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AF0100 Datasheet
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AF0100 Manual
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Littelfuse Arc-Flash Relay Brochure
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Littelfuse Arc-Flash Relay FAQ
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AF0100 Application Guide
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AF0500 Datasheet
The AF0500 is a microprocessor-based arc-flash relay that limits arc-fault damage by detecting the light from an arc flash and rapidly tripping the feeder breaker.
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AF0500 Manual
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AF0500 CAD Drawing
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AF0500 Arc-Flash Relay Application Guide
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TN AF-02 AF0500 Arc-Flash Relay Guideform Specifications Word Doc
AF0500 Arc-Flash Relay Guideform Specifications
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Littelfuse Arc Flash Energy Reduction Workbook
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PGR-8800 Datasheet
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PGR-8800 Manual
The PGR-8800 Arc-Flash Relay is a high-speed, arc-detection device for electrical power distribution systems.
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PGR-8800 CAD Drawing
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PGR-8800 Arc-Flash Relay Application Guide
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Arc-Flash Case Study
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PGR-8800 Firmware Update Instructions
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PGR-8800 Arc-Flash Relay FAQ
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TN AF-01 PGR-8800 Arc-Flash Relay Guideform Specifications Word Doc
PGR-8800 Arc-Flash Relay Guideform Specifications Technical Note...
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TN AF-01 PGR-8800 Arc-Flash Relay Guideform Specifications
PGR-8800 Arc-Flash Relay Guideform Specifications Technical Note...
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PGR-8800 SKM Device Library Update
Update your SKM software to list the validated PGR-8800 when calculating your incident energy. Using this will save time by automatically determining your systems trip times, arc flash boundaries and required PPE. Please visit www.skm.com for instructions on how to install the SKM file.
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New Mining Technology Article - Arc-Flash Relays Help Mines Reduce Accidents
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Littelfuse Arc-Flash Relay Brochure - Spanish
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PGR-8800 Manual Spanish
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PGA-LS10 CAD
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PGA-LS10 PDF Drawing
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Electrical Product Portfolio Brochure
We offer industry leading power fuses, protection relays and custom power centers as well as generator protection, controls and alarm panels.
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Littelfuse Selco D1000 Presentation
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PGA-1100 Datasheet
The PGA-1100 Diode Logic module is an optional accessory for the Littelfuse Arc Flash Relays.
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CT200 CAD Drawing
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CT200-CT200L Drawing
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11.1 Ground-Fault CT Selection Flowchart
GROUND-FAULT-CT SELECTION FLOWCHART...
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11-1AU Earth-Fault CT Selection Flowchart Australia
EARTH-FAULT-CT SELECTION FLOWCHART...
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11-2 Locating Phase Conductors in a Zero-Sequence-CT Window
An ideal window-type current transformer responds only to the sum of the currents flowing through its window...
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11-3 Hammond CTs
HAMMOND CT’s...
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11-4 Trailing Cable Types
TRAILING CABLE TYPES TECHNICAL INFORMATION...
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11-5 Polycast 200 5 CT Test
POLYCAST 200:5 CT TEST TECHNICAL INFORMATION...
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11-6 CT-Turns-Ratio Modification
A window-type current transformer is also referred to as a core-balance or flux-balance transformer...
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11-7 GE Multilin 2000 1 CT Compatibility with Startco Relays
The HGF5 can be used as a ground-fault-current sensor with Startco MPS, MPU-32, MPU-16A, FPU-16, SE-701, and SE-330 protective relays...
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11-8 Ground-Fault Current Transformer Location
A ground fault on a grounded system can be detected using a current-sensitive groundfault monitor...
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11-9 Sensitive Ground-Fault Protection Using Split-Core CTs
A zero-sequence CT is optimized by using a symmetrical core and windings that are evenly spaced around the core. The symmetry allows the CT to operate in the presence of high load currents...
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TN CT-10 CT and PT Polarity Testing
Correct operation of MPS and FPS relays depends on accurate polarity. Markings on current transformers (CT) and potential transformers (PT) have been occasionally misapplied from the factory...
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TN CT-11 FPL Zero-Sequence Sensors with Littelfuse Relays
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EFCT Datasheet
The EFCT series is a sensitive nickel-core current transformer used with Littelfuse relays to detect low levels of earth-leakage current.
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CT Selection Guide
The Current Transformer (CT) Selection Guide provides assistance in selecting the appropriate CT for each protection relay.
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