Why Choose the ABB CMS-101S8 40 A Current Sensor?
The ABB CMS-101S8 is a compact and accurate solid-core current sensor designed for branch-circuit monitoring and energy-management applications. As part of the ABB CMS Circuit Monitoring System, this 18 mm sensor measures AC and DC currents using True RMS technology and provides detailed current data for compatible ABB InSite monitoring systems.
Specifically designed for ABB S800 installation devices with cage terminals, the CMS-101S8 provides a space-efficient monitoring solution for electrical distribution equipment. Its closed solid-core construction offers high measurement accuracy and reduced sensitivity to electromagnetic influences from adjacent circuits, making it well suited to high-density switchboards and distribution panels.
With a measurement range of 0.1–40 A, current accuracy of 0.5% full scale and an InSite bus flat-cable interface, the CMS-101S8 provides dependable circuit-level measurement with straightforward system integration. ABB order code 2CCA880125R0001 identifies this 40 A S800-mounted CMS sensor.
Key Advantages
- Compact 40 A solid-core current sensor for branch-circuit monitoring.
- Purpose-designed for ABB S800 installation devices with cage terminals.
- Wide 0.1–40 A measurement range for individual electrical loads.
- Accurate 0.5% full-scale current measurement.
- Supports AC and DC True RMS measurement.
- Integrates with compatible ABB InSite systems through the InSite bus flat-cable interface.
Key Features
- ABB CMS Circuit Monitoring System sensor.
- 40 A rated primary current.
- 0.1–40 A measurement range.
- 18 mm solid-core sensor construction.
- True RMS (TRMS) current measurement.
- Measures AC and DC current.
- Current accuracy of 0.5% full scale.
- InSite bus flat-cable interface.
- Compatible with SCU100 and SCU200 control units.
- Designed for compatible S800 devices with cage terminals.
- Operating ambient temperature range of -25 to +70 °C.
Accurate Circuit Monitoring for S800 Installations
Current sensors such as the ABB CMS-101S8 enable individual circuits to be monitored within a wider energy-management system. Detailed branch-level current measurements give operators greater visibility of electrical loads, helping with energy-consumption analysis, load supervision and identification of unusual operating conditions.
The CMS-101S8 is specifically configured for compatible ABB S800 devices with cage terminals. Its compact 18 mm solid-core construction and InSite flat-cable connection enable multiple sensors to be incorporated efficiently into distribution equipment where installation space and wiring simplicity are important.
Typical Applications
- ABB S800 electrical distribution systems.
- ABB CMS and InSite energy-monitoring systems.
- Branch-circuit current monitoring.
- Electrical distribution boards and switchboards.
- Industrial electrical load monitoring.
- Commercial building energy monitoring.
- Data centre and infrastructure power monitoring.
- AC and DC energy-consumption and load analysis.
