-03 Mouser Part # 445-RCMP20HC4-03	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 4 Integrated Conductors, Horizontal Mount Learn More about Western Automation rcmp20 monitors	Datasheet	249In Stock	¥6,016.1 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor			50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 20mm Open Aperature, Horizontal Mount RCMP20HT-01 Western Automation 1: ¥5,581 245In Stock	Mfr. Part # RCMP20HT-01 Mouser Part # 445-RCMP20HT-01	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 20mm Open Aperature, Horizontal Mount Learn More about Western Automation rcmp20 monitors	Datasheet	245In Stock	¥5,581 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor	6 mA		50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 20mm Open Aperature, Horizontal Mount RCMP20HT-03 Western Automation 1: ¥5,581 238In Stock	Mfr. Part # RCMP20HT-03 Mouser Part # 445-RCMP20HT-03	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 20mm Open Aperature, Horizontal Mount Learn More about Western Automation rcmp20 monitors	Datasheet	238In Stock	¥5,581 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor			50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 4 Integrated Conductors, Vertical Mount RCMP20VC4-01 Western Automation 1: ¥6,016.1 251In Stock	Mfr. Part # RCMP20VC4-01 Mouser Part # 445-RCMP20VC4-01	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 4 Integrated Conductors, Vertical Mount Learn More about Western Automation rcmp20 monitors	Datasheet	251In Stock	¥6,016.1 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor	6 mA		50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 4 Integrated Conductors, Vertical Mount RCMP20VC4-03 Western Automation 1: ¥6,276.9 179In Stock	Mfr. Part # RCMP20VC4-03 Mouser Part # 445-RCMP20VC4-03	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 4 Integrated Conductors, Vertical Mount Learn More about Western Automation rcmp20 monitors	Datasheet	179In Stock	¥6,276.9 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor			50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 20mm Open Aperature, Vertical Mount RCMP20VT-01 Western Automation 1: ¥5,581 238In Stock	Mfr. Part # RCMP20VT-01 Mouser Part # 445-RCMP20VT-01	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 20mm Open Aperature, Vertical Mount Learn More about Western Automation rcmp20 monitors	Datasheet	238In Stock	¥5,581 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor	6 mA		50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 20mm Open Aperature, Vertical Mount RCMP20VT-03 Western Automation 1: ¥5,581 243In Stock	Mfr. Part # RCMP20VT-03 Mouser Part # 445-RCMP20VT-03	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 20mm Open Aperature, Vertical Mount Learn More about Western Automation rcmp20 monitors	Datasheet	243In Stock	¥5,581 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor			50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA AC Fault Current Detection, IEC62752, 20mm CT Aperture RCM20-03 Western Automation 1: ¥6,619.1 266In Stock	Mfr. Part # RCM20-03 Mouser Part # 445-RCM20-03	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA AC Fault Current Detection, IEC62752, 20mm CT Aperture Learn More about Western Automation rcm monitors	Datasheet	266In Stock	¥6,619.1 ¥6,617.4 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual	6 mA		50 Hz to 60 Hz
Current Sensors - Industrial 120VAC ISOLATED SPDT CURRENT SENSOR ECS40BC Littelfuse 1: ¥36,965.6 10In Stock	Mfr. Part # ECS40BC Mouser Part # 576-ECS40BC	Littelfuse	Current Sensors - Industrial 120VAC ISOLATED SPDT CURRENT SENSOR	Datasheet	10In Stock	¥36,965.6 ¥31,186.9 ¥28,989.4 ¥26,728.8 ¥26,105.9	Min.: 1 Mult.: 1	Industrial Current Sensors		5 A		45 Hz to 500 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 2 Integrated Conductors, Horizontal Mount RCMP20HC2-01 Western Automation 1: ¥5,846.7 20In Stock	Mfr. Part # RCMP20HC2-01 Mouser Part # 445-RCMP20HC2-01	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 2 Integrated Conductors, Horizontal Mount Learn More about Western Automation rcmp20 monitors	Datasheet	20In Stock	¥5,846.7 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor	6 mA		50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 2 Integrated Conductors, Horizontal Mount RCMP20HC2-03 Western Automation 1: ¥7,532.6 14In Stock	Mfr. Part # RCMP20HC2-03 Mouser Part # 445-RCMP20HC2-03	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62752, 2 Integrated Conductors, Horizontal Mount Learn More about Western Automation rcmp20 monitors	Datasheet	14In Stock	¥7,532.6	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor			50 Hz to 60 Hz
Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 3 Integrated Conductors, Horizontal Mount RCMP20HC3-01 Western Automation 1: ¥6,061 20In Stock	Mfr. Part # RCMP20HC3-01 Mouser Part # 445-RCMP20HC3-01	Western Automation	Board Mount Current Sensors Residual Current Monitor, 6mA DC/30mA Fault Current Detection, IEC62955, 3 Integrated Conductors, Horizontal Mount Learn More about Western Automation rcmp20 monitors	Datasheet	20In Stock	¥6,061 Quote Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Residual Current Monitor	6 mA		50 Hz to 60 Hz