GENERAL
Power Requirements: ----------------- 100 VAC to 240 VAC
(and -10%/+10% of end limits)
Frequency: ---------------------------------------------- 50/60 Hz
AC Input Power: ------------------------------------- 75 WATTS
Operating Temperature Range: --------------- 0 to +50
0
C
Internally Mounted (50 mm) Axial Fan
(12 VDC @ 140 mA): ---------------------- 12 CFM (ft
3
/min.)
Output Voltages: -------- +5 VDC @ 4.75 Amps max.;
+12 VDC @ 3 Amps max.
MECHANICAL
Dimensions: (WxHxD): ----------- 4.2 in. x 3.5 in. x 9.4 in.
(10.7 cm x 8.9 cm x 23.9 cm)
Weight: -------------------------------------------2.6 lbs. (1.2 Kg)
CONNECTORS
AC Input: -------------------------------------------------------- IEC
DC Output: --------------------------------------------- 37-pin D
Fuse (Internal, AC input): 2A, 250 V
SLO-BLO
5 x 20 mm
(Power supply assembly employs short circuit and
over-voltage protection).
ACCESSORY SUPPLIED
AC Power Cord: -------------------------------- 6 Ft., IEC, USA
PSM121 Rear Panel Connections
Both the AC input receptacle and DC output connector
are located on the rear panel of the power supply
module.
1. AC Input - The power supply accepts standard 100
to 240 VAC, 50/60 Hz inputs (and -10%/+10% of that
voltage range).
2. DC Output - The polarized D connector provides 12
sets of +12 VDC, +5 VDC, and Ground connection
cables for the compatible modular rack units.
® is a registered trademark of the R.L. Drake Company
© Copyright 2006 R.L. Drake Co. P/N: 3851506F-02-2006 Printed in the U.S.A.
®
PSM121 Power Supply 1
PSM121 POWER SUPPLY
20
37
1
19
+5 VDC
(4.5A Max):
Pins 1,4, 7,
12, 15, 18,
21, 24, 27,
30, 33, 36.
+12 VDC
(3A Max):
Pins 2,3, 5,
6, 8, 9, 11,
13, 14, 16,
17, 19.
GND:
Pins 10, 20,
22, 23, 25,
26, 28, 29,
31, 32, 34,
35, 37.
100-240 V
50/60 Hz
75 WATTS
®
R.L. DRAKE COMPANY
230 INDUSTRIAL DRIVE
FRANKLIN, OHIO 45005 U.S.A.
CUSTOMER SERVICE AND PARTS TELEPHONE:
+1(937) 746-6990
TELEFAX: +1 (937) 806-1576
WORLD WIDE WEB SITE: http://www.rldrake.com
