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Open Frame ( Without Cover )
Model
JWT75
Amb. Temp.
A
B
100
100
- 10~ + 35°C
40°C
100
100
100
100
45°C
50°C
100
83
55°C
83
67
67
50
60°C
65°C
50
-
With Cover
Model
JWT75
Amb. Temp
A
B
- 10~ +35°C
100
100
100
100
35°C
100
80
40°C
45°C
100
60
80
-
50°C
60
-
55°C
5-2. Mounting Method
(1) This is a convection cooling type power supply. In
the consideration for the heat radiation and safety.
Please take a distance more than 15mm between the
power supply and the peripheral parts. When lining
up multiple units, please make sure to place them
15mm or more apart from each other.
(2) The maximum allowable penetration of mounting
screws is 6mm.
(3) Recommended torque for mounting screw.
15mm or more
Provide punching, etc. to allow air to pass.
JWT100
C
D
A
B
C
100
100
100
100
100
100
83
100
100
100
83
67
100
100
83
67
50
100
83
67
50
-
83
67
50
-
-
67
50
-
-
-
50
-
-
JWT100
C
D
A
B
C
100
100
100
100
100
80
80
100
80
80
60
60
100
60
60
-
-
80
-
-
-
-
60
-
-
-
-
-
-
-
M4 screw : 1.27 N×m
( 13.0 kgf×cm )
Air flow
Sheet Metal
15mm or more
5-3. Optional sheet metal parts for mounting
Optional sheet metal mounting parts are available to meet
following mounting methods. Contact to DL sales repre-
D
sentatives.
-
-
-
-
-
-
-
Flat Type
D
-
-
-
-
-
-
6. Wiring Method
The output load line and input line shall be
separated and twisted to improve noise sensitivity.
Use all lines as thick and short as possible to make
lower impedance.
Noise can be eliminated by attaching a capacitor to
the load terminals.
For safety and EMI considerations, connect FG
terminal of JWT series to mounting set ground
terminal.
The recommended torque for the terminal piece:
JWT75, JWT100 ( M3 Screws ) : 0.49 N×m
7. External Fuse Rating
Refer to the following fuse rating when selecting the ex-
ternal fuses that are to be used on input line. Surge current
flows when line turns on. Use slow-blow fuse or time-lug
type fuse. Do not use fast-blow fuse. Fuse rating is speci-
fied by in-rush current value at line turn-on. Do not select
the fuse according to input current (rms.) values under the
actual load condition.
JWT75, JWT100 :
5
TDK-Lambda
JWT Series
INSTRUCTION MANUAL
L Type
DIN Rail Type
( 5.0 kgf×cm )
3.15A
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