The JSC-88W Is a very reliable way to establish, with certainty whether or not there is voltage present downstream from the switches
or breakers during power-offs. It dramatically increases the safety of personnel assigned to maintenance work on electrical equipment
powered by three-phase voltage. As long as voltage is present downstream of the breakers, one or more (LEDs) on the JSC-88W will
stay lit. A simple visual inspection tells you whether the electrical system is in “Zero Energy” mode. In addition, this new device has
been improved to allow resistance to transient voltage (voltage spikes).
The JSC-88W’s small design allows for direct installation on the door of the switch board, the starter or the control panel.
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