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Closed Loop Current Sensors

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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 CASR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. CASR 15-NP LEM 1: HK$108.42 1,576In Stock New At Mouser	Mfr. Part No. CASR 15-NP Mouser Part No 61-CASR15-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	1,576In Stock	HK$108.42 HK$98.23 HK$94.45 HK$89.93 View HK$86.80 HK$81.38 HK$81.30 HK$77.51 HK$75.46	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	15 A	0.8 %	300 kHz
Current Sensors – Industrial 1500A,T/H,MCU2,250K,3C5 CAN ID CSNV1500N-325 Honeywell / MICRO SWITCH 1: HK$941.19 35In Stock	Mfr. Part No. CSNV1500N-325 Mouser Part No 785-CSNV1500N-325	Honeywell / MICRO SWITCH	Current Sensors – Industrial 1500A,T/H,MCU2,250K,3C5 CAN ID Learn More about Honeywell / MICRO SWITCH honeywell csnv500 csnv1500 cssv1500 sensors	Datasheet	35In Stock	HK$941.19 HK$904.12 HK$784.27 HK$710.13 View HK$696.32 Quote	Min.: 1 Mult.: 1	Industrial Current Sensors	Hall-Effect	1.5 kA	1 %
Current Sensors – Industrial LEM LF 210-S/SP3 LF 210-S/SP3 LEM 1: HK$1,364.27 21In Stock 60Expected 4/11/2026 New Product	Mfr. Part No. LF 210-S/SP3 Mouser Part No 61-LF210-S/SP3 New Product	LEM	Current Sensors – Industrial		21In Stock 60Expected 4/11/2026	HK$1,364.27 HK$1,245.66 HK$1,126.96 HK$890.39 View HK$880.36 Quote	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Transducer	200 A
Current Sensors – Industrial LEM LF 306-S LF 306-S LEM 1: HK$819.53 20In Stock New Product	Mfr. Part No. LF 306-S Mouser Part No 61-LF306-S New Product	LEM	Current Sensors – Industrial		20In Stock	HK$819.53 HK$759.28 HK$736.84 HK$709.96 View HK$687.11 HK$670.59	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Transducer	300 A
Current Sensors – Industrial FLUX GATE CURRENT SENSOR CSNV700N-424 Honeywell 1: HK$692.29 8In Stock New Product	Mfr. Part No. CSNV700N-424 Mouser Part No 785-CSNV700N-424 New Product	Honeywell	Current Sensors – Industrial FLUX GATE CURRENT SENSOR Learn More about Honeywell csnv700 current sensors	Datasheet	8In Stock	HK$692.29 HK$640.50 HK$613.95 HK$560.28 View HK$545.07 HK$522.79 Quote	Min.: 1 Mult.: 1	Industrial Current Sensors		700 A	0.5 %
Current Sensors – Industrial FLUX GATE CURRENT SENSOR CSNV700N-425 Honeywell 1: HK$692.29 8In Stock New Product	Mfr. Part No. CSNV700N-425 Mouser Part No 785-CSNV700N-425 New Product	Honeywell	Current Sensors – Industrial FLUX GATE CURRENT SENSOR Learn More about Honeywell csnv700 current sensors	Datasheet	8In Stock	HK$692.29 HK$640.50 HK$613.87 HK$560.28 View HK$545.07 HK$522.79 Quote	Min.: 1 Mult.: 1	Industrial Current Sensors		700 A	0.5 %
Current Sensors – Industrial FLUX GATE CURRENT SENSOR CSNV700N-454 Honeywell 1: HK$692.29 18In Stock New Product	Mfr. Part No. CSNV700N-454 Mouser Part No 785-CSNV700N-454 New Product	Honeywell	Current Sensors – Industrial FLUX GATE CURRENT SENSOR Learn More about Honeywell csnv700 current sensors	Datasheet	18In Stock	HK$692.29 HK$640.42 HK$621.19 HK$594.63 View HK$574.17 HK$557.73 Quote	Min.: 1 Mult.: 1	Industrial Current Sensors		700 A	0.5 %
Current Sensors – Industrial FLUX GATE CURRENT SENSOR CSNV700N-455 Honeywell 1: HK$692.29 12In Stock New Product	Mfr. Part No. CSNV700N-455 Mouser Part No 785-CSNV700N-455 New Product	Honeywell	Current Sensors – Industrial FLUX GATE CURRENT SENSOR Learn More about Honeywell csnv700 current sensors	Datasheet	12In Stock	HK$692.29 HK$640.50 HK$614.03 HK$549.18 View HK$545.81 HK$524.03 Quote	Min.: 1 Mult.: 1	Industrial Current Sensors		700 A	0.5 %
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 6-NP LEM 1: HK$132.84 369In Stock 200Expected 27/10/2026 New At Mouser	Mfr. Part No. CASR 6-NP Mouser Part No 61-CASR6-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	369In Stock 200Expected 27/10/2026	HK$132.84 HK$118.78 HK$110.39 HK$100.12 View HK$93.13 HK$86.56 HK$86.39 HK$79.24 HK$77.68	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	6 A	0.8 %	300 kHz
