300KN Triple Sheds Porcelain Suspension Insulator with 550mm Creepage Distance for 330-1000KV Power Lines

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Brand: HIVOLT

Product Description

Product Overview

300KN triple sheds anti-pollution high voltage suspension insulator in grey color with zinc sleeve, designed for superior electrical performance and mechanical reliability in demanding power transmission applications.

Technical Specifications

Parameter	Unit	Value
Spacing	mm	195
Shed Diameter	mm	360
Creepage Distance	mm	550
Coupling Size	-	24
Rated Mechanical & Electrical Strength	KN	300
Impact Strength	N.m	10
Power Frequency Withstand Voltage (Dry)	KV	90
Power Frequency Withstand Voltage (Wet)	KV	50
Lightning Impulse Withstand Voltage (Positive)	KV	130
Lightning Impulse Withstand Voltage (Negative)	KV	130
Puncture Voltage	KV	130
RIV Test Voltage to Ground	KV	10
Maximum RIV at 1 MHz	μV	50

Advanced Features

High-Quality Insulation: Manufactured from C130 high aluminum porcelain with grey, brown, or white glaze options, available in custom specifications
Durable Metal Components: Density ductile iron caps tested with magnetic powder method and forged steel pins, all featuring hot-dip zinc coating
Triple Shed Design: Superior electrical performance compared to standard fog type insulators, with reduced wind force impact for enhanced transmission line safety
Comprehensive Testing: Each unit undergoes routine tension load strength testing (50% of rated mechanical strength for 1 minute) and flashover testing
Batch Quality Assurance: Sample testing includes visual/dimensional checks, temperature cycle tests, mechanical & electrical failing load tests, puncture tests, and galvanization thickness verification

Applications

Suitable for suspension strings in high voltage power transmission lines including 330KV, 400KV, 500KV, 750KV, and 1000KV systems.

Competitive Advantages