Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2CSG280715R1000 ABB CT1M-10 4000 Current Transformer 4000/5 A
ABB CT1M-10 4000 is a 4000/5 A through-primary current transformer with Class 0.5 accuracy and 60 VA rated output for high-current indirect electrical metering and energy-monitoring applications.
£247.35
Why Choose the ABB CT1M-10 4000 Current Transformer?
The ABB CT1M-10 4000 is a high-capacity 4000/5 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 high primary currents into a standardised 5 A secondary current suitable for connection to compatible meters and electrical measuring instruments.
Designed in accordance with IEC 61869-2, the CT1M-10 4000 provides a best accuracy class of 0.5 for dependable metering of substantial electrical loads. Its through-primary construction accommodates cables and horizontal or vertical busbars, making it suitable for main distribution boards, industrial switchboards and high-current energy-monitoring installations.
With a rated primary current of 4000 A, rated secondary current of 5 A and rated frequency of 50–60 Hz, the CT1M-10 4000 is designed for demanding electrical measurement applications. It provides a rated output of 60 VA at Class 0.5, Class 1 and Class 3, while the CT1M-10 frame accommodates cables up to 86 mm and busbars up to 100 × 30 mm, 80 × 50 mm or 70 × 60 mm.
Key Advantages
- High-capacity 4000/5 A current transformation for indirect electrical measurement.
- Best accuracy class 0.5 for precise metering applications.
- 60 VA rated output at Class 0.5 for demanding measuring circuits.
- Designed in accordance with IEC 61869-2.
- Through-primary design suitable for cable and busbar installations.
- Accommodates cables up to 86 mm through the primary opening.
- Busbar and mounting-foot fixings are supplied as standard for convenient installation.
Key Features
- ABB CT1M-10 current transformer series.
- 4000 A rated primary current.
- 5 A rated secondary current.
- 4000/5 A transformation ratio.
- Accuracy class 0.5 with 60 VA rated output.
- 60 VA rated output at Class 1.
- 60 VA rated output at Class 3.
- 50–60 Hz rated frequency.
- IP20 protection rating.
- Through-primary construction for indirect current measurement.
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-10 4000 converts a 4000 A primary current proportionally to a standard 5 A secondary signal, enabling compatible ammeters, multifunction meters and energy meters to perform indirect current measurement.
The CT1M range is designed for electrical distribution and energy-efficiency applications where accurate and dependable current measurement is required. The CT1M-10 through-primary format provides installation flexibility for cables and busbars, while its Class 0.5 accuracy and 60 VA rated output make this model particularly suitable for substantial metering circuits in high-current commercial and industrial installations.
Typical Applications
- High-current electrical energy metering systems.
- Main low-voltage distribution switchboards.
- Industrial electrical distribution panels.
- Indirect current measurement with ammeters.
- Multifunction electrical measuring instruments.
- Energy monitoring and management systems.
- High-current commercial and industrial power-distribution installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Rated Burden (VA) | 60 VA | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 4000 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 86 mm | |
| Accuracy Class | Class 0.5 | |
| Series | CT1M-10 | |
| Order code | 2CSG280715R1000 | |
| Product type | Current transformer | |
| Primary rated current | 4000 A | |
| Secondary rated current | 5 A | |
| Transformation ratio | 4000/5 A | |
| Best accuracy class | 0.5 | |
| Rated output, Class 0.5 | 60 VA | |
| Rated output, Class 1 | 60 VA | |
| Rated output, Class 3 | 60 VA | |
| Rated frequency | 50–60 Hz | |
| Standard | IEC 61869-2 | |
| Protection rating | IP20 | |
| Primary type | Through primary | |
| Maximum cable diameter | 86 mm | |
| Horizontal busbar sizes | 100 × 30 mm, 80 × 50 mm or 70 × 60 mm | |
| Vertical busbar sizes | 100 × 30 mm, 80 × 50 mm or 70 × 60 mm | |
| Dimensions (H × W × D) | 155 × 140 × 45 mm | |
| Weight | 1.33 kg |
Frequently Asked Questions
What is the ABB CT1M-10 4000 used for?
The CT1M-10 4000 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-10 4000?
The transformer has a rated primary current of 4000 A and a rated secondary current of 5 A, giving a 4000/5 A transformation ratio.
What accuracy class does this current transformer provide?
The CT1M-10 4000 has a best accuracy class of 0.5, with a rated output of 60 VA at Class 0.5.
Can the ABB CT1M-10 4000 be used with busbars?
Yes. The through-primary CT1M-10 4000 accommodates horizontal and vertical busbars including 100 × 30 mm, 80 × 50 mm and 70 × 60 mm.
Which standard applies to the ABB CT1M-10 4000?
The ABB CT1M-10 4000 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.
