ANSI 52-4 Porcelain Suspension Insulator 70KN Strength 292mm Creepage for 132kV Transmission Lines

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Price: Negotiable

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Brand: HIVOLT

Product Description

ANSI 52-4 Grey Porcelain Suspension Insulator

Professional porcelain suspension insulator designed for distribution and transmission lines up to 132kV

Technical Specifications

Parameter	Unit	Value
Spacing	mm	146
Shed Diameter	mm	254
Creepage Distance	mm	292
Combined M&E Strength	KN	70
Impact Strength	N.m	6
Low Power Frequency Flashover Voltage
Dry	KV	80
Wet	KV	50
Critical Impulse Flashover Voltage
Positive	KV	125
Negative	KV	130
Puncture Voltage	KV	110
RIV Test Voltage to Ground	KV	10
Max RIV at 1 MHz	μV	50

Premium Material Construction

Cap and Pins: High-density ductile iron caps with magnetic powder inspection, forged steel pins, hot-dip galvanized with ASTM-compliant zinc thickness
Porcelain: High-aluminum porcelain (C120/C130) with smooth, shinning glaze in grey, brown, or white colors
Locking Device: Stainless steel construction ensuring secure insulator string connections
Cement: Premium Portland cement providing excellent mechanical performance and reliability

Applications

Suitable for tension and suspension strings in transmission lines including 11kV, 33kV, 66kV, and 132kV systems. Also commonly used for distribution line applications.

Competitive Advantages

High-reliability mechanical and electrical performance with 2-year quality guarantee
Smooth, shinning porcelain surface with excellent self-cleaning properties for easy maintenance
Custom designs and OEM products available upon request
Proven track record with extensive export experience