Chapter 2 Specifications
2 – 11
(1) EH-PSA
Item Specification
Rated output voltage
5 V DC
24 V DC
Maximum DC output current
3.8 A
0.4 A
Efficiency
65 % minimum
（
Load of 5V 3.8A 24 V 0.4A after conducting electricity for 5 minutes at room
temperature and humidity)
Input voltage range
85 to 264 V AC wide range
Input current
1 A maximum
（
85 to 264 V AC
）
Input rush current
50 A maximum (Ta
＝
25
°
C), 100 A maximum (Ta
＝
55
°
C)
Output overcurrent protection
Output short-circuit protection
Instantaneous power failure
guarantee
10 ms maximum (85 to 100V AC)
20 ms maximum (100 to 264V AC)
Input leak current
3.5 mA maximum (60 Hz, 264 V AC)
Dielectric withstand voltage
1 minute at 1,500 V AC between (AC input) and (DC output)
1 minute at 750 V AC between (DC output) and (FE)
Insulation resistance
20 M
Ω
minimum (500 V DC) (1) Between AC input and FE
(2) Between AC input and DC output
Vibration resistance
Conforms to JIS C 0911 (16.7 Hz double amplitude 3 mm (0.12 in.) X, Y, Z each direction)
Conforms to JIS C 0040 (10 to 57 Hz single amplitude 0.075 mm)
(57 to 150 Hz constant acceleration 9.8 m/s
2
)
Shock resistance
Conforms to JIS C 0912
(10G, X, Y, Z directions)
Conforms to JIS C 0040
(15G, X, Y, Z directions)
Terminal configuration
Diagram of internal circuit
[1] 24
VDC+
[2]
24 VDC
-
Connect when using
24 V DC.
[3]
N.C.
Do not connect.
[4]
100 to 240
VAC
[5]
100 to 240
VAC
Connect the input
power.
[1]
[2]
[3]
[4]
[5]
[6]
[6] FE
Connect to Class D
grounding.
AC/DC
Converter
24 V DC
100 to 240
V AC
FE
5 V DC
＋
－
＋
－
Fuse
Fuse
Output
Input
Output
*1
*1
*1 The POWER LED does not light up if the fuse at 24VDC blows. The fuse is not replaced by users. Please contact your local
supplier to repair.
