The Frer TAT022040X05 is a measuring current transformer with a 40 A primary and 5 A secondary, designed for energy monitoring and protection applications. It features a 22 mm cable aperture and compact dimensions for easy installation.

Technical Specifications

• Model: TAT022040X05
• Primary Current: 40 A
• Secondary Current: 5 A
• Cable Aperture Diameter: 22 mm
• Accuracy Class: Typically Class 1 or 0.5 (depending on variant)
• Burden: 1.5 VA
• Mounting: Snap-on mounting for quick installation
• Dimensions: 20 × 5 mm bar compatibility
• Protection Degree: IP20
• Insulation Material: Self-extinguishing thermoplastic (UL94-V0)
• Frequency Range: 50–60 Hz
• Test Voltage: 3 kV for 1 minute at 50 Hz
• Insulation Class: Class E