Quinton ST 55 Service Manual page 78

3.2 WINDINGS:
Class B insulation; rated for 130°C: without crossover of primary
and secondary and crossover of secondaries.
"SEC
2"
must be thermally protected by a self-resetting switch
(Refer to Figure 1).
3.3 BOBBIN:
Rated for 130°C; flame retardant to UL94HB (e.g. glass-filled
nylon). Must provide separation between primary and secondary
I
windings. Separation between individual secondary windings, while
I
preferred, is not required i f all other design criteria can be met.
3.4 HI-POT:
4KVAC, primary to secondary: 3KVAC. secondary to secondary, and
2.5KVAC. winding to core.
I
3.5 MOllNTlNG HARDWARE:
Mounting hardware must be electrically connected to the transformer
core so the core is electrically connected to the mounting surface
when installed using #10 star washers (external star).
4.0 DIMENSIONAL DATA:
DIMENSION; SOURCE 1: 3.750 f -01
5
C
SOURCE 2 : 3.750 *.050
BOTTOM VIEW FRONT VIEW
FIGURE 3
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Instrument
co.
DWG. NO.
0 3 2 7 0 6
SCALE: NONE SOURCE: ACAD
SHEET
4