The LBQ-III leakage protector tester is mainly used to test the leakage action current of three-phase four-wire leakage protectors, leakage non-action current, and leakage action time. The test output current is manually and smoothly adjustable, with an output current range of 0-500mA and a time test range of 0-799ms, all digitally displayed. The tester is box-type packaged, compact, lightweight, portable, and can be used continuously for a long time. It is the best testing instrument for on-site or indoor testing of various leakage protectors.
