By working safely and with the correct equipment, we ensure that everybody returns home safely. The ZennerNetworks patented Safe Isolation Device (ZN-SID) isolates electrical circuits up to 1000v AC/DC

ZN-SID Lock off device clamped by fuse puller to be inserted to empty fuse holder

Professional

We only offer the ZN-SID in the highest grade of Polybutylene Terephthalate (PBT) from the world leading supplier DuPont.

ZNSID secured by a padlock in a fuse holder ensuring Safe Isolation.

Approved

Rail industry approved and used by Transport for London (TFL) on the London Underground Tube network.

Data Sheet

Technical Data Sheet

Contact Us

Email