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Closed Loop Current Sensors

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Sensor Type = Closed Loop

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 Current transducer CASR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. CASR 50-NP LEM 1: $14.39 400Expected 2027/02/04 New At Mouser	Mfr. Part No. CASR 50-NP Mouser Part No 61-CASR50-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CASR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. Learn More about LEM casr transducers	Datasheet	400Expected 2027/02/04	$14.39 $13.04 $12.54 $11.96 View $11.54 $10.83 $10.33	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.8 %	300 kHz
Board Mount Current Sensors Current Transducer CKSR 75-NP. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation betweenthe primary and the secondary circuit. CKSR 75-NP LEM 1: $18.62 364On Order New At Mouser	Mfr. Part No. CKSR 75-NP Mouser Part No 61-CKSR75-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer CKSR 75-NP. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM cksr transducers	Datasheet	364On Order	$18.62 $16.92 $16.29 $15.31 View $14.48 $13.71 $13.70 $13.00 $12.92	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	75 A	1 %	300 kHz
Board Mount Current Sensors CURRENT SENSOR ( 25A; +5V) S22P025S05 Tamura 1: $15.86 218Expected 2027/04/01	Mfr. Part No. S22P025S05 Mouser Part No 838-S22P025S05	Tamura	Board Mount Current Sensors CURRENT SENSOR ( 25A; +5V)	Datasheet	218Expected 2027/04/01	$15.86 $13.01 $12.43 $11.11 View $10.20 $9.40 $8.61 $8.18 $7.99	Min.: 1 Mult.: 1	Board Mount Current Sensors		25 A		0 Hz to 100 kHz
Board Mount Current Sensors CURRENT SENSOR ( 50A; 15V; 1000T) S25P050D15X Tamura 1: $20.71 300Expected 2027/03/31	Mfr. Part No. S25P050D15X Mouser Part No 838-S25P050D15X	Tamura	Board Mount Current Sensors CURRENT SENSOR ( 50A; 15V; 1000T)	Datasheet	300Expected 2027/03/31	$20.71 $17.47 $16.24 $16.07 View $11.70 $11.61 $10.86 $10.77	Min.: 1 Mult.: 1	Board Mount Current Sensors		50 A		0 Hz to 100 kHz
Current Sensors – Industrial CURRENT SENSOR ( 300A; 15V; 2000T) S27S300D15YM Tamura 1: $47.25 75Expected 2027/03/23	Mfr. Part No. S27S300D15YM Mouser Part No 838-S27S300D15YM	Tamura	Current Sensors – Industrial CURRENT SENSOR ( 300A; 15V; 2000T)	Datasheet	75Expected 2027/03/23	$47.25 $42.95 $40.90 $38.40 View $36.25 $34.82 $34.47	Min.: 1 Mult.: 1	Industrial Current Sensors	Hall Effect Current Sensor	300 A	0.4 %	0 Hz to 100 kHz
Board Mount Current Sensors LEM LA 25-NP/SP25 LA 25-NP/SP25 LEM 1: $59.94 66Expected 2026/10/27 New Product	Mfr. Part No. LA 25-NP/SP25 Mouser Part No 61-LA25-NP/SP25 New Product	LEM	Board Mount Current Sensors	Datasheet	66Expected 2026/10/27	$59.94 $50.54 $46.99 $42.65 View $40.57 $39.57 $39.54 Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	25 A	0.9 %	150 kHz
Board Mount Current Sensors LEM LA 55-P/SP1 LA 55-P/SP1 LEM 1: $35.98 111Expected 2026/12/07 New Product	Mfr. Part No. LA 55-P/SP1 Mouser Part No 61-LA55-P/SP1 New Product	LEM	Board Mount Current Sensors	Datasheet	111Expected 2026/12/07	$35.98 $32.97 $31.87 $31.05 View $30.85 $30.27 $30.26 Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.9 %	200 kHz
Board Mount Current Sensors Gen2 HiSpeed Conv.Hall Prog.Curr.Sens Ana 15mV/mT MLX91209LVA-CAA-001-SP Melexis 1: $4.61 84Expected 2026/10/30	Mfr. Part No. MLX91209LVA-CAA-001-SP Mouser Part No 482-91209LVACAA001SP	Melexis	Board Mount Current Sensors Gen2 HiSpeed Conv.Hall Prog.Curr.Sens Ana 15mV/mT Learn More about Melexis mlx91209 current sensor This product may require additional documentation to export from the United States.	Datasheet	84Expected 2026/10/30	$4.61 $3.88 $3.61 $3.04 View $2.83 $2.31 $2.22 $2.17 $2.14	Min.: 1 Mult.: 1	Board Mount Current Sensors	Programmable High Speed Current Sensor	12 mA		0 Hz to 200 kHz
