Quinton ST 55 Service Manual page 72

3 . 0 REGULATORY REQUIREMENTS:
Construction to comply with UL544 a n d appropriate IEC 601-1
standards (Non-patient connected). Construction details m u s t b e
approved by Quinton Engineering a n d m u s t n o t b e changed without
p r i o r approval b y Quinton Engineering.
3 . 1 Creepage distances a n d a i r clearances:
Required creepage distances a r e shown i n millimeters in Figure 2 .
Refer t o Table 1 f o r conversion of millimeters to inches a n d
associated a i r clearance requirements.
NOTE: The SEC 2 w i n d i n g i s c o m p l e t e l y i s o l a t e d ( i . e . f l o a t i n g )
in t h i s a p p l i c a t i o n , w i t h no c o n n e c t i o n t o accessible parts.
4mm
- 1 -
2mm
8mm
FIGURE 2
TABLE 1
V)
-
-
REQUIRED AIR CLEARANCE
INCHES
.020
.028
.040
.063
.099
.I26
1 97
a
CREEPAGE DISTANCE
MILLIMETERS
1
1.3
2
3
4
6
8
CREEPAGE DISTANCE
.
INCHES
-040
-052
-079
.1 19
1 5 8
.237
-3 15
REV
B
m i n t &
instrument co.
SCALE: NONE SOURCE: ACAD
I
SHEET
3
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