CAS, CASR, CKSR

Compact Fluxgate based current transducers single supplied (+5V)

CAS, CASR, CKSR - Fluxgate sensors

The CAS, CASR, and CKSR series encompass current sensors tailored for the electronic measurement of DC, AC, and pulsed current, ranging from 1.5 A RMS to 75 A RMS, with galvanic isolation between the primary and secondary circuits.

These product families feature compact Fluxgate-based current transducers, single-supplied (+5V), and boast low offset and gain drift, with a measuring range extending up to 3 times Ipn. Additionally, CAS, CASR, and CKSR sensors are designed for PCB mounting.

CAS and CASR sensors feature 3 primary pins, catering to small current measurements from 2 to 50 ARMS nominal (6A, 15A, 25A, and 50A models).

CKSR sensors, in particular, boast 4 primary pins, with the CKSR 75-NP version even featuring 5 primary conductors, along with higher creepage and clearance distances. It supports small current measurements from 1.5 to 75 ARMS nominal (6A, 15A, 25A, 50A, and 75A models).

Finally, it's worth noting that while CASR and CKSR sensors feature reference access, CAS parts are not.

Operating on closed-loop Fluxgate technology, CAS, CASR, and CKSR parts are predominantly engineered for industrial applications.

CAS - CASR - CKSR

CAS - CASR - CKSR

主要特点:

  • 低温漂
  • 测量范围可高达额定电流的3倍
  • 12个多量程的产品(每种类型4个产品)
  • PCB 封装
  • 从1.5 到 50 ARMS的隔离式交直流小电流测量 (6A, 15A, 25A 和 50A )
  • 紧凑型设计
  • 只占用2.93平方厘米PCB板安装面积来承受9克的重量
  • 高精度:在+85°C时:
    • CAS: 额定电流的2.5 到 3%
    • CASR & CKSR: 额定电流的1.2 到 1.8%

优势:

  • 绝缘试验电压: 4.3KVRMS / 50 Hz / 1 min
  • 工作温度: -40°C 到 +85°C
  • 电压输出
  • 带宽 DC 到 300 KHz (+/- 3dB), 200KHz (+/- 1dB)
  • 相应时间短 <0.3µs
  • CASR & CKSR: 可以在附加引脚上获取参考电压
  • CKSR: 原边有4个引脚,爬电距离更大(8.2 mm),绝缘性能更好
  • 每个产品都可以通过原边接线设置成不同的量程

LEM CAS, CASR, CKSR – Download & Technical Characteristic

CAS Series


Product Document Primary nominal RMS voltage Supply Voltage range Op. Temperature
CAS 6-NP

Datasheet
3D

6 A 5 to 5 -40 to 85°C
CAS 15-NP

Datasheet
3D

15 A 5 to 5 -40 to 85 °C
CAS 25-NP Datasheet
3D
25 A 5 to 5 -40 to 85°C
CAS 50-NP Datasheet
3D
50 A 5 to 5 -40 to 85°C

 

CASR Series

 

Product Document Primary nominal RMS voltage Supply Voltage range Op. Temperature
CASR 6-NP

Datasheet
3D

6 A 5 to 5 -40 to 105 °C
CASR 6-NP/SP6

Datasheet
3D

6 A 5 to 5 -40 to 105 °C
CASR 15-NP Datasheet
3D
15 A 5 to 5 -40 to 105 °C
CASR 25-NP Datasheet
3D
25 A 5 to 5 -40 to 105 °C
CASR 25-NP/SP6 Datasheet 25 A 5 to 5 -40 to 105 °C
CASR 50-NP Datasheet
3D
50 A 5 to 5 -40 to 105 °C

 

CKSR Series

 

Product Document Primary nominal RMS voltage Supply Voltage range Op. Temperature
CKSR 6-NP

Datasheet
3D

6 A 5 to 5 -40 to 105 °C
CKSR 15-NP

Datasheet
3D

15 A 5 to 5 -40 to 105 °C
CKSR 25-NP Datasheet
3D
25 A 5 to 5 -40 to 105 °C
CKSR 50-NP Datasheet
3D
50 A 5 to 5 -40 to 105 °C
CKSR 50-NP/SP1 Datasheet 50 A 5 to 5 -40 to 105 °C
CKSR 75-NP Datasheet
3D
75 A 5 to 5 -40 to 105 °C

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