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Report Ref No.: 614376
IEC 60065
Clause
Requirement + Test
Result - Remark
Verdict
TRF No.: IEC60065E
TRF Originator: ASTABEAB
13
TABLES: clearances and creepage distances
P
Rated supply voltage: 220-230 V
Pollution degree:
2
Material Group:
IIIb
2 N force on internal parts applied:
30 N force on outside of conductive enclosure applied:
Location
Operating Voltage
Clearance (mm)
Creepage (mm)
V rms
V peak
Min
Actual
Min
Actual
Circuits conductively connected to the mains (use Tables 8, 9 and 11): see note below.
Primary (ac) to Earth (B)
-
-
-
-
-
-
Primary (+dc) to Earth max (B)
-
-
-
-
-
-
Primary (-dc) to Earth max (B)
-
-
-
-
-
-
Across mains fuse (B)
<240
<420
2.0
7.4
2.4
7.4
Across primary directly connected to
the mains (B)
the mains (B)
<240
<420
2.0
>10
2.4
>10
Hazardous live secondary to Earth (B)
-
-
-
-
-
-
Optocoupler input to output (R)
-
-
-
-
-
-
Primary to Secondary (R) in
transformer T901.
transformer T901.
296
418
4.0
8.15
6.4
8.15
Primary to accessible conductive
parts (R)
parts (R)
296
418
4.0
8.15
6.4
6.95
Hazardous live secondary to
unearthed conductive enclosure (R)
unearthed conductive enclosure (R)
* -
-
-
-
-
-
Hazardous live secondary to non
hazardous live secondary
hazardous live secondary
* -
-
-
-
-
-
*) Distance too short. Short circuit does not cause any shock hazard
Notes:
1. Secondary circuits of Class II apparatus which have connector terminals that could be earthed (e.g.
antenna signal input), are subjected to the requirements for circuits conductively connected to the mains in
Tables 8 and 9.
2. Floating secondary circuits of Class I apparatus which have connector terminals that could be earthed
(e.g. antenna signal input), are subjected to the requirements for circuits conductively connected to the
mains in Tables 8 and 9 unless the floating secondary circuit is separated from the primary circuits by an
earthed metal screen (e.g. in the power transformer), or the floating secondary circuit is connected to earth
via a component such as a capacitor.
3. For insufficient clearances and creepage distances from secondary to secondary circuits and from
secondary circuits to earth, see Cl. 4.3.1, 4.3.2 and 11.2.
4. If the minimum creepage distance in Table 11 is less than the minimum required clearance in Tables 8, 9
or 10 as required, then the value for clearance is used as the minimum creepage distance .
"Min" = minimum required.
Notes:
1. Secondary circuits of Class II apparatus which have connector terminals that could be earthed (e.g.
antenna signal input), are subjected to the requirements for circuits conductively connected to the mains in
Tables 8 and 9.
2. Floating secondary circuits of Class I apparatus which have connector terminals that could be earthed
(e.g. antenna signal input), are subjected to the requirements for circuits conductively connected to the
mains in Tables 8 and 9 unless the floating secondary circuit is separated from the primary circuits by an
earthed metal screen (e.g. in the power transformer), or the floating secondary circuit is connected to earth
via a component such as a capacitor.
3. For insufficient clearances and creepage distances from secondary to secondary circuits and from
secondary circuits to earth, see Cl. 4.3.1, 4.3.2 and 11.2.
4. If the minimum creepage distance in Table 11 is less than the minimum required clearance in Tables 8, 9
or 10 as required, then the value for clearance is used as the minimum creepage distance .
"Min" = minimum required.
"Actual = Actual dimensions measured.
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