About this item Elcb mcb preventer electronic shock guard Fully automatically (over voltage protection) MCB over load protection (63 Ampere Capacity) Simple & Easy to install Elegant looks Product description (1) This product Atomatically with OVP (over voltage protection). tripping time <30msec. (2)This Model Will Automatically Switch off Your Main Supply during Any Overload, high & low voltage & Short Circuit Condition. It has electric shock Protection (in case of any person touch live wire by mistake then our ELCB close main supply instantly and save their life) v (3)High & Low Voltage Protections. High voltage cutoff 480 VAC. Low voltage cut off 250 VAC. Over Load Protections. Protection against short circuit. shock protection. Over current and under current protection. Adjustable Leakage Currant 5mA to 50mA. Test button provided to test ELCB. When you press test button ELCB trip immedieatly. Working indication, Emergency bypass indication, Earth Leakage indication provided. Auto and Bypass switch available. Warranty : 1 Year Manufacture, Warranty Service : Replacement, Package contains : 1 ELCB (Earth Leakage Circuit Breaker) unit, 1 Test Report damage not covered under warranty.