Apologies for the confusion, but I made an error in my previous response. The correct information for the SRX1500-SYS-JB-AC bundle is as follows:
The SRX1500-SYS-JB-AC is a comprehensive security bundle that includes the Juniper Networks SRX1500 firewall appliance along with various security and connectivity components.
he SRX1500-SYS-JB-DC is a bundle that includes the Juniper Networks SRX1500 firewall appliance along with the necessary components for power and connectivity in a DC (Direct Current) power environment.