EKM6-315H 315A Professional Circuit Breaker with Enhanced Protection Features
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| Product Family ID | OS-ETK-EKM6-315H |
|---|---|
| Variant SKU Count | 3 |
| Supplier | ETK |
| Supplier Model | EKM6-315H |
| Product Type | MCB / Circuit Breaker |
| Available Current Ratings | 280A / 300A / 315A |
| Available Voltage Ratings | 800V, 1000V, 1140V |
| Rated Voltage | 800V, 1000V, 1140V |
| Rated Current | 280A / 300A / 315A |
| Frame Current | 315A |
| Frame Size / Ways | 315A |
| Rated Current | 280,300,315A / 280A / 300A / 315A |
| Rated Voltage | 800V, 1000V, 1140V |
| System Voltage | 800V, 1000V, 1140V |
Product Overview
AC MCCB in the 280A-315A range covering 800V, 1000V, and 1140V AC for industrial distribution boards, large inverter AC output protection, and main switchboard applications in commercial and utility PV plants. Three current variants allow accurate matching to the calculated AC current without over-sizing.
1000V and 1140V AC ratings serve high-voltage industrial distribution systems — standard 690V MCCBs are not rated for these voltage levels. Confirm the inverter AC output voltage and maximum current before specifying.
AC MCCBs at 315A serve as the main switch between inverter AC output and the plant low-voltage distribution board. Verify the MCCB breaking capacity against the grid-side short-circuit current at the point of common coupling — utility fault levels in industrial zones can be significantly higher than on suburban residential feeders.
Applications
Inverter output protection
AC distribution boards
EV and PV support circuits
Residential and commercial electrical BOS
Frequently Asked Questions
What is the application for 1000V and 1140V AC MCCBs?
1000V and 1140V AC MCCBs appear in high-voltage industrial distribution systems in certain countries and in some utility PV plant AC switchboards. In most commercial solar projects, 690V AC MCCBs are sufficient — confirm the actual bus voltage before specifying.
Is EKM6-315H suitable as the main breaker on a solar inverter AC output?
Confirm the inverter AC output voltage (typically 400V or 690V AC) and maximum output current against the MCCB rated voltage and current. The MCCB rated current must be at or above the inverter maximum output current, and the rated voltage must match or exceed the AC bus voltage.
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