IEC Standard U300B Porcelain Suspension Insulator for 400KV Power Lines - 300KN Strength, 485mm Creepage

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: Negotiable

Brand: HIVOLT

Product Description

Technical Specifications

Technical Specification	Unit	Value
Spacing	mm	195
Shed Diameter	mm	320
Creepage Distance	mm	485
Coupling Size	-	24
Rated Mechanical & Electrical Strength	KN	300
Impact Strength	N.m	10
Power Frequency Withstand Voltage
Dry	KV	80
Wet	KV	45
Lightning Impulse Withstand Voltage
Positive	KV	130
Negative	KV	130
Puncture Voltage	KV	130
RIV Test Voltage to the Ground	KV	10
Max RIV at 1 MHz	μV	50

Advanced Features

Insulation made from high-aluminum C130 porcelain with grey, brown, or white glaze options
Ductile iron metal caps tested with magnetic powder method for quality assurance
Forged steel pins with hot-dip zinc coating for corrosion resistance
Comprehensive routine testing including 50% rated mechanical strength and flashover tests
Batch sample testing covering dimensional checks, temperature cycles, M&E failing load, puncture tests, and galvanization thickness

Applications

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

Quality Assurance

HIVOLT insulators feature excellent mechanical and electrical characteristics with 2-year quality guarantee. Each unit undergoes thorough testing to ensure defect-free performance. Custom designs available based on technical specifications.