AC-DC Power Supplies
CHD250 Series
250 Watts
• 250 W Convection-cooled
• Industry Standard 3”x 5”Package
• 80 VAC to 300 VAC Input
• 5V Standby (optional)
• <0.5W Standby Power
• IT & Medical (BF) Safety Approvals
• Power Fail & Inhibit Signals
• 3 Year Warranty
Dimensions:
The universal AC input CHD250 provides 250W of convection cooled output power in a 3” x 5”
industry standard package, over the temperature range -20°C to +50°C with derating to +70°C.
Approved for IT and Medical and with a feature set including a 5V standby output, <0.5W input
power when in standby mode, power fail and inhibit signals the CHD250 is ideal for a wide range of
applications where fan cooling is not desirable.
CHD250:
5.00 x 3.00 x 1.43” (115 x 76 x 36 mm)
CHD250-C:
5.50 x 3.48 x 1.75” (139.7 x 88.5 x 44.4 mm)
Models & Ratings
Standby Supply V2
(1,2)
Output Voltage 1
Output Current V1
Output Power
Model Number
(optional)
5.0 V / 0.5 A
5.0 V / 0.5 A
5.0 V / 0.5 A
5.0 V / 0.5 A
5.0 V / 0.5 A
12 V
15 V
24 V
28 V
48 V
20.8 A
16.7 A
10.4 A
8.9 A
250 W
250 W
250 W
250 W
250 W
CHD250PS12
CHD250PS15
CHD250PS24
CHD250PS28
CHD250PS48
5.2 A
Notes
1. Add suffix ‘-C’ for cover version e.g. CHD250PS24-C (derating will be applicable, see derating curve fig. 8).
2. Add suffix -A for 5 V standby option or -AC for standby and cover options combined, (derating will be applicable, see derating curve fig. 8).
Mechanical Details
5.00 0.02 (127.0 0.51)
ø0.14 (3.5)
thru in 4 positions
L3
A
Output
Voltage
Control
C64
Input Connector
CON1
2.55
3.00 0.02
-VE
(76.2 0.51)
(64.7)
1
C53
2
E
+VE
T1
Output
Terminals
M4 Screws in
2 positions.
0.22
0.22
0.92
(5.71)
4.55 (115.5)
(5.71)
(23.4)
Torque to
8lbs-in
(90 cNm) max.
1.43 0.04
(36.3 1.0)
Pin 1
Pin 9
Pin 2
Pin 10
Detail A
Signals Connector CON4
10 Way JST B10B-PHDSS
Scale 3:1
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