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Closed Loop Current Sensors

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Types of Current Sensors

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Sensor Type = Closed Loop

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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 CKSR xx-NP CKSR 25-NP LEM 1: HK$113.76 1,513On Order New At Mouser	Mfr. Part No. CKSR 25-NP Mouser Part No 61-CKSR25-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	1,513On Order On Order Ship Dates Mfr. No: CKSR 25-NP Stock: 0 On Order: 313 Pending 200 Expected 23/11/2026 1,000 Expected 1/1/2027 Factory Lead Time: 8 Weeks	HK$113.76 HK$103.00 HK$94.28 HK$90.58 View HK$84.83 HK$80.88 HK$77.84 Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	25 A	0.8 %	300 kHz
Board Mount Current Sensors Current transducer CKSR xx-NP CKSR 6-NP LEM 1: HK$113.93 1,394On Order New At Mouser	Mfr. Part No. CKSR 6-NP Mouser Part No 61-CKSR6-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	1,394On Order On Order Ship Dates Mfr. No: CKSR 6-NP Stock: 0 On Order: 394 Pending 200 Expected 29/10/2026 800 Expected 29/12/2026 Factory Lead Time: 11 Weeks	HK$113.93 HK$103.16 HK$94.45 HK$90.67 View HK$84.91 HK$80.97 HK$79.90	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	6 A	0.8 %	300 kHz
Board Mount Current Sensors Current Transducer LKSR series LKSR 15-NP LEM 1: HK$122.48 200On Order New At Mouser	Mfr. Part No. LKSR 15-NP Mouser Part No 61-LKSR15-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LKSR series Learn More about LEM lksr current transducers	Datasheet	200On Order	HK$122.48 HK$110.97 HK$101.68 HK$99.79	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	15 A	0.75 %	300 kHz
Board Mount Current Sensors Current Transducer LKSR series LKSR 25-NP LEM 1: HK$135.79 400On Order New At Mouser	Mfr. Part No. LKSR 25-NP Mouser Part No 61-LKSR25-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LKSR series Learn More about LEM lksr current transducers	Datasheet	400On Order On Order Ship Dates Mfr. No: LKSR 25-NP Stock: 0 On Order: 200 Expected 20/11/2026 200 Expected 11/12/2026 Factory Lead Time: 10 Weeks	HK$135.79 HK$123.30 HK$113.19 HK$109.41 View HK$102.75 HK$99.79	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	25 A	0.85 %	300 kHz
Board Mount Current Sensors Current Transducer LKSR series LKSR 50-NP LEM 1: HK$129.96 400Expected 26/11/2026 New At Mouser	Mfr. Part No. LKSR 50-NP Mouser Part No 61-LKSR50-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LKSR series Learn More about LEM lksr current transducers	Datasheet	400Expected 26/11/2026	HK$129.96 HK$117.87 HK$108.01 HK$104.31 View HK$97.90 HK$93.54	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.7 %	300 kHz
Board Mount Current Sensors Voltage Transducer LV 20-P For the electronic measurement of voltages: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. LV 20-P LEM 1: HK$342.69 149Expected 11/12/2026 New At Mouser	Mfr. Part No. LV 20-P Mouser Part No 61-LV20-P New At Mouser	LEM	Board Mount Current Sensors Voltage Transducer LV 20-P For the electronic measurement of voltages: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. Learn More about LEM lv board mount current sensors	Datasheet	149Expected 11/12/2026	HK$342.69 HK$314.33 HK$303.89 HK$285.89 View HK$276.03 HK$268.22 Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Voltage Transducer	10 mA	1.1 %
Board Mount Current Sensors Current Transducer LXS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LXS 25-NPS LEM 1: HK$135.79 1,039On Order New At Mouser	Mfr. Part No. LXS 25-NPS Mouser Part No 61-LXS25-NPS New At Mouser	LEM	Board Mount Current Sensors Current Transducer LXS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM lxs current sensors	Datasheet	1,039On Order On Order Ship Dates Mfr. No: LXS 25-NPS Stock: 0 On Order: 139 Expected 11/11/2026 150 Expected 17/11/2026 150 Expected 20/11/2026 600 Expected 24/12/2026 Factory Lead Time: 10 Weeks	HK$135.79 HK$123.30 HK$113.19 HK$109.41 View HK$104.07 HK$99.79	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	25 A	3 %	300 kHz
Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. CAS 15-NP LEM 1: HK$124.70 952On Order New At Mouser	Mfr. Part No. CAS 15-NP Mouser Part No 61-CAS15-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. Learn More about LEM cas current transducers	Datasheet	952On Order On Order Ship Dates Mfr. No: CAS 15-NP Stock: 0 On Order: 152 Expected 15/12/2026 400 Expected 1/1/2027 400 Expected 6/4/2027 Factory Lead Time: 31 Weeks	HK$124.70 HK$113.03 HK$103.57 HK$100.04 View HK$93.71 HK$91.49	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	15 A	0.8 %	300 kHz
