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T6一630

The ABB T6-630 is a Frame Size 630 Ampere, Thermal-Magnetic Molded Case Circuit Breaker (MCCB) from ABB's Tmax XT series (which incorporates the legacy T6 series). It is a robust, three-pole circuit breaker engineered for primary feeder protection, main distribution, and safeguarding large industrial loads up to 630A.

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Technical Parameters Parameter Description / Value Product Series / Family Tmax XT (incorporating T6 Series) Breaker Type Molded Case Circuit Breaker (MCCB) Frame Size / Rated Current (In) 630 A (Maximum current rating for this physical frame). Rated Operational Voltage (Ue) Up to 690 V AC Number of Poles Typically 3 Poles as standard. Breaking Capacity Category Not Specified. Must be defined by a suffix (L, S, H, V). • L (Low): ~35kA • S (Standard): ~50kA • H (High): ~70kA @ 415V AC • V (Very High): ~100kA @ 415V AC (Values are frame-dependent and illustrative; confirm with official data for specific voltage). Trip Unit Type Not Specified. Common options: • A: Fixed Thermal-Magnetic (non-adjustable, standard curve). • P: Adjustable Thermal-Magnetic. • E / PR221/PR222: Electronic Trip Unit (with adjustable L, S, I, G functions). Protection Functions (if Thermal-Magnetic 'A') Thermal (inverse-time) overload and Magnetic (instantaneous) short-circuit protection. Standard IEC 60947-2 Electrical Durability Typically 6,000 - 8,000 operations at rated current. Common Accessories Auxiliary contacts (OF/SD), shunt trip (SOR), undervoltage release (UVR), rotary handle (FHH), padlock kits, door interlocks.