28905 INS80 4P Lasttrennschalter - Compact INS80 What this is - A compact four-pole load-break switch in the INS80 family - Provides reliable manual isolation of all four conductors at once - Standard execution with a black turning handle for easy operation Key benefits - Safe, single-action isolation: all four poles disconnect together for clear, decisive shutdown - 80 A current rating: suitable for mid-range control circuits and feeders - Compact INS80 form factor: fits in standard panel spaces and switchgear without excessive depth - Simple manual control: black turning handle offers intuitive operation and visibility - Designed as a Lasttrennschalter: purpose-built for load isolation in control cabinets and distributions Technical profile - Model: 28905 INS80 4P Lasttrennschalter - Poles: 4 - Current rating: 80 A - Mounting/size: compact INS80 format - Handle: standard black turning handle Why customers need it - When you require safe, verifiable isolation of four conductors in a single action - To support maintenance, fault clearing, and service procedures without interrupting unrelated circuits - To meet installation requirements for four-wire systems in control panels and switchgear Compatible applications and use scenarios - Industrial motor control panels: isolate all feeds to a four-pole motor circuit during maintenance or fault conditions - Machine control cabinets: provide a dedicated, easily operable service disconnect for four-wire control and power circuits - Building/distribution panels: use as a four-pole service disconnect in facilities with multi-wire distribution, ensuring all phases are disconnected together Notes - Construction material and enclosure details are not specified here; consult the datasheet for material, mounting clearance, and installation guidelines - Verify panel cutout compatibility with INS80 devices and ensure proper wiring practices for four-pole disconnect switches