Why Choose the ABB TR1 Toroidal Transformer?
The ABB TR1 (2CSG035100R1211) is a compact and reliable toroidal current transformer designed for use with residual current monitoring systems. As part of the ABB range of residual current monitors and external transformers, the TR1 provides accurate leakage current detection for industrial and commercial electrical installations.
This through-feed current converter is designed to work with ABB residual current monitoring devices, allowing leakage currents to be detected and monitored within electrical systems. The transformer features a closed, non-openable design with screw connection terminals for dependable installation.
With a compact toroidal construction, a 35 mm internal diameter and a 60 mm bore diameter, the ABB TR1 is suitable for applications where accurate residual current measurement and space-efficient installation are required.
Key Advantages
- ABB TR1 toroidal transformer designed for residual current monitoring applications.
- Accurate leakage current detection when used with compatible ABB RCM systems.
- 35 mm internal diameter suitable for compact electrical installations.
- Non-openable construction for reliable long-term operation.
- Screw connection terminals simplify electrical installation.
- Compact design for integration into modular DIN rail systems.
Key Features
- ABB TR1 series toroidal transformer.
- Through-feed current converter design.
- Designed for use with ABB residual current monitoring devices.
- Primary input: 1.
- Secondary output connection: Screw connection.
- Current limit function: FS 5.
- Closed, non-openable measuring transformer design.
- RoHS compliant construction.
Reliable Residual Current Monitoring
Toroidal transformers such as the ABB TR1 detect leakage currents by measuring the imbalance between conductors passing through the transformer core. When combined with compatible residual current monitoring relays, they provide an effective method for monitoring electrical insulation conditions and improving system safety.
The ABB TR series is designed for engineers and installers requiring accurate current measurement, compact dimensions and dependable integration into low-voltage electrical systems.
Typical Applications
- Residual current monitoring systems.
- Industrial electrical panels.
- Low-voltage distribution systems.
- Machine safety and protection monitoring.
- Building electrical installations.
- Control cabinets and modular DIN rail systems.
