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2CCA880212R0001 ABB CMS-122PS 20A Open-Core Current Sensor
ABB CMS-122PS 2CCA880212R0001 is an 18 mm open-core 20 A current sensor with a 0.1–20 A measurement range, accuracy class 1 and InSite bus connectivity for compatible pro M compact and SMISSLINE circuit monitoring applications.
£46.91
Why Choose the ABB CMS-122PS 20A Open-Core Current Sensor?
The ABB CMS-122PS, order code 2CCA880212R0001, is a compact 20 A open-core current sensor designed for circuit-level electrical monitoring within ABB Circuit Monitoring and InSite energy management systems. Its open-core construction simplifies installation around existing conductors, making it particularly useful for retrofit monitoring applications where disconnecting the conductor is undesirable.
The CMS-122PS provides a measurement range of 0.1–20 A with accuracy class 1 and current accuracy of ≤±1% of full scale. It combines compact dimensions with dependable circuit-level measurement, enabling individual electrical loads to be incorporated into detailed energy monitoring and distribution management systems.
Designed as an 18 mm open-core sensor for ABB pro M compact and SMISSLINE installation devices with twin terminals, the CMS-122PS integrates neatly into compatible low-voltage distribution equipment. Measurement data is transmitted through the ABB InSite bus flat-cable interface, allowing multiple sensors to be connected within a scalable circuit monitoring architecture.
Key Advantages
- Compact 20 A open-core current sensor for circuit-level monitoring.
- 0.1–20 A measurement range for monitoring lower-current branch circuits and loads.
- Open-core construction supports convenient installation around existing conductors.
- Accuracy class 1 with current accuracy of ≤±1% of full scale.
- Designed for ABB pro M compact and SMISSLINE devices with twin terminals.
- InSite bus flat-cable interface provides straightforward connection to compatible ABB monitoring equipment.
- Compact dimensions make the sensor suitable for high-density electrical distribution boards.
Key Features
- ABB CMS current monitoring system.
- 20 A current sensor.
- 0.1–20 A measurement range.
- Open-core sensor construction.
- Accuracy class 1.
- Current accuracy of ≤±1% of full scale.
- 18 mm sensor format.
- Designed for pro M compact and SMISSLINE installation devices with twin terminals.
- InSite bus communication via flat cable.
- Surface-mounted sensor configuration.
- Operating temperature range of -25 to +70 °C.
- Compact and lightweight design for multi-circuit monitoring installations.
Retrofit-Friendly Circuit-Level Current Monitoring
Open-core current sensors such as the ABB CMS-122PS are particularly useful when circuit monitoring needs to be added to an existing electrical installation. The sensor can be positioned around the conductor without the same installation requirements as a closed-core sensor, helping simplify retrofit work while providing individual circuit measurements for energy analysis and electrical load monitoring.
The CMS-122PS is designed specifically for compatible ABB pro M compact and SMISSLINE devices with twin terminals. Multiple CMS sensors can transmit measurement data through the InSite bus to compatible ABB monitoring equipment, creating a compact and scalable system for gaining detailed visibility of individual electrical circuits.
Typical Applications
- Branch circuit current monitoring.
- ABB InSite energy management systems.
- ABB pro M compact installations.
- ABB SMISSLINE distribution systems.
- Retrofit electrical monitoring projects.
- Commercial and industrial distribution boards.
- Energy consumption and electrical load analysis.
- Building and facility energy management systems.
Technical Specifications
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| Mounting Type | Direct mounting | |
|---|---|---|
| Accuracy Class | Class 1 | |
| Device Type | Split-core CT | |
| Series | CMS | |
| Order code | 2CCA880212R0001 | |
| GTIN / EAN | 7612271452995 | |
| Product group | Energy Monitoring Systems | |
| Product type | Open-core current sensor | |
| Rated current | 20 A | |
| Measurement range | 0.1–20 A | |
| Accuracy class | 1 | |
| Current accuracy | ≤±1% of full scale | |
| Sensor construction | Open core | |
| Sensor format | 18 mm | |
| Mounting type | Surface mounting | |
| Mounting application | pro M compact and SMISSLINE installation devices with twin terminals | |
| Communication interface | InSite bus (flat cable) | |
| Operating temperature | -25 to +70 °C | |
| Dimensions (W × H × L) | 17.4 × 26.5 × 41 mm | |
| Net weight | 0.012 kg | |
| Country of origin | Japan |
Frequently Asked Questions
What is the ABB CMS-122PS used for?
The ABB CMS-122PS is used for circuit-level current monitoring within compatible ABB circuit and energy monitoring systems, allowing individual electrical loads to be measured and incorporated into an energy management system.
What current range can the ABB CMS-122PS measure?
The CMS-122PS is a 20 A current sensor with a specified measurement range of 0.1–20 A.
Is the ABB CMS-122PS an open-core sensor?
Yes. The CMS-122PS uses an open-core construction, making it particularly suitable for retrofit applications where a current sensor needs to be installed around an existing conductor.
Which devices is the CMS-122PS designed for?
The CMS-122PS is an 18 mm open-core sensor designed for compatible ABB pro M compact and SMISSLINE installation devices with twin terminals.
How accurate is the ABB CMS-122PS?
The CMS-122PS has accuracy class 1 and ABB specifies current accuracy of ≤±1% of full scale.
Flexible Open-Core Current Monitoring from ABB
ABB CMS open-core current sensors provide compact circuit-level measurement with installation flexibility, while the CMS-122PS combines a 20 A measurement range, 18 mm format and InSite connectivity for monitoring compatible pro M compact and SMISSLINE electrical circuits.
