Overview
The Honeywell CSNS300F-001 is an industrial-grade closed loop Hall Effect current sensor engineered for precise current measurement in automation, power electronics, and motor control systems. With a 300A current rating and exceptional ±0.5% accuracy, this bidirectional sensor delivers stable, low-noise output across AC and DC applications from 0–600A sensing range. The CSNS300F-001 operates reliably across industrial temperature extremes and integrates seamlessly into measurement systems requiring high repeatability and low offset error.
Key Features
- 300A current rating with ±600A peak sensing capability
- Closed loop Hall Effect design ensures minimal offset drift and high stability
- Bidirectional current measurement for AC and DC applications
- 0.5μs response time for fast transient detection
- Operating range: −40°C to +85°C; suitable for harsh industrial environments
- Ratiometric output; current output format for direct integration with acquisition systems
Technical Specifications
| Current Rating | 300 A |
| Sensing Range | ±600 A (peak) |
| Accuracy | ±0.5% |
| Sensor Type | Closed Loop Hall Effect, Bidirectional |
| Output Type | Ratiometric Current Output |
| Supply Voltage | 12–18 V DC (±15V nom.) |
| Output Current (max) | 14 mA |
| Response Time | 0.5 μs |
| Operating Temperature | −40°C to +85°C |
| Frequency Range | DC to 150 kHz |
| Mounting | Through Hole, Single Pass Through |
| Package Dimensions | 67.5 × 60.7 mm |
| Weight | ~3.37 oz (95.5 g) |
| Channels | 1 (single channel) |
Typical Applications
- Motor control and feedback: Real-time current monitoring in servo drives and variable frequency drives
- Power supply monitoring: DC bus current measurement in industrial power systems
- Battery management: Bidirectional current sensing in energy storage and EV charging
- Renewable energy: Inverter and converter current feedback for PV and wind systems
- Industrial automation: Machine tool and conveyor current protection and diagnostics
Compatibility & Replacements
Compatible With
- Industrial PLCs and automation controllers (Allen-Bradley CompactLogix, ControlLogix, Siemens S7)
- Analog input modules and DAQ systems accepting 4–20mA or ratiometric signals
- Motor drives and power electronics requiring closed loop current feedback
- EtherNet/IP and PROFIBUS systems for distributed current monitoring
- Standard DIN mounting rail and panel integration
Replaces / Drop-In Replacement For
- CSNS300F-002 (±5% accuracy variant)
- CSNS300F-003 (alternative packaging)
- CSNS300M-001 (similar performance profile)
- Legacy open loop current sensors in 300A range where accuracy upgrade needed
Works With
- Studio 5000 (Allen-Bradley) – analog input configuration for closed loop sensors
- TIA Portal (Siemens) – S7-1200/1500 analog modules
- GX Works / GX Developer (Mitsubishi)
- EtherNet/IP and PROFINET gateways
- Standard 4–20mA industrial signal conditioning
