Your search for "qfx5110" revealed the following:
NEW Juniper JPSU-650W-DC-AFI 650W DC PSU EX4600 EX4650 QFX5100 QFX5110 QFX5120
SKU: NSN-0267
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JPSU-650W-AC-AFI 650W AC B-F PSU for EX4600 QFX5100 QFX5110 QFX5120
SKU: NSN-1367
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JPSU-650W-DC-AFO 650W DC PSU EX4600 EX4650 QFX5100 QFX5110 QFX5120
SKU: NSN-0266
Condition: New
Shipping: Overnight Options
Warranty: 365 days