Why Choose the ABB CT1M-S-30 150 Current Transformer?
The ABB CT1M-S-30 150 is a 150/5 A current transformer designed for indirect measurement of electrical parameters in low-voltage distribution systems. Supplied under ABB order code 2CSG280735R1000, it forms part of the ABB CT1M-S-30 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-S-30 150 converts primary circuit current into a proportional standard secondary signal for compatible electricity meters, ammeters, power analysers and monitoring equipment. It provides class 1 accuracy with a 1.75 VA rated output and a 3.75 VA rated output at class 3.
The CT1M-S-30 150 uses a through-primary design suited to indirect current measurement in electrical distribution equipment. Its compact 106 × 93 × 40 mm dimensions, IP20 degree of protection and 50–60 Hz rated frequency make it a practical solution for switchboards, distribution panels and energy monitoring installations.
Key Advantages
- Reliable 150/5 A current transformation for indirect electrical measurement.
- Class 1 accuracy for metering and monitoring applications.
- 1.75 VA rated output at accuracy class 1.
- 3.75 VA rated output at accuracy class 3.
- Standard 5 A secondary output for compatible measuring equipment.
- Through-primary construction for straightforward integration into electrical installations.
- Compact 106 × 93 × 40 mm dimensions.
- IP20 degree of protection for installation within suitable electrical enclosures.
- Suitable for 50–60 Hz electrical systems.
- Designed in accordance with IEC 61869-2 for instrument current transformers.
Key Features
- ABB CT1M-S-30 current transformer.
- 150 A rated primary current.
- 5 A rated secondary current.
- 150/5 A transformation ratio.
- Class 1 best accuracy class.
- 1.75 VA rated output at class 1.
- 3.75 VA rated output at class 3.
- 50–60 Hz rated frequency.
- IP20 degree of protection.
- Through-primary current measurement design.
- Compact format for electrical distribution and metering installations.
Reliable Indirect Current Measurement
Current transformers allow electricity meters and monitoring instruments to measure circuits carrying currents above their direct-input range. The ABB CT1M-S-30 150 transforms a primary current of 150 A into a proportional 5 A secondary current, providing a standard signal for compatible measuring equipment.
The CT1M-S-30 150 combines a compact through-primary construction with class 1 measurement performance and a standard 5 A secondary interface. This makes it suitable for electrical distribution panels, switchboards and energy monitoring systems where dependable indirect current measurement is required.
Typical Applications
- Electrical energy metering systems.
- Low-voltage distribution switchboards.
- Commercial electrical distribution panels.
- Industrial power monitoring systems.
- Building energy management installations.
- Electrical network measurement systems.
- Panel-mounted ammeters and power analysers.
- Indirect measurement of 150 A electrical circuits.
