1. The modulus of the drawer height is 160mm, including five dimensions series of 1/2 unit, one-unit, one and a half units, 2-unit and 3-unit. Unit circuit rated current is 400A and below.
2. The drawer is only changed in its height dimension, with width and depth dimensions unchanged. Drawers with the same function units feature good interchangeability.
3. Each MCC cabinet can be installed up to 11 one-unit drawers or 22 1/2 unit drawers.
4. Backplane ZJ-2 adapter is used for adapter coupling between 1/2-unit drawer and cable chamber
5. The connectors of various pieces in the sane specification and monolithic structure are used as incoming and outgoing lines of drawers according to the current size.
6. Rod or tube-type ZJ-1 adapter in the same size is used for adapter coupling between unit drawer and cable chamber by the current size
7. Drawer panel has obvious signs indicating the positions of “isolated”, “closing”, “test” and “draw-out”, etc.
8. Drawer unit is provided with mechanical interlock devices.