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Instruction Leaflet IL 33-LGH-3
Digitrip Retrofit System for the ITE
LG-3000 (Frameless) Circuit Breaker
Effective September 2010
Supersedes IL 33-LGH-2 Dated 10/00
Contents
Description
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step.1:.
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Step.2:.
.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step.3:.
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Step.4:.
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Step.5:.
.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Step.6:.
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Step.7:.
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Step.8:.
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Step.9:.
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Step.10:. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Step.11:. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Step.12:. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Step.13:. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Step.14:. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Parts.List. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Page
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Summary of Contents for Eaton Digitrip Retrofit System
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Page 1: Table Of Contents
Effective September 2010 Instruction Leaflet IL 33-LGH-3 Supersedes IL 33-LGH-2 Dated 10/00 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Contents Description Page Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Step.1:. - Page 2 Digitrip Retrofit System for the ITE Instruction.Leaflet.IL 33-LGH-3 LG-3000 (Frameless) Circuit Breaker Effective September 2010 WARNING POWER CIRCUIT BREAKERS ARE EQUIPPED WITH HIGH SPEED, HIGH ENERGY OPERATING MECHANISMS. THE BREAKERS AND THEIR ENCLOSURES ARE SIGNED WITH SEVERAL BUILT-IN INTERLOCKS AND SAFETY FEATURES INTENDED TO PROVIDE SAFE AND PROPER OPERATING SEQUENCES.
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Page 3: Introduction
Digitrip Retrofit System for the ITE Instruction.Leaflet.IL 33-LGH-3 LG-3000 (Frameless) Circuit Breaker Effective September 2010 Section 1: Introduction Eaton.Digitrip.Retrofit.Kits.are.available.in.a.number.of.configurations. that.provide.a.wide.range.of.features ...The.Digitrip.System.starts. with.the.510.Basic.Kit.that.offers.true.RMS.sensing,.overcurrent. protection,.and.self-testing.features ..Advanced.Digitrip.Retrofit.Kits. feature.zone.interlocking,.digital.alphanumeric.displays,.remote.alarm. signals,.PowerNet.communications,.energy.monitoring.capabilities,. power.factors,.and.harmonic.content.measurements . Table.1.provides.a.quick.reference.of.the.components.supplied.with. each.level.of.Retrofit.Kit ...Before.beginning.the.Retrofit.process,. take.a.minute.to.review.the.information.contained.in.Table.1 ...It.is. important.that.the.Retrofitter.understands.which.level.of.Retrofit.Kit. is.to.be.installed.and.which.components.are.included.with.the.Kit . The.instructions.contained.in.this.manual.cover.the.installation.of.all. levels.of.Retrofit.Kit ...If.the.Kit.you.are.installing.does.not.contain. a.certain.component,.skip.the.instructions.for.that.component.and. -
Page 4: Step.1
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker Step 1: General Breaker Preparation Step 2: Removing the Original Components Before attempting to remove the Breaker from the Follow the ITE LG-3000 (Frameless) Instruction... -
Page 5: Step.3
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 Step 3: Installing the Auxiliary CT Module C. Mount the Aux. CT Module Mounting Bracket to the front Breaker Frame, as shown, using the original mounting hardware and the (2) .500"... -
Page 6: Step.4
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker E. Connect the Sensor Harness to the proper H. Install the connector from the Aux. CT terminals on the Aux. CT Module. Refer to Harness into the receptacle on the Aux. - Page 7 Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 B. Align the two (2) large holes in the CPT D. The CPT Harness will connect the CPT to the Mounting Bracket with the bolts used to secure Trip Unit.
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Page 8: Step.5
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker Step 5: Installing the Sensors G. Attach the appropriate label for the Breaker in a clearly visible position. Four (4) labels are A. For Kits Supplied with a Breaker Mounted CPT included with the CPT, one (1) for 575 Volt, one Only. - Page 9 Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 C. Secure the Sensors and the Sensor Support F. Connect the ring terminals of the Sensor Brackets to the Sensor Mounting Bracket, as Harness to the Sensors as shown.
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Page 10: Step.6
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker Step 6: Installing the DTA, Reset, and Trip B. Align the two (2) large slots in the DTA Assemblies Assembly Mounting Bracket with the bolts used to secure the side cover. - Page 11 Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 F. Mount the Trip Assembly to the Breaker Trip H. Remove and save the two (2) nuts, two (2) Bar, as shown, using the (2) .250-20 x 1.00"...