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: HK$118.20 220Expected 15/6/2027 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	220Expected 15/6/2027	HK$118.20 HK$107.19 HK$98.23 HK$94.86 View HK$89.02 HK$85.49	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: HK$153.06 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	HK$153.06 HK$139.08 HK$127.74 HK$119.03 View HK$114.50 HK$109.16 Quote	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: HK$130.37 218Expected 28/6/2027	Mfr. Part No. S22P025S05 Mouser Part No 838-S22P025S05	Tamura	Board Mount Current Sensors CURRENT SENSOR ( 25A; +5V)	Datasheet	218Expected 28/6/2027	HK$130.37 HK$107.27 HK$96.75 HK$84.09 View HK$72.09 HK$69.87 HK$67.65 Quote	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: HK$170.24 300Expected 31/3/2027	Mfr. Part No. S25P050D15X Mouser Part No 838-S25P050D15X	Tamura	Board Mount Current Sensors CURRENT SENSOR ( 50A; 15V; 1000T)	Datasheet	300Expected 31/3/2027	HK$170.24 HK$143.52 HK$136.53 HK$95.52 View HK$91.65 Quote	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: HK$388.31 75Expected 23/3/2027	Mfr. Part No. S27S300D15YM Mouser Part No 838-S27S300D15YM	Tamura	Current Sensors – Industrial CURRENT SENSOR ( 300A; 15V; 2000T)	Datasheet	75Expected 23/3/2027	HK$388.31 HK$352.97 HK$336.20 HK$315.65 View HK$303.48 HK$290.74 Quote	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: HK$492.62 66On Order New Product	Mfr. Part No. LA 25-NP/SP25 Mouser Part No 61-LA25-NP/SP25 New Product	LEM	Board Mount Current Sensors	Datasheet	66On Order	HK$492.62 HK$415.44 HK$386.18 HK$350.50 View HK$342.20 HK$336.69 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: HK$295.76 111Expected 7/12/2026 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 7/12/2026	HK$295.76 HK$271.01 HK$261.89 HK$255.23 View Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.9 %	200 kHz
Current Sensors – Industrial LEM LF 2005-S LF 2005-S LEM 1: HK$2,273.73 34On Order New Product	Mfr. Part No. LF 2005-S Mouser Part No 61-LF2005-S New Product	LEM	Current Sensors – Industrial		34On Order	HK$2,273.73 HK$2,242.66 HK$2,185.62	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Transducer	2 kA	0.003
Current Sensors – Industrial LEM LF 510-S/SP22 LF 510-S/SP22 LEM 1: HK$2,207.89 27Expected 17/12/2026 New Product	Mfr. Part No. LF 510-S/SP22 Mouser Part No 61-LF510-S/SP22 New Product	LEM	Current Sensors – Industrial		27Expected 17/12/2026	HK$2,207.89 HK$1,862.82 HK$1,741.41 HK$1,727.35 View Quote	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Transducer	500 A
Current Sensors – Industrial LEM LTC 1000-S LTC 1000-S LEM 1: HK$2,140.82 6On Order New Product	Mfr. Part No. LTC 1000-S Mouser Part No 61-LTC1000-S New Product	LEM	Current Sensors – Industrial	Datasheet	6On Order	HK$2,140.82 HK$2,060.92 HK$1,999.52 View Quote	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Transducer	1 kA	0.004	0 Hz to 100 kHz
Board Mount Current Sensors Gen2 HiSpeed Conv.Hall Prog.Curr.Sens Ana 15mV/mT MLX91209LVA-CAA-001-SP Melexis Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	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 Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	Board Mount Current Sensors	Programmable High Speed Current Sensor	12 mA		0 Hz to 200 kHz
Current Sensors – Industrial WINDOWCURRENTSENSOR ECSW4MBHT Littelfuse 1: HK$1,791.55 4Expected 21/1/2027	Mfr. Part No. ECSW4MBHT Mouser Part No 576-ECSW4MBHT	Littelfuse	Current Sensors – Industrial WINDOWCURRENTSENSOR	Datasheet	4Expected 21/1/2027	HK$1,791.55	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: HK$319.92 48Expected 29/10/2026 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 29/10/2026	HK$319.92 HK$286.96 HK$271.59 HK$252.93 View HK$245.12 HK$238.13 Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	150 A	1.4 %	200 kHz
Current Sensors – Industrial LEM IN 1000-S IN 1000-S LEM 1: HK$18,579.09 4Expected 10/3/2027 New Product	Mfr. Part No. IN 1000-S Mouser Part No 61-IN1000-S New Product	LEM	Current Sensors – Industrial	Datasheet	4Expected 10/3/2027	HK$18,579.09	Min.: 1 Mult.: 1	Industrial Current Sensors		1 kA
Board Mount Current Sensors CURRENT SENSOR ( 50A/ 100A; 15V) Tamura S23P50/100D15 S23P50/100D15 Tamura 1: HK$107.85 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 12/5/2027 400 Expected 2/6/2027 Factory Lead Time: 24 Weeks	HK$107.85 HK$97.90 HK$89.76 HK$86.80 View HK$79.08 HK$76.86 Quote	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: HK$199.75 900Expected 4/1/2027	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 4/1/2027	HK$199.75 HK$180.92 HK$162.02 HK$157.99 View HK$153.55 HK$142.62 Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors		200 A	0.5 %	0 Hz to 100 kHz