Why Choose the ABB CT1M-2 60 Current Transformer?
The ABB CT1M-2 60 is a through-primary 60/5 A current transformer designed for indirect measurement of electrical network parameters. Supplied under ABB order code 2CSG280235R1000, it converts a rated primary current of 60 A into a proportional 5 A secondary current for compatible ammeters, multifunction meters, energy meters and monitoring equipment.
Part of ABB's CT1M current-transformer range, the CT1M-2 60 is manufactured for measurement applications in accordance with IEC 61869-2. This model provides accuracy class 1 with a rated burden of 1.5 VA at class 1, making it suitable for dependable current and energy monitoring in commercial and industrial electrical distribution systems.
The CT1M-2 60 features a compact through-primary construction for installation around a conductor, with a maximum cable diameter of approximately 21 mm. Its compact 65 × 45 × 40 mm body and IP20 protection rating make it well suited to installation inside switchboards, control panels and metering assemblies.
Key Advantages
- 60/5 A transformation ratio for indirect current measurement.
- Accuracy class 1 for dependable metering applications.
- 1.5 VA rated burden at class 1.
- Standard 5 A secondary output for compatible measuring instruments.
- Designed in accordance with IEC 61869-2.
- 50–60 Hz rated frequency for standard AC electrical networks.
- Through-primary construction supports straightforward conductor installation.
- Compact dimensions suit switchboards and electrical metering panels.
Key Features
- ABB CT1M-2 series current transformer.
- 60 A rated primary current.
- 5 A rated secondary current.
- 60/5 A current transformation ratio.
- Accuracy class 1.
- 1.5 VA output at class 1.
- 2 VA output at class 3.
- 50–60 Hz rated frequency.
- Maximum cable diameter approximately 21 mm.
- IP20 protection rating.
Reliable Indirect Current Measurement for Metering Systems
Current transformers enable measuring instruments to monitor circuits carrying currents that would otherwise be unsuitable for direct connection. The ABB CT1M-2 60 transforms a rated 60 A primary current into a proportional 5 A secondary signal, allowing compatible meters and instruments to measure electrical parameters while remaining isolated from the full primary current.
The combination of class 1 accuracy, a 1.5 VA class 1 burden and a standard 5 A secondary makes the CT1M-2 60 suitable for a wide variety of metering installations. Its through-primary design and compact dimensions also simplify integration into distribution boards where current measurement is required for energy monitoring, load analysis or electrical instrumentation.
Typical Applications
- Indirect electrical current measurement.
- Energy-meter installations with 5 A CT inputs.
- Ammeters and multifunction measuring instruments.
- Commercial and industrial switchboards.
- Electrical distribution and metering panels.
- Energy monitoring and load-analysis systems.
