Tmax XT5L 400_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Specification Details Product Type Low‑Voltage Molded Case Circuit Breaker (MCCB) Series / Model Tmax XT5L 400 Rated Current (In) 400 A Number of Poles 3‑pole or 4‑pole options Frame Size XT5 (larger industrial frame) Rated Operational Voltage (Ue) Up to 690 V AC / 600 V DC Standards Compliance UL/CSA certified construction and performance Trip Unit Options Thermomagnetic (TMA/MCP) or electronic (Ekip DIP, Ekip Touch, LSIG variants) Interrupting Rating 100 kA at 480 V AC (typical “L” frame rating) Terminal Type Front terminals (FF style) Installation Type Fixed mounted in panels or switchboards Auxiliary / Accessories Optional auxiliary contacts, shunt trip, undervoltage release, communication modules Operational Uses Main protection, feeder protection, motor and load isolation Typical Applications Industrial power distribution, commercial building electrical panels, heavy machinery protection

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DESCRIBE

The ABB Tmax XT5L 400 is a fixed‑frame molded‑case circuit breaker (MCCB) designed for industrial and commercial low‑voltage power distribution and protection. It provides reliable overload, short‑circuit, and fault protection for electrical systems up to 400 A continuous current. The XT5L breaker can be equipped with different trip units (thermomagnetic or electronic) depending on application needs, enabling selective protection and adjustable coordination. The breaker features front terminals and a robust mechanism suitable for installation in distribution panels, switchboards, and machinery control panels.

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