BTicino BTDIN45 - 1P Mcb curve C - In= 20A - Icn= 4.5kA - Vn= 230/400Vac — FA81C20

Technical specifications

Manufacturer model: FA81C20 Catalogue reference: BT-FA81C20 EAN: 8005543471517 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-fa81c20 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