Board Mount Current Sensors Current transducer CKSR xx-NP CKSR 50-NP LEM 1: HK$139.99 575In Stock New At Mouser	Mfr. Part No. CKSR 50-NP Mouser Part No 61-CKSR50-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	575In Stock	HK$139.99 HK$126.67 HK$117.71 HK$106.86 View HK$99.30 HK$92.31 HK$92.15 HK$85.57 HK$82.12	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.8 %	300 kHz
Board Mount Current Sensors Current Transducer LA 150-P. For the electronic measurement of currents: DC, AC, pulsed, with galvanic separationn between the primary circuit and the secondary circuit. LA 150-P LEM 1: HK$310.55 87In Stock 100Expected 19/11/2026 New At Mouser	Mfr. Part No. LA 150-P Mouser Part No 61-LA150-P New At Mouser	LEM	Board Mount Current Sensors Current Transducer LA 150-P. For the electronic measurement of currents: DC, AC, pulsed, with galvanic separationn between the primary circuit and the secondary circuit.	Datasheet	87In Stock 100Expected 19/11/2026	HK$310.55 HK$261.89 HK$243.39 HK$220.95 View HK$205.34 HK$199.34	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	150 A	0.5 %	150 kHz
Board Mount Current Sensors Current Transducer LA 205-S For the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). LA 205-S LEM 1: HK$844.77 37In Stock 60Expected 27/10/2026 New At Mouser	Mfr. Part No. LA 205-S Mouser Part No 61-LA205-S New At Mouser	LEM	Board Mount Current Sensors Current Transducer LA 205-S For the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit).	Datasheet	37In Stock 60Expected 27/10/2026	HK$844.77 HK$745.31 HK$707.66 HK$662.20 View HK$648.15 HK$648.06	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	200 A	0.8 %	100 kHz
Board Mount Current Sensors Current Transducer LA 55-P For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. LA 55-P LEM 1: HK$257.29 346In Stock 5,000On Order New At Mouser	Mfr. Part No. LA 55-P Mouser Part No 61-LA55-P New At Mouser	LEM	Board Mount Current Sensors Current Transducer LA 55-P For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit.	Datasheet	346In Stock 5,000On Order On Order Ship Dates Mfr. No: LA 55-P Stock: 346 Can Dispatch Immediately On Order: 4,125 Expected 30/11/2026 875 Expected 1/10/2027 Factory Lead Time: 6 Weeks	HK$257.29 HK$225.23 HK$209.28 HK$189.96 View HK$178.37 HK$171.47 HK$159.22	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.9 %	200 kHz
Board Mount Current Sensors Current Transducer LAH 25-NP For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. LAH 25-NP LEM 1: HK$178.13 119In Stock 600On Order New At Mouser	Mfr. Part No. LAH 25-NP Mouser Part No 61-LAH25-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LAH 25-NP For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary circuit and the secondary circuit. Learn More about LEM lah current sensors	Datasheet	119In Stock 600On Order On Order Ship Dates Mfr. No: LAH 25-NP Stock: 119 Can Dispatch Immediately On Order: 300 Expected 22/12/2026 300 Expected 12/1/2027 Factory Lead Time: 10 Weeks	HK$178.13 HK$162.18 HK$156.26 HK$149.19 View HK$144.34 HK$140.07 HK$133.66 HK$128.97 Quote	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	25 A	0.3 %	200 kHz
Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LES 15-NP LEM 1: HK$124.62 273In Stock New At Mouser	Mfr. Part No. LES 15-NP Mouser Part No 61-LES15-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM les current transducers	Datasheet	273In Stock	HK$124.62 HK$113.03 HK$108.75 HK$103.65 View HK$100.12 HK$93.95 HK$93.87 HK$89.76	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	15 A	0.7 %	300 kHz
Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LES 25-NP LEM 1: HK$129.63 148In Stock New At Mouser	Mfr. Part No. LES 25-NP Mouser Part No 61-LES25-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM les current transducers	Datasheet	148In Stock	HK$129.63 HK$117.63 HK$113.19 HK$107.85 View HK$107.76 HK$93.54	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	25 A	0.7 %	300 kHz
Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LES 50-NP LEM 1: HK$129.96 313In Stock New At Mouser	Mfr. Part No. LES 50-NP Mouser Part No 61-LES50-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM les current transducers	Datasheet	313In Stock	HK$129.96 HK$117.96 HK$113.44 HK$108.18 View HK$108.09 HK$108.01 HK$93.79	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.7 %	300 kHz
Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LES 6-NP LEM 1: HK$128.15 198In Stock 200Expected 18/11/2026 New At Mouser	Mfr. Part No. LES 6-NP Mouser Part No 61-LES6-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LES series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM les current transducers	Datasheet	198In Stock 200Expected 18/11/2026	HK$128.15 HK$116.31 HK$111.87 HK$106.70 View HK$103.08 HK$96.75 HK$96.67 HK$92.48	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	6 A	0.8 %	300 kHz
Board Mount Current Sensors Current Transducer LESR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LESR 25-NP LEM 1: HK$131.27 258In Stock 200Expected 21/12/2026 New At Mouser	Mfr. Part No. LESR 25-NP Mouser Part No 61-LESR25-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LESR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM lesr current transducers	Datasheet	258In Stock 200Expected 21/12/2026	HK$131.27 HK$119.11 HK$114.67 HK$109.24 View HK$105.63 HK$99.22 HK$99.13 HK$94.78	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	25 A	0.85 %	300 kHz
Board Mount Current Sensors Current Transducer LESR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LESR 50-NP LEM 1: HK$135.71 234In Stock New At Mouser	Mfr. Part No. LESR 50-NP Mouser Part No 61-LESR50-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LESR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM lesr current transducers	Datasheet	234In Stock	HK$135.71 HK$123.22 HK$118.61 HK$113.11 View HK$109.33 HK$102.67 HK$102.59 HK$98.15	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	50 A	0.7 %	300 kHz
Board Mount Current Sensors Current Transducer LESR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. LESR 6-NP LEM 1: HK$128.23 273In Stock New At Mouser	Mfr. Part No. LESR 6-NP Mouser Part No 61-LESR6-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LESR series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM lesr current transducers	Datasheet	273In Stock	HK$128.23 HK$116.40 HK$111.96 HK$106.70 View HK$103.16 HK$100.94 HK$100.86	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	6 A	0.75 %	300 kHz
Current Sensors – Industrial Current Transducer LF 310-S. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit. LF 310-S LEM 1: HK$790.68 156In Stock New At Mouser	Mfr. Part No. LF 310-S Mouser Part No 61-LF310-S New At Mouser	LEM	Current Sensors – Industrial Current Transducer LF 310-S. For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit.	Datasheet	156In Stock	HK$790.68 HK$732.24 HK$710.45 HK$684.48 View HK$662.29 HK$646.26	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Transducer	300 A	0.2 %	200 kHz
Current Sensors – Industrial Current Transducer LF 510-S. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation between the primary and secondary circuit. LF 510-S LEM 1: HK$771.86 72In Stock 972On Order New At Mouser	Mfr. Part No. LF 510-S Mouser Part No 61-LF510-S New At Mouser	LEM	Current Sensors – Industrial Current Transducer LF 510-S. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation between the primary and secondary circuit.	Datasheet	72In Stock 972On Order On Order Ship Dates Mfr. No: LF 510-S Stock: 72 Can Dispatch Immediately On Order: 702 Expected 25/12/2026 162 Expected 24/2/2027 108 Expected 10/3/2027 Factory Lead Time: 10 Weeks	HK$771.86 HK$715.06 HK$693.93 HK$666.64 HK$654.48	Min.: 1 Mult.: 1	Industrial Current Sensors	Current Transducer	500 A	0.6 %	200 kHz
Board Mount Current Sensors Current Transducer LKSR series LKSR 6-NP LEM 1: HK$120.75 200In Stock New At Mouser	Mfr. Part No. LKSR 6-NP Mouser Part No 61-LKSR6-NP New At Mouser	LEM	Board Mount Current Sensors Current Transducer LKSR series Learn More about LEM lksr current transducers	Datasheet	200In Stock	HK$120.75 HK$109.49 HK$105.30 HK$90.91 HK$86.89	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	6 A	1.25 %	300 kHz
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 15-NPS LEM 1: HK$121.08 296In Stock New At Mouser	Mfr. Part No. LXS 15-NPS Mouser Part No 61-LXS15-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	296In Stock	HK$121.08 HK$109.82 HK$105.63 HK$100.70 View HK$97.24 HK$92.39 HK$92.31 HK$87.13	Min.: 1 Mult.: 1	Board Mount Current Sensors	Current Transducer	15 A	3 %	300 kHz