The Kyoritsu Model 5401 is an RCCB (ELCB) Tester used for testing Residual Current Circuit Breakers (RCCBs) and Earth Leakage Circuit Breakers (ELCBs). This device is designed and manufactured by Kyoritsu, a reputable brand known for producing high-quality test meters and detectors. The RCCB Tester is essential for ensuring the safety and functionality of RCCBs and ELCBs, which are critical components in electrical systems. This model offers reliable and accurate testing capabilities to ensure proper operation of these protective devices in various industrial and commercial settings. Tested and working. As pictured
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