Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—PR221DS,3P
PR221DS,3P
Technical Parameters Parameter Typical Specification Type Molded Case Circuit Breaker (MCCB) Series/Family ABB Tmax T with PR221DS electronic trip Poles 3P (three phases) Rated Current (In) e.g., 630 A (varies by specific model) Trip Unit Type PR221DS electronic solid‑state release Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Rated Impulse Withstand Voltage (Uimp) 8 kV Short‑Circuit Breaking Capacity (Icu) Up to 50 kA (varies with frame/size) Service Short‑Circuit Breaking Capacity (Ics) Defined per voltage; depends on model Terminal Connection Front terminals (fixed) Mounting Configuration Fixed frame Trip Functions Electronic overload and short‑circuit protection Standards Compliance IEC 60947‑2 (Low‑Voltage Circuit Breakers) Typical Use Electrical distribution panels, motor feeders, industrial systems
DESCRIBE
This is a three‑pole molded case circuit breaker from ABB’s Tmax T family equipped with a PR221DS type electronic solid‑state trip unit. It provides protection for electrical circuits against overloads and short circuits with precise electronic tripping characteristics. The solid‑state release improves trip accuracy and reliability over thermal/magnetic only designs, making it suitable for industrial and commercial power distribution applications.
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