Current Knob Lock

Current Knob Lock 3d printed Accessories Model trains
Locking arm to stop accidental change to the current setting on Maplin N93 CX workbench power supply especially when used as a controller for model railways.

This item is a also believed to fit the following power supply units with other brand names.
Circuit-Test: PSC-520, PSC-336, and PSC-260
Manson: NRP-2050, NRP-3630, and NRP-6016
Rapid: 85-1901, 85-1902, and 85-1903
cm: 2.808 w x 1.5 d x 1.71 h
in: 1.106 w x 0.591 d x 0.673 h


  • White Strong & Flexible

    White nylon plastic with a matte finish and slight grainy feel.