Key Parameters Category Description / Value Product Line Eaton Air Circuit Breakers Series N4 Rated Current (Iₙ) 1000 A Poles 3-Pole & 4-Pole versions are available. Rated Operational Voltage (Uₑ) Up to 690 V AC, 50/60 Hz Rated Insulation Voltage (Uᵢ) 1000 V Rated Ultimate Short-Circuit Breaking Capacity (Iᶜᵘ) Very high, typically 65 kA to 100 kA at 400V AC (IEC 60947-2). The exact value must be verified from the technical data sheet. Trip Unit Type Standard "AS" Electronic Trip Unit • Provides adjustable protection functions (overload, short-circuit, and ground-fault). Operation Mechanism Manual stored-energy spring mechanism (allows for quick ON/OFF operation). Mounting Fixed Mounting (designed for bolted installation in switchgear panels) or Draw-out Version (available as an option). Standards Compliance IEC/EN 60947-2 Connection Primary power connections are typically made via busbars. Standard Accessories The "AS" version typically comes with a basic set of indicators and possibly a few built-in auxiliary contacts. A wide range of additional accessories are available.
