BTicino BTDIN45 - 1P+N Mcb curve C - In= 50A - Icn= 4.5kA - Vn= 230Vac — FA81NC50

Technical specifications

Manufacturer model: FA81NC50 Catalogue reference: BT-FA81NC50 EAN: 8005543471760 Range: Btdin Manufacturer category: Low-voltage protection and power distribution/Btdin modular protection and command devices/Thermal magnetic circuit breakers/BTDIN45 Mcb's Icn=4.5kA Confirm the required regional standard and system compatibility when selecting this model. Product reference: https://www.bticino.com/products/bt-fa81nc50 Source: https://www.bticino.com/products/low-voltage-protection-and-power-distribution/btdin-modular-protection-and-command-devices?limit=48&page=3&sort=a-to-z Checked: 2026-10-11