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2CCA880138R0001 ABB CMS-202S8 40A S800 Current Sensor
ABB CMS-202S8 2CCA880138R0001 is a 25 mm solid-core 40 A TRMS current sensor with a 0.1–20 A measurement range, accuracy class 0.5 and InSite bus connectivity for compatible ABB S800 circuit monitoring applications.
£80.67
Why Choose the ABB CMS-202S8 40A Current Sensor?
The ABB CMS-202S8, order code 2CCA880138R0001, is a compact 40 A solid-core current sensor designed for circuit-level electrical monitoring within ABB energy monitoring systems. Part of the ABB CMS current sensor range, it uses a 25 mm format specifically designed for compatible ABB S800 installation devices with cage terminals.
The CMS-202S8 provides TRMS measurement of AC and DC current across a measuring range of 0.1–20 A. With accuracy class 0.5 and current accuracy of ≤±0.5% of full scale, it provides precise circuit-level data for energy monitoring, load analysis and electrical distribution management.
Its 25 mm closed solid-core construction provides a compact monitoring solution for S800 installations while helping reduce susceptibility to electromagnetic effects from neighbouring circuits. Measurement data can be transmitted through the ABB InSite bus flat-cable interface to compatible monitoring equipment, supporting scalable multi-circuit energy management systems.
Key Advantages
- Compact 40 A solid-core current sensor for circuit-level electrical monitoring.
- 0.1–20 A measuring range for detailed monitoring of lower-current loads.
- TRMS measurement of AC and DC current for comprehensive circuit monitoring.
- Accuracy class 0.5 for precise electrical measurement.
- Designed specifically for compatible ABB S800 installation devices with cage terminals.
- InSite bus flat-cable interface provides straightforward connection to compatible ABB monitoring systems.
- Compact solid-core construction supports high-density monitoring within electrical distribution systems.
Key Features
- ABB CMS current monitoring system.
- 40 A sensor rating.
- 0.1–20 A measurement range.
- TRMS AC and DC current measurement.
- Accuracy class 0.5.
- Current accuracy of ≤±0.5% of full scale.
- 25 mm solid-core / closed-core construction.
- Designed for ABB S800 devices with cage terminals.
- InSite bus communication via flat cable.
- Suitable for circuit-level energy and load monitoring.
- Operating temperature range of -25 to +70 °C.
- Compact design for integration into commercial and industrial distribution systems.
Integrated Current Monitoring for ABB S800 Systems
The ABB CMS-202S8 enables individual circuits within compatible S800 electrical distribution systems to be incorporated into a detailed monitoring architecture. TRMS measurement of AC and DC current provides useful circuit-level information for understanding electrical loads, analysing consumption patterns and improving visibility of distribution system performance.
Its 25 mm solid-core format is designed specifically for compatible ABB S800 devices with cage terminals. By transmitting measured values through the ABB InSite bus, multiple CMS sensors can be integrated into a scalable monitoring system for commercial, industrial and critical-power applications.
Typical Applications
- ABB S800 circuit monitoring.
- ABB energy monitoring systems.
- Commercial and industrial distribution boards.
- Branch circuit current monitoring.
- Electrical load and consumption analysis.
- Industrial power distribution systems.
- Data centre and critical power monitoring.
- Building energy management systems.
Technical Specifications
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| Accuracy Class | Class 0.5 | |
|---|---|---|
| Rated Primary Current (A) | 40 A | |
| Aperture (mm) | 15 mm | |
| Device Type | Current sensor (Hall) | |
| Series | CMS | |
| Order code | 2CCA880138R0001 | |
| EAN | 7612271426668 | |
| Product group | Energy Monitoring Systems | |
| Product type | Closed-core current sensor | |
| Sensor rating | 40 A | |
| Measurement range | 0.1–20 A | |
| Measured current | AC and DC | |
| Measurement method | TRMS | |
| Accuracy class | 0.5 | |
| Current accuracy | ≤±0.5% of full scale | |
| Sensor construction | Closed core / solid core | |
| Sensor format | 25 mm | |
| Mounting application | ABB S800 installation devices with cage terminals | |
| Communication interface | InSite bus (flat cable) | |
| Operating temperature | -25 to +70 °C | |
| Dimensions (W × H × L) | 26.5 × 26.5 × 45.5 mm | |
| Net weight | 0.028 kg | |
| Country of origin | Switzerland |
Frequently Asked Questions
What is the ABB CMS-202S8 used for?
The ABB CMS-202S8 is used for circuit-level AC and DC current monitoring in compatible ABB S800 installations, providing measurement data for energy management, load analysis and electrical distribution monitoring.
What is the measurement range of the ABB CMS-202S8?
The CMS-202S8 is designated as a 40 A sensor and has a specified measurement range of 0.1–20 A.
Which installation devices are compatible with the CMS-202S8?
The CMS-202S8 uses a 25 mm solid-core format designed for compatible ABB S800 installation devices with cage terminals.
How accurate is the ABB CMS-202S8?
The CMS-202S8 has an accuracy class of 0.5, with current accuracy specified at ≤±0.5% of full scale.
How does the ABB CMS-202S8 connect to the monitoring system?
The CMS-202S8 uses the ABB InSite bus flat-cable interface to transmit measurement data to compatible ABB monitoring equipment, allowing multiple current sensors to form part of a scalable circuit monitoring system.
Integrated S800 Current Monitoring from ABB
ABB CMS current sensors provide compact and accurate circuit-level measurement, while the CMS-202S8 combines a 25 mm solid-core design, TRMS AC and DC measurement and dedicated S800 compatibility for detailed monitoring within modern electrical distribution systems.