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Page 12: Step.7
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker Step 7: Setting the Gap and Cage Height B. Loosen the lock nuts on the Reset Shaft, below and above the brass spacer. Turn the adjusting nuts until a cage height of approximately .73"... -
Page 13: Step.8
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 Step 8: Preparing the Trip Unit Assembly E. Align the Glass Poly Barrier Assembly with the holes in the Trip Unit Support Brackets. Secure the Glass Poly Barrier Assembly to the Trip Unit Assembly using the (2) .164-32 x .312"... -
Page 14: Step.9
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker For Kits Supplied with an Auxiliary Switch Only. Step 9: Installing the Trip Unit Assembly H. Align the Microswitch with the holes in the Trip Unit Mounting Bracket. -
Page 15: Step.10
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 For Kits Supplied with a PT Module Only. Step 10: Final Connection of the Harnesses and Wiring C. As the Trip Unit Assembly is being mounted, route the PT Wires down into the Breaker. - Page 16 Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker Connect the wires to the bottom of each Phase Note: For 510 Basic Retrofit Kits, the External Frame using the (3) .250-20 x .375" bolts, Harness is the plug pictured here.
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Page 17: Step.11
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 For Kits Supplied with a Breaker Mounted A. Assure that the HV Fuses are in an accessible CPT Only. location, then feed the HV Wires throug the... -
Page 18: Step.12
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker C. Cut the HV Wires to the appropriate length for Step 12: Testing the Breaker attachment to the appropriate top Breaker A. Measure the force necessary to trip the Stabs. -
Page 19: Step.13
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 3. For 810 and 910 Kits Only. Without any power Step 14: Installing the Retrofitted Breaker in applied to the system (neither the 120 volt the Cell power supply nor the Aux. -
Page 20: Parts.list
Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker Digitrip Retrofit Kit Installation Components for the ITE LG-3000 Frameless Series Breaker Step Description Style No. Qty. Comment Step 3 Aux. CT Module 6503C59G__ Aux. - Page 21 Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 Digitrip Retrofit Kit Installation Components for the ITE LG-3000 Frameless Series Breaker (Continued) Step Description Style No. Qty. Comment Step 8 Trip Unit...
- Page 22 Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE Effective September 2010 LG-3000 (Frameless) Circuit Breaker Digitrip Retrofit Kit Installation Components for the ITE LG-3000 Frameless Series Breaker (Continued) Step Description Style No. Qty. Comment Step 9 Rating Plug...
- Page 23 Instruction Leaflet IL 33-LGH-3 Digitrip Retrofit System for the ITE LG-3000 (Frameless) Circuit Breaker Effective September 2010 A. Sensors H. External Harness B. Trip Unit Cell Terminal Block Assembly C. Aux. CT Module J. Sensor Harness D. CPT Transformer K. Aux. CT Harness E.
- Page 24 Digitrip Retrofit System for the ITE Instruction.Leaflet.IL 33-LGH-3 LG-3000 (Frameless) Circuit Breaker Effective September 2010 Table 2. Torque Values for General Mounting and Screw Size Conversion. Decimal Size (in) Standard Size Torque (in-lbs) Torque (ft-lbs) .112 4.40 .138 6.32 .164 8.32 .190 10.32 .250 1/4-20 .312 5/16-18 17.2 .375...
- Page 25 Digitrip Retrofit System for the ITE Instruction.Leaflet.IL 33-LGH-3 LG-3000 (Frameless) Circuit Breaker Effective September 2010 Notes: EaTon CoRpoRaTIon www.eaton.com...
- Page 26 Digitrip Retrofit System for the ITE Instruction.Leaflet.IL 33-LGH-3 LG-3000 (Frameless) Circuit Breaker Effective September 2010 Notes: EaTon CoRpoRaTIon www.eaton.com...
- Page 27 Digitrip Retrofit System for the ITE Instruction.Leaflet.IL 33-LGH-3 LG-3000 (Frameless) Circuit Breaker Effective September 2010 Notes: EaTon CoRpoRaTIon www.eaton.com...
- Page 28 Digitrip Retrofit System for the ITE Instruction.Leaflet.IL 33-LGH-3 LG-3000 (Frameless) Circuit Breaker Effective September 2010 The.instructions.for.installation,.testing,.maintenance,.or.repair. herein.are.provided.for.the.use.of.the.product.in.general.commercial. applications.and.may.not.be.appropriate.for.use.in.nuclear.applica- tions ..Additional.instructions.may.be.available.upon.specific.request. to.replace,.amend,.or.supplement.these.instructions.to.qualify.them. for.use.with.the.product.in.safety-related.applications.in.a.nuclear. facility . The.information,.recommendations,.descriptions,.and.safety.nota- tions.in.this.document.are.based.on.Eaton’s.experience.and.judg- ment.with.respect.to.Retrofitting.of.Power.Breakers ..This.instruction- al.literature.is.published.solely.for.information.purposes.and.should. not.be.considered.all-inclusive ..If.further.information.is.required,.you. should.consult.an.authorized.Eaton.sales.representative . The.sale.of.the.product.shown.in.this.literature.is.subject.to.the. terms.and.conditions.outlined.in.appropriate.Eaton.selling.policies. or.other.contractual.agreement.between.the.parties ..This.literature. is.not.intended.to.and.does.not.enlarge.or.add.to.any.such.contract .. The.sole.source.governing.the.rights.and.remedies.of.any.purchaser.
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