GLS253-C, GLS255-C Installation & Operating Instructions
To comply with the published safety standards, the following must be observed when using
this power supply:
1. Maximum ambient temperature for GLS255-C must not exceed 50°C. Maximum
ambient temperature for GLS253-C must not exceed 50°C at 250 W, 21 A or 70°C at
125 W, 10.5 A.
2. When installing the power supply in the end-use equipment, special attention is
required to ensure safety compliance with the following safety standards: UL60950-1,
EN60950-1, IEC60950-1, and CSA22.2 No. 60950-1-03; including the requirements
for creepage distances, clearances, and distance through insulation between primary
wiring and earth or secondary (SELV) wiring.
3. The power supply’s rated input voltage is automatically selected. Please refer to the
specication sheet for the input voltage range.
4. The maximum output power of the supply must not exceed the rating indicated in the
specication sheet.
5. This unit contains a secondary output exceeding 240 VA. When installing the unit into
the end system, make sure the secondary output and the appropriate wire cannot be
touched.
6. The earth ground wire must be connected only to the point marked with the earth
ground symbol (on the unit).
7. The disconnection from the line must be in the end system.
8. Hazardous voltages exist in the primary circuits. Disconnect the power supply before
servicing.
9. When operating with a dc input voltage range, the unit input must be protected by a dc
rated fuse in the end-use installation system.
10. The internal fuse should only be replaced with a F6.3AH, 250 V ac, type 21606.3
manufactured by Littelfuse, type 50CF063H manufactured by Triad, or type S501
manufactured by Cooper.
NOTE: Components, such as capacitors, may be positioned in front of the internal fuse.
The unit must be protected by a fuse in the end system.
11. This equipment is considered Class I according to protection against electric shock.
Mechanical Outline
A
Bus
Bar
B
Output Adj.
SK1
3
2
1
SK7
SK4
SK5
1
SK3
8
Connector PIN Designation
Input Connector PIN GLS253-C GLS255-C
SK1
Output Connector PIN GLS253-C GLS255-C
Bus Bar
SK3
SK4
SK5
SK7
1 Neutral
2 Line
3 Earth GND
A +6 V to +12 V +24 V to +48 V
B Common
1 +Sense
2 -Sense
3 Inhibit (normally open)
4 Inhibit (normally closed)
5 Common
6 C. Share
7 P OK
8 Dc OK
1 Fan (+)
2 Fan (-)
1 +5 V (aux)
2 Common
1 Fan (+)
2 Fan (-)
12. This power supply is
2006/95/EC.
13. For technical assistance, contact SolaHD Technical Support at (800) 377- 4384 or send
an e-mail to tech@solahd.com. Please visit our Web site at www.solahd.com for addi-
tional product information and specication sheets.
Visit our Web site at www.solahd.com or contact Technical Support at (800) 377- 4384 with any questions P/N: A272-193 Rev 0 5/5/09 Ref: 03361002223
marked following the provisions of the Low Voltage Directive,
Output Ratings
Model Output Voltage (V)
GLS253-C +6 to +12 21.0
GLS255-C +24 to +48 10.4
30 CFM Forced Air Cooling
Max. Output Current (A) Max. Output Power (W)
(unit not convection rated)
250 with cover
GLS253-C, GLS255-C Installation & Operating Instructions
5.00 [127.0]
Mechanical Dimensions
1.18 [30.0]
6.63 [168.6]
Bottom View
3.42 [87.0]
10.00 [254.0]
Typical Ventilation Setup
2.50 [63.5]
BASEPLATE
(0.039 in/1mm THK. SHEET ALUMINIUM)
POWER SUPPLY
UNIT
Fan Used: Minebea 2410ML-04W-B60, 12 V dc, 0.40 A
Dc Input for Fan Testing: 12 V dc
NOTE: Dimensions and fan used are for reference only
9.00 [228.6]
SK1
AIR FLOW
14.00 [355.6]
.59 [15.0]
F
A
N
5.00 [127.0]
.50 [12.7]
2.50 [63.5]
Top View
216.40 [8.51]
1.18 [30.0]
.24 [6.1]
9.00 [228.6]
Side View
All dimension are in inches [mm]
Screw Size: #6-32
Visit our Web site at www.solahd.com or contact Technical Support at (800) 377- 4384 with any questions.
GLS253-C and GLS255-C are commercial designations of model numbers LPS253 and LPS255 respectively.
2.50 [63.5]
While every precaution has been taken to ensure accuracy and completeness in this manual, EGS Electrical Group, LLC.
assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions.
©2009 EGS Electrical Group, LLC. All rights reserved. Specications subject to change without notice.
GLS250 Series Specifications
Electrical Specifications
Input
Input ra nge 85-264 Vac; 120-300 Vdc
Frequency 47-440 Hz
Inrush current 20 A max, cold start @ 25°C
Efficiency 75% typical at full load
EMI filter
Safety ground
leakage current
Output
Maximum power With cover: 250 W with 30 CFM forced air, (-C) (-CF) (-CEF)
Adjustment range 2:1 wide ratio
Supervisory output 5 V @ 100 mA regulated, 12 V @ 500 mA
Hold-up time 20 ms @ 250 W load, 115 Vac nominal line
Overload protection
Overvoltage protection 5 V output: 5.7 to 6.7 Vdc; Other models 10% to 25% above nominal output
Minimum load 1st output: 0.63 A - GLS253-C; 0.32 A -GLS255-C
Logic Control
Power failure TTL logic signal goes high 50-150 msec after 5 V output. It goes low at least 4 msec before loss of regulation
Remote on/off Requires an external contact (N.O. or N.C.) to inhibit outputs
DC-OK TTL logic goes high 50-150 msec after the output. It goes low when there is loss of regulation
Remote sense Compensates for 0.5 V lead drop minimum, will operate without remote sense connected. Reverse connection protected
FCC Class B conducted and radiated; CISPR 22 Class B conducted and radiated;
EN55022 Class B conducted and radiated; VDE 0878 PT3 Class B conducted and radiated
<0.5 mA @ 50/60 Hz, 264 Vac input
Short circuit protection on all outputs.
Case overload protected @ 10-145% above peak rating
Environmental Specifications
Operating temperature
Storage temperature -40°C to 85°C
Temperature coefficient ±0.4% per °C
Electromagnetic
susceptibility
Humidity Operating; non-condensing 5% to 95%
Vibration Three orthogonal axes, sweep at 1 oct/min, 5 min. dwell at four major resonances 0.7 G peak 5Hz to 500Hz, operational
MTBF demonstrated >550,000 hours at full load and 25°C ambient conditions
Mating Connectors
SK3 Molex 22-01-1084
PINS: 08-70-0057
SK4 Molex 22-01-3027
PINS: 08-50-0114
SK5 Molex 22-01-3027
PINS: 08-50-0114
SK7 Molex 22-01-3027
PINS: 08-50-0114
Connector Kit #70-841-005, includes all of the above
1. Specifications subject to change without notice.
2. All dimensions in inches (mm), tolerance is ±0.02”.
3. Specifications are at factory settings unless otherwise stated.
4. To enable normally closed remote inhibit, cut jumper J1.
5. Mounting maximum insertion depth is .12”.
6. Warranty: 2 year
7. Weight: 2.6 lbs/1.19 kg
Phone: (800) 377-4384
Email: tech@solahd.com
www.solahd.com
0° to 50°C ambient. Derate each output at 2.5% per degree from 50° to 70°C
Designed to meet IEC 801, -2, -3, -4, -5, -6, Level 3
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