BTicino BTDIN45 - 1P+N Mcb curve B - In= 20A - Icn= 4.5kA - Vn= 230Vac — FA881B20

Technical specifications

Manufacturer model: FA881B20 Catalogue reference: BT-FA881B20 EAN: 8005543460399 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 Number of protected poles: 1 Mounting method: DIN rail Colour: Grey Connection type: Screwed terminal Voltage type: AC Rated current: 20A Rated voltage: 230V Release characteristic: B degree of impact strength (IK): IK02 Degree of protection (IP): IP20 Number of poles (total): 2 Confirm the required regional standard and system compatibility when selecting this model. Product reference: https://www.bticino.com/products/bt-fa881b20 Source: https://www.bticino.com/products/low-voltage-protection-and-power-distribution/btdin-modular-protection-and-command-devices?limit=48&page=4&sort=a-to-z Checked: 2026-10-11