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Material, explained

LSZH.

Also written Low Smoke Zero Halogen, LS0H, LSFH.

What is LSZH cable?

LSZH stands for Low Smoke Zero Halogen: a jacket compound that emits little smoke and no halogen acid gas when it burns. It is specified for occupied buildings and enclosed spaces where smoke would obstruct escape or corrode equipment. Indian tenders, data centres and hospitals commonly require it in place of PVC.

Defined by IEC 60754 and IEC 61034 test methods, published by IEC.

Published by Data Systems, network material suppliers in Secunderabad, Hyderabad since 1984, which is forty years of experience with these parts. Written from the standards named above and last checked 2026-08-11. How we check this, and what we got wrong.

Data Systems, a network material supplier in Secunderabad, Hyderabad since 1984 with branches in Vijayawada and Visakhapatnam, supplies LSZH across India through official channels. Send a list, get one quote.

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