ABB XT1SU3070AFF000XXX Circuit Breaker

ABB XT1SU3070AFF000XXX is a 3‑pole molded‑case circuit breaker from ABB’s SACE Tmax XT family, built on the XT1 frame to protect three‑phase low‑voltage feeders. It carries a 70 A rated current and uses a thermal‑magnetic trip mechanism (TMF) to provide reliable overload protection and fast short‑circuit interruption. In common catalog listings the device is rated for up to 600 V AC, with an interrupting capacity shown as 22 kA at 600 V; some regional pages also reference 480 V configurations, reflecting variant offerings. The AFF000XXX suffix identifies the model’s specific certification/accessory configuration as published by ABB and major distributors. This XT1SU3070AFF000XXX is designed for use in distribution panels and motor feeders in commercial and light‑industrial installations where dependable 3‑phase protection and coordination with adjacent protective devices are required.