THORLABS -
15 V, 2.66 A Power Supply Unit with 3.5 mm Jack Connector for One K- or T-Cube (KPS201)
Used
The KPS201 offers a simple power supply for select individual K-Cubes or T-Cubes. This has a UK specific adapter.
https://www.thorlabs.com/thorproduct.cfm?partnumber=KPS201