Technical Parameters
Parameter Specification
Product Name ABB SACE T6D 630
Product Type Molded‑Case Circuit Breaker (Switch‑Disconnector)
Series / Frame T6D (Tmax)
Rated Current (Iₙ) 630 A
Number of Poles 3‑pole (3P) version shown; 4‑pole versions also available
Rated Insulation Voltage (Uᵢ) 1000 V
Rated Impulse Withstand Voltage (Uᵢₘₚ) 8 kV
Rated Operational Voltage (Uₑ) Up to 690 V AC; DC usage also supported when specified
Rated Uninterrupted Current (Iᵤ) 630 A
Short‑Circuit Performance Level “D” level (standard performance)
Rated Short‑Time Withstand Current (Icw) Defined by Tmax series coordination tables
Mechanical Durability ~20 000 operations
Electrical Durability Defined per Tmax series cycle rating
Mounting / Version Fixed (F F) with front terminal connections
Typical Application Main breaker, feeder protection, distribution board switching
Standards Compliance IEC 60947 series
The ABB SACE T6D 630 is a molded‑case circuit breaker / switch‑disconnector designed for low‑voltage electrical distribution and protection in industrial and commercial installations. It belongs to the Tmax T6D product range and is rated for a nominal current of 630 A. This breaker provides a reliable method to interrupt and isolate electrical circuits under overload and short‑circuit conditions, as well as to act as a manual load disconnector where required.