LEM current transducer HTA400-S LEM current transducer HTA300-S LEM current transducer HTA200-S LEM current transducer LAH100-P LEM current transducer HAS600-S LEM current transducer LF305-S LEM current transducer LF505-S/SP13 LEM current transducer LF505-S/SP27 LEM current transducer LF1005-S LEM current transducer LF1005-S/SP16 LEM current transducer LF1005-S/SP29 LEM current transducer LF1005-S/SP31 LEM current transducer LF1005-S/SP36 LEM current transducer