Customization: | Available |
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Type: | Distribution Metering Box |
Structure: | Protection |
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Audited by an independent third-party inspection agency
Rated voltage | 3.6, 7.2, 12kV |
Rated frequency | 50Hz |
Rated insulation level 1min power frequency withstand voltage | 42/48kV (break) |
Lightning impulse withstand voltage | 75/85kV (break) |
Main bus rated current | 630, 1250, 1600, 2000, 2500, 3150, 4000A |
Main bus rated short-time withstand current | 20, 25, 31.5, 40kA |
Main bus rated short-circuit duration | 4S |
Rated short-time withstand current of grounding circuit | Determined by 86.7% of the rated short-time withstand current of the main bus |
Rated short-circuit duration of grounding circuit | 2S |
Rated short-circuit breaking current | 20, 25, 31.5, 40kA |
Protection level | IP4X for housing, IP2X for circuit breaker room door opened |