The St-t24 split-core current transformer measures current in existing electrical installations. The core is placed around a conductor without interrupting the circuit.

• Rated primary current: 400 A AC
• Secondary current: 5 A
• Measurement accuracy: 1% from 5% to 120% In, 1% at 2 × In, 1.5% at 3 × In
• Rated insulation voltage: 600 V AC
• Maximum voltage: 2000 V AC on an insulated conductor
• Operating temperature: -15 to 55 °C
• Frequency range: 50–400 Hz
• Protection rating: IP 20
• Relative humidity: 5–85%
• Dimensions: 87 × 43 × 68 mm (H × W × L)
• Split-core diameter: 36 mm