Why Choose the ABB CMS-120PS 80 A Open-Core Current Sensor?
The ABB CMS-120PS is a compact open-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 provides accurate current measurement for individual electrical circuits while enabling straightforward integration into compatible ABB InSite energy-monitoring systems.
Designed for direct installation with compatible ABB pro M compact and SMISSLINE devices with twin terminals, the CMS-120PS features an open-core construction that simplifies installation around conductors. This design is particularly useful for monitoring applications where convenient fitting and compact dimensions are important within electrical distribution equipment.
With a measurement range of 0.1–80 A, accuracy class 1 and an InSite bus flat-cable interface, the CMS-120PS provides dependable circuit-level measurement for energy and load monitoring. ABB order code 2CCA880210R0001 identifies this 80 A open-core CMS sensor.
Key Advantages
- Compact 80 A open-core current sensor for branch-circuit monitoring.
- Wide 0.1–80 A measurement range for individual electrical loads.
- Open-core construction simplifies installation around monitored conductors.
- Designed for compatible ABB pro M compact and SMISSLINE devices with twin terminals.
- Accuracy class 1 for dependable current monitoring.
- Integrates with compatible ABB InSite systems through the InSite bus flat-cable interface.
Key Features
- ABB CMS Circuit Monitoring System sensor.
- 80 A rated sensor range.
- 0.1–80 A measurement range.
- 18 mm open-core sensor construction.
- Accuracy class 1.
- Current accuracy of ≤±1% full scale.
- InSite bus flat-cable interface.
- Designed for pro M compact and SMISSLINE installation devices with twin terminals.
- Compact construction for high-density electrical distribution equipment.
- Operating ambient temperature range of -25 to +70 °C.
Flexible Circuit Monitoring for Energy Management
Current sensors such as the ABB CMS-120PS enable individual electrical circuits to be monitored within a wider energy-management system. Detailed branch-level current information helps operators understand load behaviour, analyse energy usage and identify unusual operating conditions across electrical distribution systems.
The CMS-120PS combines an open-core construction with compact dimensions and ABB's InSite flat-cable architecture. This enables efficient installation within compatible pro M compact and SMISSLINE distribution equipment while simplifying the connection of multiple current sensors to a central monitoring system.
Typical Applications
- ABB CMS and InSite energy-monitoring systems.
- ABB pro M compact electrical installations.
- ABB SMISSLINE distribution systems.
- Branch-circuit current monitoring.
- Electrical distribution boards and switchboards.
- Commercial building energy monitoring.
- Industrial electrical load monitoring.
- Energy-consumption and load analysis.
