Installation and commissioning process of low-voltage switchgear
6. Assembly and commissioning
6.1 Assembly of housing and door
Shell size range | Deviation | ||
Shell height | Shell width | Shell depth | |
400～1000 | — | 0 -1.4 | ±1.5 |
＞1000～2000 | ±2.2 | 0 -2.3 | ±2 |
＞2000～3000 | ±2.7 | — | — |
6.1.3 The diagonal deviation of each side is not greater than that specified in Table 3.。
Table3 The unit is mm
Diagonal size range | Absolute value of nodal line deviation | ||
side | Behind | Underside | |
500～1500 | 2 | 3 | 3 |
＞1500～2000 | 3 | 4 | 4 |
＞2000～3000 | 4 | 5 | — |
6.1.5 The allowable deviation of the gap between door and door, door and baffle shall comply with Table 4。
Table 4 The unit is mm
Size range | Part | |
Deviation of the same gap | Parallel gap deviation | |
≤1000 | 1 | 1 |
＞1000 | 2.5 | 2.5 |
6.1.6 The opening of the door should be flexible, the opening angle should not be less than 900, and the paint layer and the wire should not be damaged during the opening and closing process.
6.1.7 The paint color of the door, panel and shell of the product must be the same. The color of the same batch of products should be the same. The color of the product should meet the order requirements. If it does not meet the requirements, it should be selected.
6.1.8 The nameplate, technical data and sign of the product shall be installed firmly, flat and upright. The mounting screws should be tightened one by one.