The type A residual current transformer is ideal for residual current detection in 3/4-wire AC networks. It can record even the smallest residual currents and is flexible in use due to its large frequency range.
Key details at a glance
- For residual current detection in 3 and 4-wire alternating current networks
- Highly sensitive current sensor for detecting even the smallest residual currents
- Simple connection by means of 4-pole spring terminal
- High level of safety thanks to integrated overvoltage protection
- Flexible use due to a wide frequency range
- Ratio: 600/1
- Max. primary residual current: 18 A
- Max. wire diameter in mm: 4 x approx. 8 (rm-10 mm²) or 8 x 5.5 (rm-6 mm²)
- Round conductor: 20 mm
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