Product Details
The SEW 1812 EL Digital ELCB (RCD) Tester is a high-precision instrument designed to test the trip time and trip current of Earth Leakage Circuit Breakers (ELCBs) or Residual Current Devices (RCDs). It offers multiple test modes including auto, ramp, and manual, and supports a range of current ratings such as 10mA, 30mA, 100mA, and 300mA. With its large digital LCD, auto data hold, phase polarity check, and compact build, the 1812 EL is ideal for electricians, safety inspectors, and maintenance professionals who need fast, reliable, and easy-to-use RCD testing in both residential and commercial environments.