Board Mount Current Sensors Gen2 HiSpeed Conv.Hall Prog.Curr.Sens Ana 7.3mV/mT MLX91209LVA-CAA-002-SP Melexis 1: $4.56 48Expected 2026/10/23	Mfr. Part No. MLX91209LVA-CAA-002-SP Mouser Part No 482-91209LVACAA002SP	Melexis	Board Mount Current Sensors Gen2 HiSpeed Conv.Hall Prog.Curr.Sens Ana 7.3mV/mT Learn More about Melexis mlx91209 current sensor This product may require additional documentation to export from the United States.	Datasheet	48Expected 2026/10/23	$4.56 $3.84 $3.57 $3.24 View $3.01 $2.79 $2.33 $2.26	Min.: 1 Mult.: 1	Board Mount Current Sensors	Programmable High Speed Current Sensor	12 mA		0 Hz to 200 kHz
Current Sensors – Industrial 120VAC ISOLATED SPDT CURRENT SENSOR ECSH41F.08D Littelfuse 1: $228.86 1On Order	Mfr. Part No. ECSH41F.08D Mouser Part No 576-ECSH41F.08D	Littelfuse	Current Sensors – Industrial 120VAC ISOLATED SPDT CURRENT SENSOR	Datasheet	1On Order	$228.86 $193.07 $179.46 $165.48 $161.62	Min.: 1 Mult.: 1	Industrial Current Sensors		20 A		45 Hz to 500 Hz
Current Sensors – Industrial WINDOWCURRENTSENSOR ECSW4MBHT Littelfuse 1: $319.52 4Expected 2027/01/21	Mfr. Part No. ECSW4MBHT Mouser Part No 576-ECSW4MBHT	Littelfuse	Current Sensors – Industrial WINDOWCURRENTSENSOR	Datasheet	4Expected 2027/01/21	$319.52 $269.58 $250.52 $227.45 $226.72	Min.: 1 Mult.: 1	Industrial Current Sensors		20 A		45 Hz to 500 Hz
Board Mount Current Sensors Current Transducer LZSR 150-P/SP1. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation between the prmary and the secondary circuit. LZSR 150-P/SP1 LEM 1: $38.93 48Expected 2026/10/29 New At Mouser	Mfr. Part No. LZSR 150-P/SP1 Mouser Part No 61-LZSR150-P/SP1 New At Mouser	LEM	Board Mount Current Sensors Current Transducer LZSR 150-P/SP1. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation between the prmary and the secondary circuit. Learn More about LEM lzpr current transducer sensors	Datasheet	48Expected 2026/10/29	$38.93 $34.91 $33.04 $30.77 View $29.10 $28.27 $28.26	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	150 A	1.4 %	200 kHz
Board Mount Current Sensors CURRENT SENSOR ( 50A/ 100A; 15V) Tamura S23P50/100D15 S23P50/100D15 Tamura 1: $13.12 460On Order	Mfr. Part No. S23P50/100D15 Mouser Part No 838-S23P50/100D15	Tamura	Board Mount Current Sensors CURRENT SENSOR ( 50A/ 100A; 15V)	Datasheet	460On Order On Order Ship Dates Mfr. No: S23P50/100D15 Stock: 0 On Order: 60 Expected 2027/05/12 400 Expected 2027/06/02 Factory Lead Time: 24 Weeks	$13.12 $11.91 $11.47 $10.92 View $10.56 $10.54 $9.62 $9.35 $9.32	Min.: 1 Mult.: 1	Board Mount Current Sensors		100 A		0 Hz to 100 kHz
Board Mount Current Sensors Current Sensor 200A pri open +/-15V T60404-N4646-X201 Vacuumschmelze 1: $33.09 900Expected 2027/01/04	Mfr. Part No. T60404-N4646-X201 Mouser Part No 983-T60404-N4646X201	Vacuumschmelze	Board Mount Current Sensors Current Sensor 200A pri open +/-15V Learn More about Vacuumschmelze vac current sensors	Datasheet	900Expected 2027/01/04	$33.09 $28.87 $26.80 $25.06 View $23.56 $22.19 $22.11 $21.72	Min.: 1 Mult.: 1	Board Mount Current Sensors		200 A	0.5 %	0 Hz to 100 kHz
Board Mount Current Sensors LEM LA 55-TP LA 55-TP LEM 1: $28.07 47Expected 2026/11/13 New Product	Mfr. Part No. LA 55-TP Mouser Part No 61-LA55-TP New Product	LEM	Board Mount Current Sensors	Datasheet	47Expected 2026/11/13	$28.07 $25.66 $24.76 $23.68 View $23.27 $23.04 $23.03 $23.02	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.9 %	100 kHz
Current Sensors – Industrial Current Sensor 200A pri open +/-15V mlx T60404-N4644-X051 Vacuumschmelze 1: $119.63 90Expected 2026/12/11	Mfr. Part No. T60404-N4644-X051 Mouser Part No 983-T60404-N4644X051	Vacuumschmelze	Current Sensors – Industrial Current Sensor 200A pri open +/-15V mlx Learn More about Vacuumschmelze vac industrial current sensors	Datasheet	90Expected 2026/12/11	$119.63 $100.91 $93.77 $85.12 $83.48	Min.: 1 Mult.: 1	Industrial Current Sensors		200 A
