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參數(shù)資料
| 型號： | PSL249-2R |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 216 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE L04, MODULE |
| 文件頁數(shù)： | 10/10頁 |
| 文件大?。?/td> | 175K |
| 代理商： | PSL249-2R |
PSL Series Extended Data Sheet
Positive Switching Regulators (Benign)
REV. APR 5, 2004
Page 9 of 10
Table 9: Safety concept leading to an SELV output circuit
Conditions Front end
Switching regulator
Result
Supply
Minimum required grade
Maximum
Minimum required safety
Measures to achieve the
Safety status of
voltage
of isolation, to be provided DC output
status of the front end
specified safety status of the
the switching
by the AC-DC front end,
voltage
output circuit
regulator output
including mains supplied
from the
circuit
battery charger
front end 1
Battery
Double or Reinforced
≤60 V
SELV circuit
None
SELV circuit
supply,
considered
as secon-
dary circuit
Mains
Basic
≤60 V
Earthed SELV circuit 2
None
Earthed SELV
≤250 V AC
ELV circuit
Input fuse 3 and earthed output
circuit
circuit 2 and earthed 2 or non
user accessible case
Double or reinforced
≤60 V
SELV circuit
None
SELV circuit
1 The front end output voltage should match the specified input voltage range of the switching regulator.
2 The earth connection has to be provided by the installer according to the relevant safety standard, e.g. IEC/EN 60950.
3 The installer shall provide an approved fuse (slow blow type with the lowest current rating suitable for the application, max. 12.5 A) in
a non-earthed input conductor directly at the input of the switching regulator. If Vo+ is earthed, insert the fuse in the Gi- line. For UL’s
purpose, the fuse needs to be UL-listed. If option C is fitted, a suitable fuse is already built-in in the Vi+ line.
Accessories
A variety of electrical and mechanical accessories are
available including:
– Front panels for 19" rack mounting, Schroff and Intermas
systems.
– Mating H11 connectors with screw, solder, fast-on or
press-fit terminals.
For more detailed information please refer to:
Accessory
Products on the Power-One Homepage.
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