Low-voltage Pole-mounted Circuit Breakers Must Pass Testing Before Installation Is Permitted.

According to the "Code for Construction and Acceptance of Low-Voltage Electrical Equipment in Electrical Installation Engineering", equipment Lv Pole Mounted Circuit Breakers needs to undergo necessary insulation resistance testing, operational function testing, and circuit and grounding insulation checks before installation. The test results should be recorded and archived as part of the technical documents to facilitate subsequent acceptance work.