The JSC-88A is a very reliable way to know for sure whether or not there is voltage downstream from the switches or breakers during power-ons. It dramatically increases the safety of personnel assigned to maintenance work on electrical equipment powered by threephase voltage. As long as voltage is present downstream of the breakers, one or more (LEDs) of the JSC-88A will stay on. The use of the optional KLQ-Kit enables an additional verification directly at the motor concerned. When one of the 3 LEDs lights up, the KLQ-Kit’s Remote LED will light up. A simple visual inspection tells you whether the electrical system is in “Zero Energy” mode.
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