Open filterClose filter input AC sizes output AC signals power-supply AC 230V interface / protocols AD-UART RS485-Bus USB Modbus-RTU display / operation design Handheld unit device functions Galv. isolation (I/O) Reset filter Accessories Image Article Description Input Output Auxiliary voltage Designs AD-HST 35 SO Electric heating element with 3.5 kW and three heating coils (500W, 1000W and 2000W) - - 3x 230V AC SO 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 Obsolescent model AD-VarioPass 3 USB parameterization adapter for AD-UART interface and RS485 bus - - via USB - AD-VarioPass 4 USB parameterization adapter for AD-UART interface and RS485 bus - - via USB -