POWER SUPPLY for SN 3000B 16GB FC switch

HI, could anyone help me ,

i need to replace our power supply for SN3000B 16GB FC Switch,

i got two  Power supply's Part Number  492295-001  and the other is 492295-002,

could someone help, which Part number should i order?

are they same part?

Thanks in advance for responding,

Regards

Nokens