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ASCO Model 520 Surge Protective Device

120–480 VAC | 130–500 kA/Phase

The ASCO Model 520 Surge Protective Device offers continuous protection from damaging transients and electrical line noise, utilising patented circuitry to monitor the status of all protection modes, including neutral to ground. Should protection be unavailable in any mode, the green LED will be extinguished, and the red LED will be illuminated. The ASCO Model 520 can be installed on any panel within your facility, making it the ideal choice for cascaded applications.
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ASCO Model 520 Surge Protective Device ASCO Power Technologies 120–480 VAC | 130–500 kA/Phase
Contact Sales