BK Precision 1472B Especificaciones descargar pdf (Pagina 75)

M~STD-1472E

b. Thelegend shall belegible with orwithout internal illumination.

c. A lamp test or dual lamp/ftient reliability shall be providedfor switch~ if tie mean time

betweenfailure is less than 100,000hrs.

d. Lamps within the legend switch shall be replaceablefromthe front of the panel by hand and

the legends or covers shall be kyed to preventthe possibilityof interchanging the legend

covers,

e. A legendplate shall not containmore than threeIine$of lettering.

‘d

% “~1

BARRIERS

Siu

DISPLACEMENT

RESISTANCE

Elw

Minimum

I*mun”

5 Iwn””

3mn Sm.11

(W4 Id

28 N--o

nn id {1/6 h.)

13/16 In.1 110 Ot.1

M6xlmum Scllm

6 mm

6 mm enw-n’”

16.7 N

lbt/2 Id

11/4 18!.1

[1!4 h.) {114 lrd

(60 CIL1

. lSmm (5/8 in, ) wham swllch I* not tiotawd blow tha D. MI.

FIGURE 14. Lcgund SW’it&

!!!’,

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BK Precision 1472B Especificaciones Pagina 75