CSNF161-101 Closed-loop Current Sensor 100A Rated ±150A Range with ±0.5% Accuracy for Industrial Control Systems
High-precision CSNF161-101 closed-loop current sensor featuring ±0.5% accuracy, <0.5μs response time, and 3kVRMS electrical isolation. Supports DC, AC, and pulse current measurement up to ±150A with wide operating temperature range (-40℃ to +85℃). Ideal for variable frequency drives, robotics, welding equipment, and feedback control systems requiring reliable current monitoring.
Fast Response
< 0.5μs
Place of Origin
USA
Packaging Details
Standard packaging
Wide Operating Temperature Range
-40℃ to +85℃
Coil Resistance
30Ω
Model Number
CSNF161 CSNF161-101
Product Description
Product Overview
The CSNF161-101 is a high-performance closed-loop current sensor utilizing Hall effect technology and zero-flux balance methodology. This advanced sensor maintains zero magnetic flux in the core at all times, delivering exceptional accuracy for demanding industrial applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Rated Current | 100A |
| Measurement Range | ±150A (DC, AC, pulse) |
| Accuracy | ±0.5% |
| Response Time | <0.5μs |
| Isolation Voltage | 3kVRMS/50kHz/1min |
| Operating Temperature | -40℃ to +85℃ |
| Power Supply | ±12V to ±15V DC (±5%) |
Technical Features
- High Precision: ±0.5% accuracy ensures reliable measurements
- Ultra-Fast Response: <0.5μs response time for real-time monitoring
- Electrical Isolation: 3kVRMS isolation between primary and secondary circuits
- Robust Overload Protection: Withstands high overload currents
- Wide Temperature Range: Operates from -40℃ to +85℃
- Advanced Technology: Hall effect with zero-flux balance method
Industrial Applications
- Variable Frequency Drives - Current monitoring and equipment protection
- Overcurrent Protection Systems - Real-time circuit monitoring
- Power Supply Monitoring - Ensures stable output and protection
- Feedback Control Systems - Provides accurate current data for precision control
- Robotics - Motor current monitoring for motion control and diagnostics
- Welding Equipment - Current monitoring for quality assurance and safety
Physical Specifications
| Parameter | Value |
|---|---|
| Dimensions | 36.5mm (W) × 29.8mm (L/H) × 14.5mm (D) |
| Mounting Type | PCB mount, through-hole |
| Housing Material | PBT |
| Package Type | Module, single pass-through |
Compliance & Standards
- RoHS Compliant
- No SVHC (Substances of Very High Concern)
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