Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: CSR
  • Model Number: NCA1C
  • Usage: Magnetic Sensor
  • Theory: Current Sensor
  • Output: current
  • Primary Nominal Current: 50...600Arms

Packaging & Delivery

Packaging Details: up to customer
Delivery Detail: one month upon receipt of confirmed order


Series amplifier current sensor
High accuracy Low thermal drift
Good current overload capability
Small size and easy install

Series amplifier current sensor


For the electronic measurement of currents: DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit).


Main technical data:

1. Primary normal current IPN (r.m.s)  Primary current measuring range IP     Type

50A                               +/-150A                        NCA1C-50A

100A                              +/-300A                        NCA1C-100A

200A                              +/-600A                        NCA1C-200A

300A                              +/-900A                        NCA1C-300A

400A                              +/-900A                        NCA1C-400A

500A                              +/-900A                        NCA1C-500A

600A                              +/-900A                        NCA1C-600A

2. Supply voltage(+/-5%):  +/-15V

3.  Current consumption: ≤25mA

4.  Isolation test: Between the primary circuit

to the secondary circuit(+.-.M): 3kVrms/50Hz/1min

5.  Normal output voltage @RL=10Kω,TA=+25 oC: 4V

6.  Loading resistance: ≥10kΩ


Accuracy – Dynamic performance Data

1.  Accuracy @ IPN, TA=+25 oC: +/-1%

2.  Non-linearity (0~ IPN): +/-1%

3.  Electrical offset voltage VOE, TA=+25oC : ≤+/-40mV

4.  Thermal drift of VOE: ≤±1mV/oC(-10 oC ~+70 oC)

5.  Response time (@ 90% of IP): ≤3us        

6. di/dt accurately followed: > 50A/us

7. Frequency bandwidth(0.5dB): DC 0~50kHz


General data:

1.  Operating temperature:  -10 oC ~+70 oC

2.  Storage temperature:  -25 oC ~+85 oC

3.  Weight: approx. 60g±5g

4.  Standards:  EN50178



1. Hall effect measuring principle

2. Galvanic isolation between primary and secondary circuit

3. Insulated plastic case made of white PPO recognized according to UL 94-V0

4. The whole current transducer comply with RoHS Directive completely

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