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.
2CSG280265R1000 ABB CT1M-2 150 Current Transformer 150/5 A
ABB CT1M-2 150 2CSG280265R1000 is a class 0.5 through-primary current transformer with a 150 A primary rating, 5 A secondary output and 2.5 VA class 0.5 rated output for indirect electrical metering applications.
£28.12
Why Choose the ABB CT1M-2 150 Current Transformer?
The ABB CT1M-2 150 is a compact and reliable 150/5 A current transformer designed for indirect measurement of electrical network parameters in low-voltage distribution systems. Supplied under ABB order code 2CSG280265R1000, it forms part of the ABB CT1M current transformer series and is designed in accordance with IEC 61869-2.
With a rated primary current of 150 A and a rated secondary current of 5 A, the CT1M-2 150 converts the primary circuit current into a proportional standard secondary signal for compatible electricity meters, ammeters, power analysers and monitoring equipment. Its class 0.5 accuracy and 2.5 VA rated output at class 0.5 support accurate electrical measurement in commercial and industrial installations.
The CT1M-2 150 uses a through-primary design for straightforward integration into electrical distribution equipment. Its compact 65 × 45 × 40 mm construction, IP20 degree of protection and 50–60 Hz rated frequency make it a practical metering accessory for switchboards, distribution panels and energy monitoring systems.
Key Advantages
- Reliable 150/5 A current transformation for indirect electrical measurement.
- Class 0.5 accuracy supports precise metering applications.
- 2.5 VA rated output at accuracy class 0.5.
- Standard 5 A secondary output for compatible measuring equipment.
- Through-primary construction simplifies installation around the primary conductor.
- 50–60 Hz rating suits standard low-voltage electrical networks.
- Compact 65 × 45 × 40 mm dimensions minimise panel space requirements.
- Designed in accordance with IEC 61869-2 for current transformers.
Key Features
- ABB CT1M-2 current transformer series.
- 150 A rated primary current.
- 5 A rated secondary current.
- 150/5 A transformation ratio.
- Class 0.5 measurement accuracy.
- 2.5 VA rated output at class 0.5.
- 5 VA rated output at class 1.
- 5 VA rated output at class 3.
- 50–60 Hz rated frequency.
- IP20 degree of protection.
- Compact through-primary construction.
Reliable Indirect Current Measurement
Current transformers allow electrical meters and monitoring instruments to measure circuits carrying currents above their direct-input range. The ABB CT1M-2 150 transforms a primary current of up to 150 A into a proportional 5 A secondary current, allowing compatible equipment to perform indirect measurement of electrical network parameters.
The CT1M range is designed for current measurement in electrical distribution systems. Its through-primary construction enables the primary conductor to pass through the transformer while the standardised secondary output can be connected to suitable metering, measurement and monitoring equipment.
Typical Applications
- Electrical energy metering systems.
- Main and sub-distribution switchboards.
- Low-voltage electrical distribution panels.
- Power and network monitoring systems.
- Building energy management installations.
- Industrial electrical measurement systems.
- Panel-mounted ammeters and power analysers.
- Commercial and industrial energy monitoring.
Technical Specifications
Tick the specs you need, then view products that match.
| Rated Burden (VA) | 2.5 VA | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 150 A | |
| Secondary Current / Output | 5 A | |
| Accuracy Class | Class 0.5 | |
| Series | CT1M-2 | |
| ABB order code | 2CSG280265R1000 | |
| Product group | Metering Accessories | |
| Product type | Current transformer | |
| Rated primary current | 150 A | |
| Rated secondary current | 5 A | |
| Transformation ratio | 150/5 A | |
| Best accuracy class | 0.5 | |
| Rated output, class 0.5 | 2.5 VA | |
| Rated output, class 1 | 5 VA | |
| Rated output, class 3 | 5 VA | |
| Rated frequency | 50–60 Hz | |
| Protection rating | IP20 | |
| Mounting type | Through primary | |
| Dimensions (H × W × D) | 65 × 45 × 40 mm | |
| Weight | 0.35 kg | |
| Standard | IEC 61869-2 | |
| EAN | 8012542802655 |
Frequently Asked Questions
What is the ABB CT1M-2 150 used for?
The ABB CT1M-2 150 is a current transformer designed to convert primary circuit current into a proportional 5 A secondary current for indirect electrical metering and network measurement.
What is the current ratio of the ABB CT1M-2 150?
The CT1M-2 150 has a rated transformation ratio of 150/5 A, with a 150 A rated primary current and a 5 A rated secondary current.
What accuracy class does the CT1M-2 150 provide?
The ABB CT1M-2 150 provides a best accuracy class of 0.5, with a rated output of 2.5 VA at class 0.5.
What are the dimensions of the CT1M-2 150?
The ABB CT1M-2 150 measures approximately 65 × 45 × 40 mm, providing a compact solution for installation within electrical distribution and metering assemblies.
Which standard does the ABB CT1M-2 150 comply with?
The ABB CT1M current transformer range is designed in accordance with IEC 61869-2, the applicable standard for instrument current transformers.
Trusted ABB Current Measurement Technology
ABB CT1M current transformers provide dependable conversion of primary currents into standard 5 A secondary signals, supporting accurate indirect measurement in commercial, industrial and electrical distribution applications.
