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2CSG280665R1000 ABB CT1M-12 3000 Current Transformer 3000/5 A
ABB CT1M-12 3000 is a 3000/5 A through-primary current transformer with Class 0.5 accuracy and 30 VA rated output for high-current indirect electrical metering and energy-monitoring applications.
£264.36
Why Choose the ABB CT1M-12 3000 Current Transformer?
The ABB CT1M-12 3000 is a high-capacity 3000/5 A current transformer designed for indirect measurement of electrical current in low-voltage metering and energy-monitoring systems. As part of the ABB CT1M current transformer series, it transforms a high primary current into a standardised 5 A secondary current suitable for compatible ammeters, multifunction meters and energy meters.
Designed in accordance with IEC 61869-2, the CT1M-12 3000 provides a best accuracy class of 0.5 and an FS 10 instrument security factor. Its closed-core through-primary construction is designed for large busbar installations, making it particularly suitable for high-current switchboards, main distribution systems and industrial energy-monitoring applications.
With a rated primary current of 3000 A, rated secondary current of 5 A and rated frequency of 50–60 Hz, the CT1M-12 3000 provides dependable measurement for substantial electrical loads. It offers a rated output of 30 VA at Class 0.5 and 60 VA at Class 1 and Class 3, while its large through-primary opening accommodates a horizontal busbar section up to 125 × 93 mm.
Key Advantages
- High-capacity 3000/5 A current transformation for indirect electrical measurement.
- Best accuracy class 0.5 for precise metering applications.
- 30 VA rated output at Class 0.5 for compatible measuring circuits.
- Designed in accordance with IEC 61869-2.
- FS 10 instrument security factor for metering applications.
- Large through-primary opening suitable for high-current busbar installations.
- Busbar and mounting-foot fixings supplied as standard for convenient installation.
Key Features
- ABB CT1M-12 current transformer series.
- 3000 A rated primary current.
- 5 A rated secondary current.
- 3000/5 A transformation ratio.
- Accuracy class 0.5 with 30 VA rated output.
- 60 VA rated output at Class 1.
- 60 VA rated output at Class 3.
- 50–60 Hz rated frequency.
- FS 10 instrument security factor.
- IP20 protection rating.
- Through-primary construction with a 125 × 93 mm maximum horizontal busbar section.
Reliable Current Measurement for High-Current Distribution
Current transformers allow measuring equipment to monitor high electrical currents without routing the full primary current directly through the measuring instrument. The ABB CT1M-12 3000 converts a 3000 A primary current proportionally to a standard 5 A secondary signal, enabling compatible ammeters, multifunction meters and energy meters to perform indirect measurement safely and effectively.
The CT1M range is designed for electrical distribution and energy-efficiency applications where accurate and dependable current measurement is required. The CT1M-12 format provides a large through-primary opening for substantial busbars, while its defined accuracy classes and VA ratings make it suitable for demanding metering circuits in high-current commercial and industrial installations.
Typical Applications
- High-current electrical energy metering systems.
- Main low-voltage distribution switchboards.
- Industrial power-distribution panels.
- Indirect current measurement with ammeters.
- Multifunction electrical measuring instruments.
- Energy monitoring and management systems.
- Large commercial and industrial busbar installations.
Technical Specifications
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| Rated Burden (VA) | 30 VA | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 3000 A | |
| Secondary Current / Output | 5 A | |
| Accuracy Class | Class 0.5 | |
| Series | CT1M-12 | |
| Order code | 2CSG280665R1000 | |
| Product type | Current transformer | |
| Primary rated current | 3000 A | |
| Secondary rated current | 5 A | |
| Transformation ratio | 3000/5 A | |
| Best accuracy class | 0.5 | |
| Rated output, Class 0.5 | 30 VA | |
| Rated output, Class 1 | 60 VA | |
| Rated output, Class 3 | 60 VA | |
| Instrument security factor | FS 10 | |
| Rated frequency | 50–60 Hz | |
| Standard | IEC 61869-2 | |
| Protection rating | IP20 | |
| Primary type | Through primary | |
| Maximum horizontal busbar section | 125 × 93 mm | |
| Dimensions (H × W × D) | 206 × 225 × 50 mm | |
| Weight | 2.04 kg |
Frequently Asked Questions
What is the ABB CT1M-12 3000 used for?
The CT1M-12 3000 is used for indirect measurement of high electrical currents, transforming the primary current into a standard 5 A secondary current suitable for compatible meters and monitoring equipment.
What is the transformation ratio of the CT1M-12 3000?
The transformer has a rated primary current of 3000 A and a rated secondary current of 5 A, giving a 3000/5 A transformation ratio.
What accuracy class does this current transformer provide?
The CT1M-12 3000 has a best accuracy class of 0.5, with a rated output of 30 VA at Class 0.5.
What busbar size can the ABB CT1M-12 3000 accommodate?
The through-primary CT1M-12 3000 accommodates a horizontal busbar section up to 125 × 93 mm, making it suitable for large high-current distribution conductors.
Which standard applies to the ABB CT1M-12 3000?
The ABB CT1M-12 3000 is designed in accordance with IEC 61869-2 for instrument current transformers.
Trusted ABB Metering Technology
ABB CT1M current transformers provide dependable current transformation for indirect electrical measurement, supporting accurate metering and energy monitoring across commercial and industrial power-distribution systems.
