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Current Sensors · Open Loop · High Current

OPUS Series

High-current open-loop sensing for demanding power-electronic systems.

The OPUS family is designed for precise electronic measurement of DC, AC, pulsed and mixed currents with galvanic isolation between the primary high-power circuit and the secondary electronics.

500–2500 ANominal current range
Up to ±5500 AMeasuring range
5.0 kVGalvanic isolation
5 µsTypical response time
ADISENS OPUS open-loop high-current sensor
Family overview

Six current ratings on one robust high-current platform

All published OPUS J3 references share the same open-loop Hall-effect architecture, ±15 V supply, proportional bipolar analog output, 25 kHz bandwidth and 5 kV dielectric strength.

500 A±1500 A measuring range
850 A±2550 A measuring range
1000 A±3000 A measuring range
1500 A±4500 A measuring range
2000 A±5500 A measuring range
2500 A±5500 A measuring range
Product selection

OPUS J3 reference table

Click a J3 reference to open its controlled technical datasheet in a new tab.

Reference Nominal current Measuring range Sensitivity Supply Accuracy Response Bandwidth Isolation Datasheet
OPUS-500J3 PDF ↗ 500 A ±1500 A 8 mV/A ±15 V ±0.5% typ. 5 µs 25 kHz 5.0 kV Open PDF ↗
OPUS-850J3 PDF ↗ 850 A ±2550 A 4.71 mV/A ±15 V ±0.5% typ. 5 µs 25 kHz 5.0 kV Open PDF ↗
OPUS-1000J3 PDF ↗ 1000 A ±3000 A 4 mV/A ±15 V ±0.5% typ. 5 µs 25 kHz 5.0 kV Open PDF ↗
OPUS-1500J3 PDF ↗ 1500 A ±4500 A 2.67 mV/A ±15 V ±0.5% typ. 5 µs 25 kHz 5.0 kV Open PDF ↗
OPUS-2000J3 PDF ↗ 2000 A ±5500 A 2 mV/A ±15 V ±0.5% typ. 5 µs 25 kHz 5.0 kV Open PDF ↗
OPUS-2500J3 PDF ↗ 2500 A ±5500 A 1.6 mV/A ±15 V ±0.5% typ. 5 µs 25 kHz 5.0 kV Open PDF ↗
Connection options

Additional connection configurations are available

The J3 configuration is the currently documented standard on this page. Depending on the project, OPUS can also be supplied with alternative secondary connection formats.

J3Published standard configuration · datasheets available above
M4Alternative connector configuration · available on request
C3-23-wire cable output · 20 cm · available on request
Custom OPUS Need another current range, connector or cable configuration?
Request a Custom Product →
Engineering performance

Designed for high-power current measurement

High Accuracy

±0.5% typical accuracy at 25°C across the published OPUS J3 range.

Wide Dynamic Range

Nominal ratings from 500 A to 2500 A with measuring ranges extending up to ±5500 A.

Fast Response

5 µs typical response time and 25 kHz bandwidth for dynamic current waveforms.

Galvanic Isolation

5.0 kV dielectric strength between primary and secondary circuits.

Harsh Environment Capability

Operating temperature range from −40°C to +105°C for demanding industrial environments.

Standards & Compliance

Electrical-safety and environmental references

The supplied OPUS J3 datasheets identify IEC 61010-1 and EN 50178 as relevant electrical-safety references. CE conformity and RoHS / REACH documentation are available from ADISENS.

IEC 61010-1Electrical-safety reference for measurement and control equipment integration.
EN 50178Electronic equipment for use in power installations.
CEEU conformity information and Declaration of Conformity available on request.
RoHS / REACHEnvironmental compliance declarations available on request.
Selection support

Need help selecting the right OPUS?

Share your nominal current, measuring range, output and application with our technical team.

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Custom engineering

Need another connector or cable configuration?

Start from a standard OPUS reference and define your required current rating, connector, cable and system-integration constraints.

Request a Custom Solution