1SDA100434R1

ABB SACE Tmax XT5S 400 moulded-case circuit breaker (MCCB), 320 A rated current, 3-pole, fixed version with front terminals and thermomagnetic MA release. The breaker features an adjustable instantaneous magnetic trip range of 2240–4160 A and is designed for reliable protection of low-voltage electrical installations, including power distribution, cables, motors, generators and transformers. It is suitable for systems up to 690 V AC and incorporates the high-performance XT5S breaking class for demanding short-circuit protection applications. The compact fixed construction with front terminal connection allows straightforward installation in electrical distribution panels and industrial switchboards.