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2CCA880129R0001 ABB CMS-101DR 40 A DIN-Rail Current Sensor
ABB CMS-101DR is an 18 mm solid-core 40 A TRMS current sensor with a 0.1–40 A measuring range, <±0.5% full-scale accuracy, AC and DC measurement, DIN-rail mounting and InSite bus connectivity for circuit-level energy monitoring.
£47.12
Why Choose the ABB CMS-101DR 40 A Current Sensor?
The ABB CMS-101DR is a compact 40 A TRMS solid-core current sensor designed for detailed circuit-level measurement within ABB InSite energy-monitoring systems. Its 18 mm solid-core format and universal DIN-rail mounting arrangement allow the sensor to be installed independently of the manufacturer of the protective or switching device used in the final circuit.
The CMS-101DR provides a 0.1–40 A measuring range and measures both AC and DC currents using TRMS measurement. With current accuracy of <±0.5% full scale, the closed-core sensor provides dependable measurement while offering reduced susceptibility to electromagnetic influences from neighbouring circuits.
Measurement information is transmitted through the ABB InSite bus using a 4-pole flat cable to compatible SCU100 and SCU200 control units. Its DIN-rail mounting, compact dimensions and universal application make the CMS-101DR a practical choice for detailed energy monitoring, load supervision and electrical-system analysis in distribution boards.
Key Advantages
- Compact 40 A TRMS current sensor for individual circuit monitoring.
- 0.1–40 A measuring range supports detailed branch-circuit measurement.
- Measures TRMS AC and DC currents.
- <±0.5% full-scale current accuracy supports dependable monitoring.
- 18 mm solid-core construction provides a compact closed-core measurement solution.
- Universal DIN-rail mounting allows use independently of the protective or switching device manufacturer.
- Compatible with ABB SCU100 and SCU200 InSite control units.
- InSite bus connectivity simplifies integration of multiple sensors into a circuit-monitoring system.
Key Features
- ABB CMS current measurement system.
- 40 A rated primary current.
- 18 mm solid-core sensor.
- 0.1–40 A measuring range.
- Universal DIN-rail mounting.
- Measures AC and DC current.
- TRMS current measurement.
- <±0.5% F.S. current accuracy.
- Accuracy class 0.5.
- InSite bus communication via flat cable.
- Compatible with ABB SCU100 and SCU200 control units.
- Supports instantaneous, minimum, maximum and hold current values within the monitoring system.
Flexible DIN-Rail Circuit Monitoring
The ABB CMS-101DR enables individual electrical circuits to be monitored rather than limiting measurement to the overall incoming supply. Its 0.1–40 A measuring range, TRMS measurement and ability to measure both AC and DC currents make it suitable for detailed load monitoring across commercial, industrial and infrastructure electrical distribution systems.
Universal DIN-rail mounting means the sensor can be installed independently of the manufacturer of the associated protective or switching device. Multiple CMS sensors can communicate through the InSite bus with a compatible ABB control unit, providing detailed circuit-level information for energy-efficiency analysis, load supervision and electrical-system management.
Typical Applications
- Branch-circuit current monitoring.
- Commercial building energy-management systems.
- Industrial electrical distribution boards.
- ABB InSite energy-monitoring systems.
- Individual electrical load monitoring.
- Energy-consumption analysis at circuit level.
- Data centres and critical electrical infrastructure.
- Building automation and energy-efficiency projects.
- AC and DC circuit monitoring.
- Distribution boards requiring universal DIN-rail-mounted current sensors.
Technical Specifications
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| Mounting Type | DIN rail | |
|---|---|---|
| Rated Primary Current (A) | 40 A | |
| Aperture (mm) | 10 mm | |
| Accuracy Class | Class 0.5 | |
| Device Type | Current sensor (Hall) | |
| Series | CMS | |
| ABB order code | 2CCA880129R0001 | |
| EAN / GTIN | 7612271426590 | |
| Product type | Current sensor | |
| Sensor construction | Solid core | |
| Sensor format | 18 mm | |
| Rated primary current | 40 A | |
| Measurement method | TRMS | |
| Measuring range | 0.1–40 A | |
| Measured current | AC and DC | |
| Current accuracy | <±0.5% F.S. | |
| Accuracy class | 0.5 | |
| Number of primary inputs | 1 | |
| Rated operational voltage | 690 V AC / 1500 V DC | |
| Rated frequency | 50 Hz | |
| Power consumption at rated load | 0.27 W | |
| Communication interface | InSite bus via flat cable | |
| Compatible control units | SCU100 and SCU200 | |
| Mounting type | DIN rail | |
| Bore diameter | 10 mm | |
| Width | 17.4 mm | |
| Height | 43.2 mm | |
| Depth | 51.5 mm | |
| Operating temperature | -25 to +70 °C | |
| Net weight | 15 g |
Frequently Asked Questions
What is the ABB CMS-101DR used for?
The ABB CMS-101DR is used for individual circuit and load current monitoring within compatible ABB InSite energy-monitoring systems, providing detailed measurement of AC and DC electrical currents.
What is the measurement range of the CMS-101DR?
The CMS-101DR has a measuring range of 0.1–40 A and a rated primary current of 40 A.
Can the ABB CMS-101DR measure both AC and DC current?
Yes. The CMS-101DR provides TRMS measurement of AC and DC currents, including instantaneous, minimum, maximum and hold values when used with the compatible monitoring system.
How accurate is the ABB CMS-101DR?
The CMS-101DR provides current measurement accuracy of <±0.5% of full scale and has an accuracy class of 0.5.
How is the CMS-101DR installed and connected?
The CMS-101DR is an 18 mm solid-core DIN-rail-mounted sensor. Measurement information is transmitted through the ABB InSite bus using a flat cable to compatible control equipment such as the SCU100 or SCU200.
Reliable ABB Circuit and Energy Monitoring
ABB CMS current sensors provide compact and accurate circuit-level measurement for modern energy-monitoring systems, enabling detailed visibility of individual electrical loads with flexible integration into DIN-rail distribution assemblies.
