Does the rating plug need to be removed for hi-pot or dielectric testing on breakers with the P and H trip units?
Issue:
Does the rating plug need to be removed for hi-pot or dielectric testing on breakers with the P and H trip units?
Product Line:
Micrologic
Resolution:
Yes. But it is not necessary to remove the rating plug on the basic and A trip units.
Dielectric tests (high potential, insulation resistance, or Megger tests) may damage Micrologic® P and H trip units.
• Remove rating plug from trip unit prior to testing.
• Replace trip unit if rating plug was not removed during tests or if trip unit was exposed to more than 700 Vac.
Failure to follow these instructions can result in equipment damage.
Does the rating plug need to be removed for hi-pot or dielectric testing on breakers with the P and H trip units?
Product Line:
Micrologic
Resolution:
Yes. But it is not necessary to remove the rating plug on the basic and A trip units.
Dielectric tests (high potential, insulation resistance, or Megger tests) may damage Micrologic® P and H trip units.
• Remove rating plug from trip unit prior to testing.
• Replace trip unit if rating plug was not removed during tests or if trip unit was exposed to more than 700 Vac.
Failure to follow these instructions can result in equipment damage.
Released for: Schneider Electric USA
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