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參數(shù)資料
| 型號： | LH1784-2RD2 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT AC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-32/11 |
| 文件頁數(shù)： | 6/21頁 |
| 文件大?。?/td> | 984K |
| 代理商： | LH1784-2RD2 |
H Series Data Sheet
70 Watt AC-DC Converters
BCD20019 Rev AA
Page 14 of 21
www.power-one.com
Safety and Installation Instructions
Connector Pin Allocation
Pin no. 26 (protective earth) is leading, ensuring that it makes
contact with the female connector first.
Table 12: Pin allocation
Fig. 16
View of male H11 connector.
Installation Instructions
The H Series converters are components, intended exclusively
for inclusion within other equipment by professional installers.
Installation must strictly follow the national safety regulations
in compliance with the enclosure, mounting, creepage,
clearance, casualty, markings and segregation requirements
of the end-use application.
Connection to the system shall be made via the female
connector H11. Other installation methods may not meet the
safety requirements.
The converters are provided with pin no. 26 ( ), which is
reliably connected with the case. For safety reasons, it is
essential to connect this pin with the protective earth of the
supply system.
A non-accessible input fuse is connected in the line to pin 32
(L ). Since this fuse is designed to protect the converter in
case of an overcurrent and does not necessarily cover all
customer needs, an external fuse suitable for the application
and in compliance with the local requirements may be
necessary in the wiring to one or both input pins (no. 29 and/or
no. 32), particularily if the phase or neutral line cannot be
assigned to the corresponding terminals.
Important:
If the inhibit function is not in use, pin 2 (i) should be
connected with pin 23 (Vo–) to enable the output(s).
Caution:
Do not open the converters, or warranty will be
invalidated.
Make sure that there is sufficient air flow possible
for convection cooling. This should be verified by
measuring the case temperature TC, when the
converter is installed and operated in the end-use
application.
The
maximum
specified
case
temperature TC max shall not be exceeded. See also
Thermal Considerations.
Cleaning Agents
In order to avoid possible damage, any penetration
of liquids (e.g., cleaning fluids) has to be prevented,
since the power supplies are not hermetically
sealed.
Note:
All boards are coated with a protection lacquer.
Protection Degree
Condition: Female connector fitted to the converter.
IP 40: All models, except those with options D or V with
potentiometer.
IP 20: All models other models.
Standards and Approvals
The converters correspond to class I equipment and have
been approved according to the standards IEC 60950-1 and
EN 60950-1.
The converters have been evaluated for:
Class I equipment
Building in
Basic insulation between input and case and double or
reinforced insulation between input and output, based on
the input voltage of 250 VAC or 400 VDC
Functional insulation between output(s) and case
Functional insulation between the outputs
Pollution degree 2 environment
Overvoltage catagory II
Altitude up to 2000 m
The converters are subject to manufacturing surveillance in
accordance with the above mentioned standards and with ISO
9001:2000.
Isolation
The electric strength test is performed in the factory as routine
test in accordance with EN 50116 and IEC/EN 60950, and
should not be repeated in the field. Power-One will not honor
any warranty claims resulting from electric strength field tests.
1 Not connected, if option neither option D or V is fitted.
2 Leading pin
32 29 26 23 20 17 14 11 85 2
10028
Electrical determination
LH1000
LH2000
LH3000
Pin
Ident
Pin
Ident
Pin
Ident
Inhibit
2
i
2
i
2
i
Safe Data or ACFAIL
5
D or V1
5
D or V1
5
D or V 1
Output voltage (positive)
8
Vo+
8
n.c.
8
Vo3+
Output voltage (negative)
11
Vo–
11
n.c.
11
Vo3–
Voltage adjust
14
R
Adjust return
17
G
Output voltage (positive)
14
Vo2+
14
Vo2+
Output voltage (negative)
17
Vo2–
17
Vo2–
Output voltage (positive)
20
Vo+
20
Vo1+
20
Vo1+
Output voltage (negative)
23
Vo–
23
Vo1–
23
Vo1–
Protective earthing PE 2
26
AC neutral input
29
N
29
N
29
N
AC line input
32
L
32
L
32
L
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