Toughened Glass

MacLean Power Systems’ toughened glass insulators deliver proven performance, long-term reliability, and visual assurance for transmission and sub-transmission applications. Designed for use in suspension and deadened configurations, these insulators provide dependable electrical insulation and mechanical strength across a wide range of system voltages and environmental conditions.

 

Manufactured using a controlled thermal toughening process, each glass unit is engineered to achieve high mechanical strength and consistent electrical performance.

 

Available in a range of standard profiles, mechanical ratings, and coupling configurations, MPS toughened glass insulators integrate seamlessly into existing line designs and utility standards. Backed by MacLean Power Systems’ commitment to quality manufacturing and rigorous testing, these insulators provide a reliable solution for utilities requiring glass insulation.

Description

Links & PDFs

Catalog Number ANSI or IEC Class Coupling Type Min Mechanical Failing Load lbs/kN Proof Routine Test Mech. Load lbs/kN Impact Strength in-lbs Shell Diameter in/mm Coupling Length in/mm Leakage Distance in/mm Dry Flashover kV Wet Flashover kV CIFO + kV CIFO - kV Puncture Voltage kV RIV Test Voltage kV Max RIV a 1 MHz µV
MG523Z 52-3H B 22,000/98 11,000/49 400 10.0/255 5.75/146 12.6/321 80 50 125 130 130 10 50
MG525Z 52-5H J 30,000/133 15,000/67 400 10.0/255 5.75/146 12.6/321 80 50 125 130 130 10 50
MG528Z 52-8H K 40,000/178 20,000/89 400 11.0/280 5.75/146 15.7/400 80 50 125 130 130 10 50
MG5211Z 52-11 K 50,000/222 25,000/111 400 11.0/280 6.14/156 15.7/400 80 50 140 140 130 10 50
MG300Z IEC-24 24 67,442/300 33,721/150 400 12.6/320 7.68/195 19.1/485 85 50 130 130 130 10 50
MG550Z IEC-32 32 123,645/550 61,822/275 400 14.2/360 9.45/240 25.0/635 90 55 140 150 130 10 50
MG420Z IEC-28 28 94,420/420 47,210/210 400 14.2/360 8.07/205 21.7/550 90 55 140 140 130 10 50

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