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1SDA058151R1

The ABB 1SDA058151R1 is a fixed three-pole moulded case circuit breaker (MCCB) from the ABB Tmax T5N series, designed for industrial and commercial electrical protection. It features an electronic solid-state trip unit (PR221DS-LS/I) that provides reliable current protection for AC circuits. The breaker has front-mounted terminals for easy installation and is suitable for use in power distribution systems where UL and CSA certification is required.

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Technical Parameters Parameter Specification Product Name ABB Tmax T5N 400 MCCB with Electronic Trip Unit Part / Order Code 1SDA058151R1 Series ABB Tmax T5N Type Moulded Case Circuit Breaker (MCCB) Number of Poles 3-pole Rated Current (In) 400 A Rated Operational Voltage 600 V AC Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 8 kV Trip / Release Type PR221DS-LS/I (Electronic solid-state trip unit) Terminal Connection Fixed front terminals Interrupting Capacity (UL489) 65 kA @ 240 V AC; 25 kA @ 480 V AC; 18 kA @ 600 V AC Mechanical Durability ~20,000 cycles Protection Functions Overload and short-circuit protection (via electronic release) Mounting Style Fixed MCCB Standards / Certifications UL and CSA listed Degree of Protection IP20 Release Adjustment Ranges Short-circuit and delayed settings (as configured on PR221DS-LS/I) Motor Drive Option Optional motor operator available