Check up to 30 amps without breaking the circuit with the AUT30. ATC blade connectors plug into the fuse block. It has a measuring range of 30 amps/48 VDC (10 seconds, max) with 100 mA resolution and (±2 percent + 2 digits) accuracy. Results are displayed on a 3.5-digit LCD. Includes 29.5-inch (75cm) connector cable.