Open filterClose filter input AC sizes output AC signals power-supply interface / protocols AD-UART RS485-Bus USB Modbus-RTU display / operation design Handheld unit device functions Galv. isolation (I/O) Reset filter Measuring accessories Image Article Description Input Output Auxiliary voltage Designs AD-KSW 50 SO Clip on current transformers 50A. For use with Adamczewski power transmitters. AC currents AC mA currents - SO AD-KSW 100 SO Clip on current transformers 100A. For use with Adamczewski power transmitters. AC currents AC mA currents - SO AD-KSW 200 SO Clip on current transformers 200A. For use with Adamczewski power transmitters. AC currents AC mA currents - SO AD-KSW 400 SO Clip on current transformers 400A. For use with Adamczewski power transmitters. AC currents AC mA currents - SO AD-KSW 600 SO Clip on current transformers 600A. For use with Adamczewski power transmitters. AC currents AC mA currents - SO AD-VarioPass 3 USB parameterization adapter for AD-UART interface and RS485 bus - - via USB -