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1SDA067049R1

The ABB 1SDA067049R1 is a three‑pole molded case circuit breaker (MCCB) from ABB’s Tmax XT2N series featuring a magnetic only (MA/MF) release. It is designed for fixed installation with front terminals and provides reliable protection against short‑circuit and fault currents in low‑voltage power distribution systems. With a rated current of 20 A and a wide adjustable magnetic trip range, this circuit breaker is ideal for industrial and commercial electrical panel applications where dependable overcurrent interruption and coordination with other protection devices are required.

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Technical Specifications Parameter Specification Part Number / Model 1SDA067049R1 Product Type Molded Case Circuit Breaker (MCCB) Series / Family Tmax XT2N Trip Unit / Release Type Magnetic only (MA / MF) Number of Poles 3 poles (3P) Rated Current (In) 20 A Frame / Uninterrupted Current (Iu) 160 A Adjustable Magnetic Trip Range (Ii / Im) 120 A … 280 A Rated Operational Voltage (Ue) Up to 690 V AC / 500 V DC Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 8 kV Rated Service Short‑Circuit Breaking Capacity (Ics) Up to 65 kA at lower AC voltages; 36 kA at 380–440 V AC; 10 kA at 690 V AC Rated Ultimate Short‑Circuit Breaking Capacity (Icu) Same as Ics across rated voltages Terminal Type Front bolt terminals Connection Capacity Busbar/cable compatible (e.g., 32.5–100 mm²) Mechanical Durability ~25,000 operations Electrical Endurance ~8,000 operations Standards Compliance IEC 60947‑2 Weight (approx.) ~1.1 kg Dimensions (approx.) Width ~90 mm × Height ~130 mm × Depth ~82.5 mm