Product Overview
The CAS / CASR / CKSR series current transducers offer highly accurate, insulated measurements from 1.5 to 50 ARMS. Utilizing advanced Closed Loop Fluxgate technology, these transducers are designed for power electronics applications, providing enhanced performance, improved accuracy over temperature ranges, and a compact size. They are ideal for drives and inverters in industrial environments requiring superior common mode influence, thermal drift, accuracy, response time, and insulation.
Product Attributes
- Brand: LEM
- Technology: Closed Loop Fluxgate
- Insulation: Simple isolation according to EN 50178 standard (rated insulation voltage up to 1000 VRMS, OV 3, PD2)
- Compatibility: 100% PCB mounted, compatible with LTS and LTSR footprints
Technical Specifications
| Model | Primary Nominal Current (IPN) [ARMS] | Nominal Output Voltage (VOUT) [V] | Primary Resistance (RP) [m] (typ. at +25C) | Primary Turns | Mechanical Dimensions (Height) | Insulation Voltage |
|---|---|---|---|---|---|---|
| CAS / CASR / CKSR Series (General) | 1.5 to 50 | 2.5 (0.6 to 0.625) | 0.24 to 2.16 | 1 to 3 | 16.5 mm | 1000 VRMS |
| CAS 6-NP | 6 | 2.5 0.625 | 0.24 | 1 | 16.5 mm | 1000 VRMS |
| CAS 15-NP | 15 | 2.5 0.600 | 1.08 | 2 | 16.5 mm | 1000 VRMS |
| CAS 25-NP | 25 | 2.5 0.600 | 2.16 | 3 | 16.5 mm | 1000 VRMS |
| CAS 50-NP (Expected) | 50 | N/A | N/A | N/A | 16.5 mm | 1000 VRMS |
2410311310_LEM-CAS15-NP_C5891311.pdf
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