
The ABB A1A 125 TMF 90-900 3p F F is a fixed three-pole circuit breaker designed for front terminals, featuring thermomagnetic release for reliable short-circuit protection. It is suitable for various applications, including transformer and generator installations, with a rated current of 90 A and a maximum short-circuit breaking capacity of 12.5 kA at 240 V AC[1][2][5].
Detailed engineering parameters based on manufacturer documentation