Key Parameters Category Description / Value Product Line Eaton NZM3 Model / Frame Size NZM3-XKS Release Type Fixed Thermal-Magnetic (Standard "A" Release) • Non-adjustable overload and short-circuit protection. Rated Current (Iₙ) 125 A (This is a fixed value for this specific variant, e.g., NZM3-XKSA 125). The XKS frame typically covers ratings from 80A up to 125A. Poles 3-Pole & 4-Pole versions are commonly available. Rated Operational Voltage (Uₑ) 690 V AC, 50/60 Hz Rated Insulation Voltage (Uᵢ) 690 V AC Rated Ultimate Short-Circuit Breaking Capacity (Iᶜᵘ) Typically 50 kA at 400V AC (IEC 60947-2). The exact value should be verified from the technical data sheet. Release Characteristics Thermal (Long Delay): For overload protection. Magnetic (Instantaneous): For short-circuit protection. Both are factory-set and non-adjustable. Standards Compliance IEC/EN 60947-2 Connection Standard screw terminals. Mounting Fixed Mounting (for bolted direct installation in panels). Auxiliary Contacts & Accessories Compatible with a range of NZM3 accessories, which can be added on, such as: • Auxiliary Contacts (OF, SD) • Undervoltage Release (UV) • Shunt Trip (ST) • Rotary Handle Operator (for door mounting) • Padlockable Handle Locks
