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A82-20500 – CURRENT TRANSFORMER 500 AAC
Carlo Gavazzi A82-20500 current transformer, a 500 A AC true RMS current metering device with 4–20 mA output designed for industrial monitoring and PLC automation systems.
£171.96
Why Choose the Carlo Gavazzi A82-20500 Current Transformer?
The Carlo Gavazzi A82-20500 is a true RMS AC current metering transformer designed for accurate measurement and monitoring of high-current electrical systems in industrial automation, control panels and energy management applications. As part of the trusted Carlo Gavazzi A82 series, it provides a reliable interface between AC current measurement and PLCs, monitoring relays and industrial control equipment.
The A82-20500 converts measured AC current into a standard 4–20 mA DC analogue output signal, allowing direct integration with PLC analogue inputs and automation systems. Its compact chassis-mounted design, robust construction and true RMS measurement technology make it suitable for continuous industrial current monitoring applications.
With a rated input current range of 0–500 A AC, the A82-20500 is ideal for monitoring larger industrial loads, machinery circuits and electrical distribution systems where accurate current feedback is required.
Key Advantages
- True RMS AC current measurement for accurate industrial monitoring.
- 500 A AC input range suitable for high-current applications.
- 4–20 mA DC analogue output for PLC and control system integration.
- Compact chassis mounting design for electrical installations.
- Non-invasive current measurement through the central conductor aperture.
- Reliable Carlo Gavazzi engineering for industrial environments.
Key Features
- Carlo Gavazzi A82 current transformer series.
- 0–500 A AC current input range.
- 4–20 mA DC sink output signal.
- True RMS measurement technology.
- Compatible with PLC analogue inputs and monitoring relays.
- Green LED indication for power supply status.
- Solid-core non-invasive current sensing design.
- Chassis mounting format for industrial control panels.
Reliable Current Monitoring for Industrial Systems
Current transformers such as the Carlo Gavazzi A82-20500 allow electrical current levels to be accurately measured and converted into standard analogue signals. This enables industrial automation systems to monitor equipment operation, identify changing load conditions and improve process reliability.
The A82 series is designed for simple integration into PLC-based control systems and industrial monitoring solutions. Its true RMS measurement capability, flexible analogue output and compact industrial housing provide a dependable solution for AC current monitoring applications.
Typical Applications
- Industrial machine current monitoring.
- Electrical control panels and switchboards.
- Motor load monitoring systems.
- PLC-based automation installations.
- Energy monitoring and management systems.
- Industrial equipment diagnostics.
Technical Specifications
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| Secondary Current / Output | 4–20 mA | |
|---|---|---|
| Device Type | Solid-core CT | |
| IP Rating | IP40 | |
| Manufacturer | Carlo Gavazzi | |
| Series | A82 Current Transformers | |
| Model | A82-20500 | |
| Product type | True RMS AC current metering transformer | |
| Input current range | 0–500 A AC | |
| Maximum continuous current | 600 A AC | |
| Maximum overload current | 3000 A AC for 30 s | |
| Output signal | 4–20 mA DC sink | |
| Power supply | 10–40 V DC | |
| Rated insulation voltage input/output | 1000 V AC rms | |
| Dielectric strength | 6 kV AC rms | |
| Rated impulse withstand voltage | 12 kV (1.2/50 μs) | |
| Frequency range | 40 Hz–1 kHz | |
| Protection rating | IP40 | |
| Operating temperature | -20 °C to +50 °C | |
| Dimensions (L × W × H) | 95 × 20 × 67.5 mm | |
| Mounting type | Chassis mounting | |
| Weight | approx. 270 g | |
| Approvals | CE marking, cURus |
Frequently Asked Questions
What is the Carlo Gavazzi A82-20500 used for?
The A82-20500 is used for measuring and monitoring AC current in industrial automation systems, electrical panels and PLC-based control applications.
What current range does the A82-20500 measure?
The Carlo Gavazzi A82-20500 measures AC current up to 500 A AC.
What output signal does this current transformer provide?
The A82-20500 provides a standard 4–20 mA DC output suitable for PLC analogue inputs and industrial monitoring systems.
Can the A82-20500 connect directly to a PLC?
Yes, the A82-20500 is designed for direct connection to PLC systems and compatible industrial automation equipment.
Where is this current transformer installed?
The A82-20500 is typically installed in electrical control panels and industrial automation systems for continuous current measurement.
Trusted by Industrial Automation Professionals
Carlo Gavazzi A82 current transformers are widely used in industrial monitoring and automation systems to provide accurate AC current measurement and reliable control feedback.
