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010-322-C0-003, Rev C

Electrical — General

Efficiency

> 90%

Grounding

Positive or negative terminal (user preference)

Startup Time

< 20s

Electrical — Input

Voltage, minimum

42Vdc

Voltage, nominal

48Vdc

Voltage, maximum

62Vdc

Electrical  — Output I/II

Voltage, minimum

41 Vdc

Voltage, maximum

61Vdc

Current, nominal

3A

Output Ripple, max.

500mV RMS

Overcurrent/Short Circuit Protecting 

Mode

Hiccup

Protection Trigger

<10ms

Threshold

4A

Environment

Operating Temperature

-40°C to +65°C (-40°F to +149°F)

Storage Temperature

-50°C to +70°C (-58°F to +158°F)

Solar Loading

Inclusive maximum operating temperature

Humidity

0-95%, Non-condensing

Altitude

Temp. spec applicable to 5,000ft (1524m). Above 5,000ft, 

de-ratemax temp 2°C per additional 1,000ft (304.8m)

2.0 

Specifications, continued 

2.2  Output Distribution Board (optional)

Summary of Contents for ELPM300-48D

Page 1: ...ELPM300 48D DC UPS Power Supply Installation and Operation Manual Effective July 2009 Alpha Technologies ELPM 300 48D ...

Page 2: ...Power Alpha Technologies ...

Page 3: ...f this powering system please contact Alpha Technologies or your nearest Alpha representative Alpha shall not be held liable for any damage or injury involving its enclosures power supplies generators batteries or other hardware if used or operated in any manner or subject to any condition not consistent with its intended purpose or is installed or operated in an unapproved manner or improperly ma...

Page 4: ...ring Connections 13 1 6 Status LEDs 15 1 7 AC Input Power Connection 15 1 8 Battery Connection 15 1 9 Output Distribution Board optional 16 2 0 Specifications 17 2 1 ELPM300 48D DC Power Supply 17 2 2 Output Distribution Board 19 2 3 FlexNet Installation Kit and Options 20 List of Figures Fig 1 1 Top view Mounting Bracket Extension Range 11 Fig 1 2 Front view ELPM 300 48D 11 Fig 1 3 Battery Layout...

Page 5: ...f this product the following symbols have been placed throughout this manual Where these symbols appear use extra care and attention Safety Information CAUTION presents safety information to PREVENT DAMAGE TO customers equipment NOTE gives readers additional information to help them complete a specific task or procedure ATTENTION is used for specific regulatory code requirements that may affect th...

Page 6: ...ectrolytic which are electrically conductive and are corrosive Follow the Chemical Hazards notes if contact occurs Do not smoke or introduce sparks in the vicinity of a battery Under certain overcharging conditions lead acid batteries can vent a mixture of hydrogen gas that is explosive Proper venting of the enclosure is required Follow the battery manufacturer s approved transportation and storag...

Page 7: ...y spilled battery emission with the special solution contained in an approved spill kit or with a solution of one pound Bicarbonate of soda to one gallon of water Report chemical spill using your company s spill reporting structure and seek medical attention if necessary Always replace batteries with those of an identical type and rating Never install old or untested batteries Do not charge batter...

Page 8: ...stall old or untested batteries Do not charge batteries in a sealed container Each individual battery should have at least 0 5 inches of space between it and all surrounding surfaces to allow for convection cooling All battery compartments must have adequate ventilation to prevent an accumulation of potentially dangerous gas Recycling and Disposal Instructions Spent or damaged batteries are consid...

Page 9: ...by means of a ground lug on the back of the cabinet for pole mounted enclosures or to a ground lug inside the cabinet for ground mounted enclosures and connected to the ground rod by means of a listed grounding clamp suitable for direct burial or exothermic weld Normally it is specified that the impedance of this ground can be no greater than 25 ohms at 60 Hertz If however dual ground rods are ins...

Page 10: ...8D is a small form outdoor rated uninterruptible power supply for distributed communications networks The unit can be installed in a variety of Alpha enclosures and is powered by 120Vac or 240Vac line input or 48Vdc battery string The 48Vdc 300 Watt output provides uninterruptible power for various distributed communications networks Features and benefits Power Modules can be used in a variety of ...

Page 11: ...crews at least one per side and attach unit on the mounting bar in the upper compartment of the enclosure 3 30 83 82mm 2 50 63 5mm 4 00 101 6mm 3 40 86 36mm 11 06 281mm 12 00 304 8mm 10 10 257mm 5 98 152mm 4 375 111mm 2 18 55 3mm 5 5 139 7mm Fig 1 2 Reference dimensions ELPM 300 48D Front view Fig 1 1 Mounting Bracket Extension Range Top view ...