Board Mount Current Sensors Current Sensor 100A 3 pri pins +/-15V T60404-N4646-X412 Vacuumschmelze 1: $19.14 1,260Expected 2026/11/24	Mfr. Part No. T60404-N4646-X412 Mouser Part No 983-T60404-N4646X412	Vacuumschmelze	Board Mount Current Sensors Current Sensor 100A 3 pri pins +/-15V Learn More about Vacuumschmelze vac current sensors	Datasheet	1,260Expected 2026/11/24	$19.14 $16.58 $15.61 $14.39 View $13.60 $13.12 $12.73 $12.11 $11.79	Min.: 1 Mult.: 1	Board Mount Current Sensors		100 A	0.5 %	0 Hz to 200 kHz
Current Sensors – Industrial Current Sensor 500A pri open +/-15V T60404-N4644-X052 Vacuumschmelze 1: $130.94 15Expected 2026/11/26	Mfr. Part No. T60404-N4644-X052 Mouser Part No 983-T60404-N4644X052	Vacuumschmelze	Current Sensors – Industrial Current Sensor 500A pri open +/-15V Learn More about Vacuumschmelze vac industrial current sensors	Datasheet	15Expected 2026/11/26	$130.94 $110.44 $102.65 $93.68	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Sense Module	500 A	0.5 %	0 Hz to 50 kHz
Current Sensors – Industrial HCS 200A CURRENT SENSOR 20310200102 HARTING Restricted Availability End of Life	Mfr. Part No. 20310200102 Mouser Part No 617-20310200102 End of Life	HARTING	Current Sensors – Industrial HCS 200A CURRENT SENSOR Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	Industrial Current Sensors		200 A	0.8 %	0 Hz to 100 kHz
Current Sensors – Industrial CURRENT SENSORS Honeywell CSNS300F-003 CSNS300F-003 Honeywell 25: $215.62 50Stock Available	Mfr. Part No. CSNS300F-003 Mouser Part No 785-CSNS300F-003	Honeywell	Current Sensors – Industrial CURRENT SENSORS	Datasheet	50Stock Available More Info Available	$215.62 Quote Quote	Min.: 25 Mult.: 25	Industrial Current Sensors		300 A
Current Sensors – Industrial 50A/4-20mA, SPLIT CASE CTL0502S Red Lion 1: $468.41 Non-Stocked Lead-Time 4 Weeks New At Mouser	Mfr. Part No. CTL0502S Mouser Part No 38-CTL0502S New At Mouser	Red Lion	Current Sensors – Industrial 50A/4-20mA, SPLIT CASE	Datasheet	Non-Stocked Lead-Time 4 Weeks	$468.41 $433.74 $421.06 $421.04 View Quote	Min.: 1 Mult.: 1	Industrial Current Sensors	AC Current Transducer	50 A	0.5 %	20 Hz to 100 Hz
Current Sensors – Industrial 24VAC ISOLATED SPDT CURRENT SENSOR ECS20BC Littelfuse 1: $222.59 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. ECS20BC Mouser Part No 576-ECS20BC	Littelfuse	Current Sensors – Industrial 24VAC ISOLATED SPDT CURRENT SENSOR	Datasheet	Non-Stocked Lead-Time 6 Weeks	$222.59 $187.79 $174.57 $160.95 $157.20	Min.: 1 Mult.: 1	Industrial Current Sensors		5 A		45 Hz to 500 Hz
Current Sensors – Industrial 24VAC ISOLATED SPDT CURRENT SENSOR ECS21BC Littelfuse 1: $222.59 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ECS21BC Mouser Part No 576-ECS21BC	Littelfuse	Current Sensors – Industrial 24VAC ISOLATED SPDT CURRENT SENSOR	Datasheet	Non-Stocked Lead-Time 12 Weeks	$222.59 $187.79 $174.57 $160.95 $157.20	Min.: 1 Mult.: 1	Industrial Current Sensors		20 A		45 Hz to 500 Hz
Current Sensors – Industrial 24VAC ISOLATED SPDT CURRENT SENSOR ECS2HBC Littelfuse 1: $222.59 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ECS2HBC Mouser Part No 576-ECS2HBC	Littelfuse	Current Sensors – Industrial 24VAC ISOLATED SPDT CURRENT SENSOR	Datasheet	Non-Stocked Lead-Time 12 Weeks	$222.59 $187.79 $174.57 $160.95 $157.20	Min.: 1 Mult.: 1	Industrial Current Sensors		50 A		45 Hz to 500 Hz
Current Sensors – Industrial 24VDC ISOLATED SPDT CURRENT SENSOR ECS30AC Littelfuse 1: $222.59 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ECS30AC Mouser Part No 576-ECS30AC	Littelfuse	Current Sensors – Industrial 24VDC ISOLATED SPDT CURRENT SENSOR	Datasheet	Non-Stocked Lead-Time 12 Weeks	$222.59 $187.79 $174.57 $160.95 $157.20	Min.: 1 Mult.: 1	Industrial Current Sensors		5 A		45 Hz to 500 Hz