Current Transformers
ARCT-PT & IT Series: Rogowski Coils Current Transformer
![]()
ARCX-PT-XXXS Series
The flexible Rogowski coil of the high-accuracy split-core current transformers offer significant installation advantages over the general split-core CT’s because of their light weight, wide current(10-5000+ Amps), mechanical flexibility for mounting in tight quarters and easy placement around cable bundles or large busbars.
Offered in 80, 115, 180, and 300 mm window sizes, the ARCT-PT series is the most accurate Rogowski coil in submetering.
• In the following graphs, a positive phase angle error indicates that the output of the Rogowski coil CT with an integrator leads the primary current.
• Graphs show typical performance at 25°C, 50/60Hz
• Performance Graphs: The standard CT meets IEEE C57.13 class 0.6 standard & IEC 61869-2 class 0.5S standard
Integrator circuit for Rogowski coil current transformer
ARCT-IT Series
The ARCT-IT is a next-generation integrator for Rogowski coil current transformers, offering precision, durability, and easy integration for modern electrical systems.
With a built-in AC/DC converter that operates directly from a 277V line, it removes the need for external power supplies, simplifying installation. Its zero-drift performance and automatic DC offset removal guarantee long-term measurement accuracy, even in continuous operation.
- Purpose-built for Rogowski coil CTs
- Integrated AC/DC converter – no external power required
- Simplified installation with reduced system complexity
- Long-term zero-drift performance
- Automatic DC offset removal for stable accuracy
