HACS – High Accuracy Current Sensors

Designed for selected SATEC meter models requiring high-accuracy current measurement with direct milliamp inputs. Available in both solid-core and split-core versions, HACS sensors support new installations as well as retrofit projects where existing cabling cannot be disconnected. Compatible SATEC meters are available with:
  • 1A current inputs
  • 5A current inputs
  • HACS milliamp current inputs
Compatible models include:
  • EM132/133 Series
  • PM130 PLUS Series
  • PM135
  • PM172 Series
  • PM174/175
  • BFM136
  • BFM II
  • PRO Series
  • PM180
HACS sensors are used in applications where accurate current measurement and installation flexibility are required across commercial, industrial, residential and utility environments.
The range supports both new-build and retrofit projects, including installations where the metering device must be installed remotely from the load or where existing conductors cannot be disconnected.
Unlike conventional 1A and 5A current transformer systems, HACS sensors operate directly with compatible SATEC meters using low-current milliamp inputs, reducing additional conversion stages within the metering chain.
The low-burden design supports installation distances of up to 200 m between the sensor and the meter without compromising measurement accuracy.
Key functions
  • High Accuracy Measurement
Conventional current transformer systems rely on additional current conversion stages between the transformer and the meter. HACS sensors are designed to operate directly with compatible SATEC meters using milliamp inputs for accurate current measurement.
  • Split-Core and Solid-Core Versions
The HACS range includes both solid-core and split-core versions for different installation requirements. Split-core models simplify retrofit installations where conductors cannot be disconnected.
  • Electronic Safety Switch
Selected HACS models include an integrated electronic safety switch, removing the need for external shorting blocks during installation and maintenance.
  • Remote Installation
HACS sensors support installation distances of up to 200 m between the sensor and the meter, providing additional flexibility where the meter cannot be mounted close to the load.
Standards Compliance
IEC 61869-1 Instrument transformers – Part 1: General requirements
IEC 61869-2 Instrument transformers – Part 2: Additional requirements for current transformers
Installation Notes
All HACS models are supplied with a 2.5 m cable.
Recommended cable extensions should use shielded twisted cable with the shield connected to protective ground.
For best installation practice, HACS cables should be routed separately from high-voltage circuits and strong magnetic fields.
HACS sensors are used in applications where accurate current measurement and installation flexibility are required across commercial, industrial, residential and utility environments.
The range supports both new-build and retrofit projects, including installations where the metering device must be installed remotely from the load or where existing conductors cannot be disconnected.
Unlike conventional 1A and 5A current transformer systems, HACS sensors operate directly with compatible SATEC meters using low-current milliamp inputs, reducing additional conversion stages within the metering chain.
The low-burden design supports installation distances of up to 200 m between the sensor and the meter without compromising measurement accuracy.
Key functions
  • High Accuracy Measurement
Conventional current transformer systems rely on additional current conversion stages between the transformer and the meter. HACS sensors are designed to operate directly with compatible SATEC meters using milliamp inputs for accurate current measurement.
  • Split-Core and Solid-Core Versions
The HACS range includes both solid-core and split-core versions for different installation requirements. Split-core models simplify retrofit installations where conductors cannot be disconnected.
  • Electronic Safety Switch
Selected HACS models include an integrated electronic safety switch, removing the need for external shorting blocks during installation and maintenance.
  • Remote Installation
HACS sensors support installation distances of up to 200 m between the sensor and the meter, providing additional flexibility where the meter cannot be mounted close to the load.
Standards Compliance
IEC 61869-1 Instrument transformers – Part 1: General requirements
IEC 61869-2 Instrument transformers – Part 2: Additional requirements for current transformers
Installation Notes
All HACS models are supplied with a 2.5 m cable.
Recommended cable extensions should use shielded twisted cable with the shield connected to protective ground.
For best installation practice, HACS cables should be routed separately from high-voltage circuits and strong magnetic fields.

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