BASLER ELECTRIC, BOX 269, HIGHLAND, IL 62249 PHONE 618/654-2341 FAX 618/654-2351

INTRODUCTIONThe Energy Storage Device ESD 202 is usedwhere a station battery source is not availableto provide circuit breaker trip power. The ESD202 converts ac bus voltage to dc and storesenough energy to trip the circuit breaker (191Vdc @ 9.1 Joules) one time for 12 secondsafter ac power has been interrupted.

WARNING!To prevent personal injury or equipmentdamage, only qualified technicians oroperators should install, operate, orservice this device.

ELECTRICAL SPECIFICATIONSOutput Power:191-339 Vdc9.1 Joules minimum at 191 Vdc21.6 Joules minimum at 295 Vdc24.2 Joules minimum at 311 Vdc28.7 Joules minimum at 339 VdcThere will be at least 9.1 Joules at 191 Vdc,12 seconds after removal of ac input voltage.Power Input:Operating range: 208 to 240 V +10%, Singlephase, 50/60 Hz, Burden 10.0 VA maximum.Power Dissipation:2.0 Watts maximum continuous.

PHYSICAL SPECIFICATIONSOperating Temperature:-25 C (-13 F) to +65 C (+149 F).Storage Temperature:-40 C (-40 F) to +85 C (+185 F).Vibration:Withstands 2 Gs at 10 to 200 Hz in each ofthree mutually perpendicular axes.Shock:Withstands 15 Gs in each of three mutuallyperpendicular axes.DimensionsRefer to the Outline Drawing.Weight:0.55 lb. (0.25 kg) Net.Meets CSA C22.2, Number 14, IndustrialControl Equipment.Meets UL 508, Industrial Control Equipment.

THEORY OF OPERATION (Refer to theFunctional Block Diagram)Power input to the ESD 202 is 240 Vac. Thisinput is rectified and used to charge the outputcapacitor (C1) to approximately 340 Vdc. Aslong as the ac input is applied, C1 continuesto be charged in this manner. The capacitorwill hold a charge of at least 9.1 Joules at 191Vdc for at least 12 seconds after the ac poweris removed from the input.HUMAN-MACHINE INTERFACEThe LED DS1 indicates that the ESD 202 isoperationally ready. DS1 illuminates when thecapacitor has the minimum charge of 150 Vdcat 5.6 Joules The LED does not indicatewhether or not the ac input is being applied.INTERCONNECTIONThe device should be connected as shown inthe Interconnection Diagram.Each breaker should be provided with its ownESD 202. The use of a single ESD 202 toprovide a tripping output for more than onebreaker (or other device) is not recommended.Such configurations should only beconsidered when it can be demonstrated,through independent testing, thatcombinations of breakers (or devices) can bereliably operated from a single ESD 202.OPERATIONWhen the ESD 202 is properly interconnectedand after 240 Vac input power has beenapplied, the unit is operationally ready. Theillumination of the LED indicates that the unitis charged and ready. No adjustments of anytype should be necessary.

NOTERead DISCHARGING paragraph beforeworking on unit.

DISCHARGINGSince more than 300 Vdc can be present on theESD 202 output terminals, it is advisable todischarge the storage capacitors if the unit is tobe worked on for any reason. The followingprocedure can be used for discharging thestorage capacitor.

CAUTIONLethal voltages are present. Qualifiedpersons should install, operate orservice this device.

1. Obtain a 470 ohm, 5 watt wirewoundresistor.

2. Connect a few inches of 14 AWG, 600 V,insulated wire to each end of the resistor.

3. Remove ac power input from terminals 1and 4.

4. To discharge the capacitors, CAREFULLYtouch one wire to Terminal #3 and theother wire to Terminal #4. Hold the wireson the terminals for at least 5 seconds.

5. Insure that the capacitors are dischargedby connecting a dc Voltmeter acrossterminals 4(-) and 3(+).

REPAIRSThe ESD 202 is not field repairable. Shouldthe device require repairs, return it to thefactory for service.FIELD SERVICE AND ADJUSTMENTThe ESD 202 has been completely checked atthe factory. If for any reason the unit fails tooperate properly, it should be returned to thefactory for repair and/or replacement.

CONFIDENTIAL INFORMATIONOF BASLER ELECTRIC COMPANY, HIGHLAND, IL.IT IS LOANED FOR CONFIDENTIAL USE, SUBJECTTO RETURN ON REQUEST, AND WITH THEMUTUAL UNDERSTANDING THAT IT WILL NOT BEUSED IN ANY MANNER DETRIMENTAL TO THEINTEREST OF BASLER ELECTRIC COMPANY.

Publication:

9 2905 00 990

1997, 1998, Basler Electric Co., Highland, IL 62249First Printing January 1997

Revision: A January 1998ECA: 16560

INSTRUCTION MANUALFOR

ENERGY STORAGE DEVICEModel: ESD 202

Part Number: 9 2905 00 100

Functional Block Diagram

Interconnection Diagram

Note: Numbers are in inches (millimeters)Outline Diagram