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參數(shù)資料
| 型號： | FS2660-7ERD6TB1 |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE S02, MODULE |
| 文件頁數(shù)： | 17/31頁 |
| 文件大?。?/td> | 633K |
| 代理商： | FS2660-7ERD6TB1 |
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Cassette Style
100 Watt DC-DC Converters
S Series
Edition 1/01.2000
24/31
Table 14: Safety concept leading to an SELV output circuit
Conditions
Front end
DC-DC converter
Result
Nominal
Minimum required grade
Nominal DC
Minimum required
Type
Measures to achieve the
Safety status
supply
of insulation, to be pro-
output voltage
safety status of the
specified safety status of
of the DC-DC
voltage
vided by the AC-DC front
from the front
front end output
the output circuit
converter
end,including mains
end 1
circuit
output circuit
supplied battery charger
Mains
Operational (i.e. there is
≤100 V (The
Primary circuit
AS,
Double or reinforced
SELV circuit
≤150 V AC no need for electrical
nominal voltage
BS,
insulation, based on
insulation between the
the mains voltage and
mains supply voltage
pin and earth can
based on the maximum
and the DC-DC converter
be up to 150 V AC
nominal output voltage
input voltage)
or DC)
from the front end (pro-
Mains
≤400 V (The
CS,
vided by the DC-DC
≤250 V AC
nominal voltage
DS,
converter) and earthed
between any input
ES,
case 3
pin and earth can
FS
be up to 250 V AC
or 400 V DC)
Basic
≤400 V
Unearthed
AS,
Supplementary insulation,
hazardous voltage
BS,
based on 250 V AC and
secodary circuit
CS
double or reinforced
DS,
insulation 2 (provided by
ES,
the DC-DC converter)
FS
and earthed case 3.
Earthed
Double or reinforced
hazardous voltage
insulation 2 (provided by
secondary circuit
the DC-DC converter)
and earthed case 3
Double or reinforced
≤60 V
SELV circuit
Operational insulation
(provided by the DC-DC
converter) 4
≤120 V
TNV-3 circuit
Basic insulation 2 (pro-
vided by the DC-DC
converter) 4
1 The front end output voltage should match the specified input voltage range of the DC-DC converter.
2 Based on the maximum nominal output voltage from the front end.
3 The earth connection has to be provided by the installer according to the relevant safety standard, e.g. IEC/EN 60950.
4 Earthing of the case is recommended, but not mandatory.
Fig. 24
Schematic safety concept
Use earth connection as per table:
Safety concept leading
to an SELV output circuit. Use fuse if required by the ap-
plication. See also:
Installation Instructions.
AC-DC
front
end
DC-DC
con-
verter
Mains
Battery
SELV
Earth connection
+
–
~
10022
Max. 150 V AC or DC for AS, BS
Max. 250 V AC or 400 V DC for CS, DS, ES, FS
Fuse
Max. 150 V AC or DC for AS, BS
Max. 250 V AC or 400 V DC for CS, DS, ES, FS
Safety of Operator Accessible Output Circuit
If the output circuit of a DC-DC converter is operator acces-
sible, it shall be an SELV circuit according to the IEC/EN
60950 related safety standards
The following table shows some possible installation con-
figurations, compliance with which causes the output circuit
of the DC-DC converter to be an SELV circuit according to
IEC/EN 60950 up to a configured output voltage (sum of
nominal voltages if in series or +/– configuration) of 35 V.
However, it is the sole responsibility of the installer to as-
sure the compliance with the relevant and applicable safety
regulations. More information is given in:
Technical Infor-
mation: Safety.
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