Eaton Cooper Power Series 15 kV 200 A Loadbreak Rotatable Feedthru Insert LFI215

Product Specifications

Product Name/Series: Eaton Cooper Power Series Loadbreak Rotatable Feedthru Insert (LFI215 Series)Maximum Rated System Voltage (Um): 15 kV Class (Perfectly optimized for standard 8.3/14.4 kV and below medium voltage distribution grids)

• Lightning Impulse Insulation Withstand (BIL): 95 kV Peak Crest Parameters.
• AC Power Frequency 1-Minute Withstand Voltage: 34 kV rms Symmetrical Baseline.
• DC 15-Minute Withstand Voltage: 53 kV Symmetrical Parameter.
• Minimum Corona Voltage Extinction Level: 11 kV (Partial discharge screened at strictly < 3 pC).

Continuous Base Current Capacity: Rated for 200 A rms continuous current carrying loops with reliable switching performance.Short Circuit Fault Current Withstand: Validated up to 10,000 A rms Symmetrical Peak for 0.17 second duration, and 3,500 A rms for 3.0 full seconds.Loadbreak Switching Performance: Rated for 10 consecutive switching operations at 200 A rms under a 14.4 kV system voltage baseline. 

Symmetrical Array & Voltage Configuration Matrix

The Eaton Cooper Power series 200A loadbreak infrastructure is tightly structured to provide flexible dual-bushing transformation and precise audible torque control across standard equipment wells:

• Patented Built-In Torque-Limiting Ratchet Layout: Prevents operators from accidentally breaking bushing well studs during installation and releases with an audible clicking upon reaching correct torque.
• 360° Continuous Rotatable Orientation: Allows full 360° positioning after tightening to easily orient the dual interfaces in the best position for compact cabinet arrangements.
• Standardized IEEE 386 Interface Geometry: Engineered with 100% geometric dimensional interchangeability, seamlessly mating with any brand’s 200A 15kV class loadbreak elbow connectors built to the same standard.

 

Material & Structural Characteristics

• Direct-Molded Peroxide-Cured EPDM Rubber: Formulated, mixed, and molded entirely in-house to create a uniform, high-density insulation body that resists chemical oxidation and polymer tracking in severe environments.
• Semi-Conductive External EPDM Shielding Screen: High-quality outer skin that meets all IEEE Std 592™ requirements, remaining at absolute zero earth potential during live grid operation for 100% deadfront safe operator exposure.
• Field-Proven Copper Bus Bar Current Path: Features an advanced all-copper alloy design that ensures the coolest operating temperatures and superior long-term electrical reliability.
• Fault-Activated Copper Knurled Piston: Forced forward by gas pressure generated during fault close to engage the elbow probe, locking the piston in place and providing reliable current interchange.
• High-Strength Locking Nose Piece Groove: Made of high-strength, high-temperature plastic that securely locks the mating elbow connector to the feedthru insert.
• Bright Yellow Latch Indicator Ring: An exclusive molded-in circumferential ring on the collar that provides immediate visual feedback; when completely covered by the elbow, it eliminates guesswork by ensuring a 100% fully latched connection.

 

Product Functions

1. Dual Bushing Expansion & Conversion: Provides two loadbreak bushings from a single apparatus well, allowing practical radial-feed to feedthru transformer conversion and in-line surge arrester additions.2. Advanced Loadbreak Arc Extinguishing: Equipped with an internal arc-snuffer assembly made of arc-ablative plastic that generates localized arc-extinguishing gas to safely quench electrical arcs during live loadbreak switching.3. Deadfront Hermetic Submersion Shielding: When mated with a comparably rated component, it establishes a 100% fully screened, fully submersible, and dust-tight cable connection link for underground and vault environments. 

Key Features

1. Zero Safe Phase Air Gap Requirement: Fully insulated deadfront geometry removes the need for standard phase-to-phase air separation clearances, dramatically down-scaling the total footprint of compact switchgear and padmount enclosures.2. Tool-Free Positive Torque Field Deployment: No specialized hydraulic tools or torque wrenches required; the built-in ratchet mechanism handles perfect tightening and torque limitation automatically.3. Non-Aging Bio-Fluid Chemical Compatibility: Formulated using premium EPDM polymers proven to maintain total structural stability and zero swelling when fully submersed in hot transformer mineral oil or plant-based Envirotemp FR3 fluids.4. 100% Factory Quality Certification: Every production kit undergoes rigorous quality testing including 100% high-pC micro-volt corona screening, 1-minute AC withstand verification, and automated fluoroscopic analysis.