Current Transformer 500A with fly lead

The Current Transformer 500A (incl. fly lead) is a split-core AC current sensor designed for precise monitoring in solar PV systems, compatible with Solis inverters and export power managers for accurate current measurement and grid compliance.

Product Description

This 500A split-core current transformer (CT) allows non-invasive installation without disconnecting cables, making it ideal for retrofits and monitoring applications. It features a fly lead for easy connection to compatible devices like Solis EPM or inverters. With high accuracy and robust construction, it supports export limitation, energy metering, and system optimization in larger residential and commercial setups.

Key Features

• Split-core design: Easy clip-on installation without wiring disruption.
• Fly lead included: Pre-wired cable for quick and secure connection.
• High accuracy: ±1% typical, suitable for metering and control.
• Compatible with Solis: Works with Solis inverters for export power management.
• Robust and reliable: Frequency 50-60Hz, durable for long-term use.

Technical Specifications

• Model: STCK35-500A – Current Transformer 500A with Fly Lead.
• Rated current: 500A primary / 5A secondary.
• Accuracy class: ±1% (20%-120% rated current).
• Frequency: 50-60 Hz.
• Inner diameter: 36 mm.

Dimensions & Weights

• Inner hole diameter: 36 mm.
• Fly lead length: Standard (varies by supplier).
• Weight: ~0.4 kg.

System & Application Notes

• Ideal for Solis three-phase inverters and EPM devices for export limitation.
• Clip around live conductor for non-intrusive current sensing.
• Compatible with energy monitoring systems and grid compliance setups.
• Installation by qualified electricians; ensure correct polarity and secure mounting.
• Suitable for indoor/outdoor use depending on enclosure.