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DC Power (240 V China) Circuit Breaker Requirements for the MX2000 Router

For PDMs, if you plan to operate a maximally configured DC-powered router, we recommend that you provision at least 20 A  @ 240 VDC (nominal) for each DC input to the system. Use a customer site 2 pole circuit breaker rated according to respective National Electrical Code and customer site internal standards to maintain proper level of protection for the current specified above.

If you plan to operate a DC-powered router at less than the maximum configuration, we recommend that you provision a 2 pole circuit breaker according to respective National Electrical Code and customer site internal standards to maintain proper level of protection for the current specified above or each DC power supply rated for at least 125% of the continuous current that the system draws at 240 VDC.