Technical Specifications
Parameter Specification
Part Number / Model 1SDA100355R1
Product Molded Case Circuit Breaker (MCCB), Tmax XT5N series
Trip Unit EKIP DIP LS/I electronic release
Number of Poles 3‑pole (3P)
Rated Current (In) 630 A
Rated Operational Voltage (Ue) 690 V AC
Rated Insulation Voltage (Ui) 1000 V
Rated Impulse Withstand Voltage (Uimp) 8 kV
Interrupting Capacity – Icu 70 kA @ 220‑240 V AC / 36 kA @ 380‑440 V AC / 25 kA @ 500 V AC / 20 kA @ 690 V AC
Service Breaking Capacity – Ics Same as Icu (varies by voltage)
Frame Size XT5N 630
Connection Type Front bolt terminals
Mounting Type Fixed installation
Standards Compliance IEC 60947‑2
Rated Power Loss ~45 W (typical)
Mechanical Endurance ~20,000 operations
Electrical Endurance ~5,000 electrical cycles
Typical Dimensions Width ~140 mm, Height ~205 mm, Depth ~103.5 mm
Approx. Weight ~4.8 kg
The ABB 1SDA100355R1 is a three‑pole molded case circuit breaker (MCCB) from ABB’s SACE Tmax XT5N series with a solid‑state electronic release (EKIP DIP LS/I). It is designed for fixed installation with front terminals and provides dependable overload and short‑circuit protection in industrial and commercial low‑voltage AC power distribution systems. With a high rated current of 630 A and robust fault‑interruption capabilities, this breaker offers precise protection using the electronic EKIP trip unit, making it suitable for protecting feeders, main circuits, motors, generators, and other critical loads in demanding electrical installations.