Name: BAI20-320 Split-Core Hall Effect Current Transducer | Qiming Automation
Brand: other
Price: 49477.00 CNY
Availability: InStock

Description

The BAI20-320 functions as a closed-loop current transducer, using Hall effect technology to measure current without direct electrical contact, eliminating the risk of signal interference from the primary circuit. It accepts a wide range of input currents—up to 320A AC/DC—and converts them into a proportional 4-20mA or 0-10V output, making it compatible with most PLCs, data loggers, and energy management systems.

BAI20-320

What sets it apart is its ability to maintain accuracy across a broad temperature range, with a total error of less than 0.5% even as ambient conditions fluctuate. The transducer mounts directly onto busbars or cables via its compact split-core design, allowing installation without disconnecting the primary circuit—a major advantage in live systems. The BAI20-320 integrates seamlessly into existing control architectures, with isolated inputs and outputs that prevent ground loops, ensuring clean signal transmission to monitoring devices.

BAI20-320

Technical specifications:
Model Number BAI20-320
Brand Aerotech
Type Split-Core Hall Effect Current Transducer
Input Current Range 0-320A AC/DC
Output Signal 4-20mA or 0-10V (configurable)
Operating Temp Range -40°C to 85°C (-40°F to 185°F)
Mounting Style Split-Core (clamp-on)
Dimensions 65mm x 45mm x 30mm (2.6″ x 1.8″ x 1.2″)
Weight 150g (5.3oz)
Power Supply 18-30V DC
Compliance IEC 61010-1, CE, UL 61010
Accuracy ±0.5% of full scale (at 25°C)
Isolation Voltage 4kV AC (primary to secondary)

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BAI20-320

Main features and advantages:

Choosing the BAI20-320 delivers tangible benefits for both energy management and system reliability. Its rugged split-core design—with a flame-retardant plastic housing rated IP20—ensures durability in harsh industrial environments, from dusty factory floors to humid chemical plants. The non-invasive clamp-on installation eliminates downtime during setup, a critical advantage for retrofitting existing systems where production cannot be paused. Engineers will appreciate the reduced calibration needs; the transducer’s digital compensation circuitry maintains accuracy over its lifetime, cutting maintenance costs compared to analog-only transducers. Most importantly, the BAI20-320 provides the precise data needed to optimize energy usage, identifying inefficiencies like overloaded circuits or underperforming motors that waste energy and increase operational costs.

BAI20-320

Application areas:

The BAI20-320 excels in applications where accurate current measurement directly impacts performance and safety. In industrial motor control centers, it monitors current draw across multiple motors, enabling predictive maintenance by detecting abnormal patterns that signal bearing wear or winding issues. In renewable energy systems, such as solar inverters or wind turbine controllers, it tracks current flow between components, ensuring efficient power conversion and protecting against overloads. The transducer also performs reliably in building automation, where it measures current in HVAC systems and lighting circuits, providing data to optimize energy usage and meet sustainability targets. In each case, the BAI20-320 ensures that current data is both accurate and actionable, proving its value in maintaining system efficiency and uptime.

Related products:

BAI20-160 – Lower range variant for 0-160A measurements in smaller systems

BAI20-640 – Higher capacity model for currents up to 640A in heavy industrial applications

BAI20-320-DC – Specialized for DC-only measurements with enhanced ripple rejection

BAI20-320-ETH – Version with Ethernet/IP output for direct integration into smart grids

BAI20-320-IO – Equipped with IO-Link for advanced diagnostics and parameter adjustment

BAI-Mount-320 – DIN rail mounting adapter for the BAI20-320 in control cabinets

BAI-Cal-Kit – Calibration verification tool for periodic accuracy checks

Installation and maintenance:

Before installing the BAI20-320, verify that the primary conductor diameter fits within the transducer’s split-core opening (max 25mm) to ensure proper clamping. Check that the power supply voltage is within the 18-30V DC range, as under- or overvoltage can affect measurement accuracy.

During installation, ensure the transducer is positioned at least 10cm away from high-voltage cables or transformers to minimize EMI interference. Tighten the split-core clamp securely to prevent vibration-induced measurement errors, but avoid over-tightening that could damage the core. For ongoing maintenance, inspect the electrical connections quarterly for corrosion, especially in humid environments, and clean the core’s inner surface annually to remove dust buildup that might degrade magnetic coupling.

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