Siemens EF 837 Series Specifikace stáhnout pdf (Strana 16)

Mechanical Installation - Metal Sheet Section 2 Installation

16 3BSE056248

The metal sheet shall at least be 2.5 mm thick and at least 180 mm high with

preferably one side bend 90 degrees to increase the stability. The metal sheet shall

be mechanically fastened at least every 500 mm to the cabinet or rack with a

minimum of four screws. The fastening to the cabinet frame shall be performed with

self-tapping screws to get a good grounding connection.

DIN-rail type with height 7.5 mm shall be used. Refer to type NS 35/7.5 according

to standard EN50022.

Figure 3. Mechanical Installation

100

10 0 100 1 00

DIN-ra il 45 0 mm

178

266

Al tern at ive an chori ng

of e.g . I/ O cabl es in ap propria te ca ble du ct

Alte rnati ve ancho rin g

of exce ptio nal ca ble s.

Use cable suppor t bar

+ insul ating layer

+ straps

DIN-rail (heigh t 7, 5 mm) mounted with

En d supp ort 2 x 3BSC0224 71R1

tapping screws M6x10

Ensure goo d el ectri cal co nta ct to chassies

For al l b olted join ts

Tapping screws with scratches M6x10

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 67 68

Žádné komentáře

Siemens EF 837 Series Specifikace Strana 16