What kind of circuit breaker is used in the sub-circuit of PDU8000 precision power distribution cabinet:

• A.Miniature circuit breakers
• B.Molded case circuit breaker
• C.isolating switch
• D.Frame circuit breaker

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The maximum output power of UPS5000-E (25-75kVA) bypass module is 128kW. (

• A.False
• B.True

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UPS5000-A has built-in SNMP and ModBus card to reduce the management investment cost of customers.

• A.True
• B.False

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How many 12V batteries can the optional battery inspection instrument of UPS5000-A-400/500K support? ( )

• A.32 D .40.
• B.12
• C.24

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Which of the following statements about ECC800 is incorrect?

• A.ECC800 without 3G/4G function cannot be upgraded to ECC800 with 3G/4G function by adding a SIM card slot
• B.ECC800 is available with 3G/4G function and without 3G/4G function
• C.ECC800 can realize the function of voice alarm
• D.ECC800 supports email alarm function
• E.ECC800 can realize SMS alarm function

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