Page 12: ... battery orientation may vary Do not connect the batteries to the Flexnet 300 unit at this time The RTS must be taped to the side of a center battery as shown below Connect the other end to the RJ 11 temperature jack on the front of the power supply 4A 3A 2A 1A Air Gap To Battery connector To Temperature connector Red Black Red Fig 1 3 Battery Layout and RTS Placement ...

Page 13: ...cated on the front panel of the unit Associating with this connector an opto coupler transistor array is connected between the output alarm pins Batt Low Batt Miss Repl Batt and AC Fail and the ground pin Tel Comm as shown In the normal state all the transistors are turned off and all the alarm pins are separated to the ground When an alarm is present the micro controller will turn on the correspo...

Page 14: ... alarm reports An alarm signal is reported only after a failure persists for a certain period of time This time delay is designed to avoid customers being annoyed by trivial short period failures for example short time AC failure Time Delay for Each Alarm AC fail The unit reports AC fail after the battery voltage is less than 52 8V and the battery discharges for 17 Amp mins Batt Low The unit repor...

Page 15: ...t power switch located on the side of the housing to the correct voltage and plug the AC power cord into the receptacle Verify that the green LED is continuously illuminated and the red LED begins to blink within 20 seconds indicating that the battery pack is not yet installed _ 1 8 Battery Connection Using a multimeter verify that 48Vdc is present at the connection leading from the battery pack a...

Page 16: ... Attach the Output Distribution Board to the Adapter Bracket by aligning and sliding the hanger brackets onto the bracket screws 1 Loosen both screws enough to allow the bracket prongs to slide over the screw heads 2 Firmly tighten only the bottom screw to secure the module 3 75 95 25mm J1 Input connector 300 W output from unit Input wire harness Alpha P N 875 255 20 J3 150W Output Output wire har...

Page 17: ...rrent Limit 7A Minimum Power Factor 60 Harmonic Input Current Class A per CE 1000 2 3 230Vac 50Hz Maximum Surge Current 50A peak Protection Fuse MOV Line Leakage 2 5mA max at 264Vac 50Hz Surge Transient protection IEEE Std C62 41 1991 level C Power Cord 3 NEMA 515 120VAC plug Electrical Output 48Vdc Power Capability 320W continuous Voltage 40 to 62Vdc For some models max output voltage is 56Vdc Nu...

Page 18: ...Display LED STATUS Green Steady Output OK Green Blinking Standby Operation Both Blinking Fault Red Blinking Batt Low Missing Red Steady Replace Battery Electrical Status Monitor Interface Status Monitoring Alarms Battery Low Battery Missing Replace Battery AC Fail Environment Operation Temperature 40 C to 55 C 40 F to 131 F Storage Temperature 40 C to 70 C 40 F to 158 F Solar Loading Inclusive max...

Page 19: ...minal 3A Output Ripple max 500mV RMS Overcurrent Short Circuit Protecting Mode Hiccup Protection Trigger 10ms Threshold 4A Environment Operating Temperature 40 C to 65 C 40 F to 149 F Storage Temperature 50 C to 70 C 58 F to 158 F Solar Loading Inclusive maximum operating temperature Humidity 0 95 Non condensing Altitude Temp spec applicable to 5 000ft 1524m Above 5 000ft de ratemax temp 2 C per a...

Page 20: ... Battery Heater Mat Alpha P N 189 057 10 is not shown Battery Cable Kit Alpha P N 875 218 21 See Section 1 8 Mounting Brackets Hardware Alpha P N 604 564 C4 See Section 1 2 Output Cable Kit Alpha P N 875 262 20 See Section 1 4 RTS Remote Temperature Sensor Alpha P N 740 162 27 See Section 1 3 Alarm Telemetry Connector Alpha P N 545 866 10 NOTE 19 EIA Rack Mounting Brackets Alpha P N 604 907 A1 ...

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Page 25: ... www alpha com Alpha Technologies Ltd 4084 McConnell Court Burnaby BC V5A 3N7 CANADA Tel 1 604 430 1476 Fax 1 604 430 8908 Alpha Technologies Europe Ltd Twyford House Thorley Bishop s Stortford Herfordshire CM22 7PA UNITED KINGDOM Tel 44 1279 501110 Fax 44 1279 659870 Alpha Technologies GmbH Hansastrasse 8 D 91126 Schwabach GERMANY Tel 49 9122 79889 0 Fax 49 9122 79889 21 Alphatec Ltd P O Box 5646...

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