UN R100: Proposal for Supplements to the 03 and 04 series of amendments
Reference Number: WP.29/2026/49
Proposal to correct inconsistencies in isolation resistance monitoring system requirements for vehicles of category O3 and O4 trailers to provide optical and/or audible warnings via CAN-Bus signal transmission. High voltage REESS isolation resistance requirement set at minimum 100 Ω/Volt or protection degree IPXXB fulfillment. Requirements do not apply to REESS solely installed on vehicles of category O or batteries used for recuperation.