Your search for "JPSU-920-AC" revealed the following:
Juniper JPSU-920-AC-AFO 920W AC F-B Air Switch Power Supply for EX4100, EX3400
SKU: NSB-7114
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 282.99
• Only 2 remaining
Call if you need more
NEW Juniper JPSU-920-AC-AFO 920W AC F-B Switch Power Supply for EX4100, EX3400
SKU: NSN-5897
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 293.99
• Only 1 remaining
Call if you need more
Juniper JPSU-920-AC-AFO EX3400 Series 920W AC F-B Air Switch Power Supply
SKU: NSB-4717
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JPSU-920-AC-AFO EX3400 Series 920W AC F-B Air Switch Power Supply
SKU: NSN-4677
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX3400-48P-TAA 48x 1GB PoE+ RJ45 4x 10GB SFP+ 2x QSFP+ (TAA) Switch
SKU: NSN-3703
Condition: New
Shipping: Overnight Options
Warranty: 365 days