Technical Parameters
Parameter Specification
Product type Molded Case Circuit Breaker (MCCB)
Product series ABB SACE Tmax T1N
ABB Ordering Code 1SDA050922R1
Poles 3 poles
Terminal type Front fixed + Front cable terminals (FFC) for copper cables (up to ~70 mm²)
Trip unit type TMD (Thermo‑magnetic)
Current setting range 100–1000 A
Rated current (frame rating) 160 A
Rated operational voltage (Ue) Up to 690 V AC / 500 V DC
Rated insulation voltage (Ui) 800 V AC
Rated impulse withstand voltage (Uimp) 8 kV
Rated service short‑circuit breaking capacity (Ics) 37.5 kA @ 220–230 V AC; 27 kA @ 380–415 V AC; 11 kA @ 440 V AC; 7.5 kA @ 500 V AC; 3 kA @ 690 V AC
Rated ultimate short‑circuit breaking capacity (Icu) 36 kA @ 380–415 V AC; 22 kA @ 440 V AC; 15 kA @ 500 V AC; 6 kA @ 690 V AC; DC ratings also supported
Protection functions Overload protection and short‑circuit protection
Standards compliance IEC 60947‑2
Electrical durability ~8,000 operations
Mechanical durability ~25,000 operations
Power loss per pole ~7 W (at rated conditions)
Operating frequency 50 / 60 Hz
Mounting Fixed panel installation
Typical applications Industrial and commercial power distribution, feeder protection, switchboards, control panels
Replacement product (newer) 1SDA067416R1 (Upgraded Tmax XT1N variant)
The ABB 1SDA050922R1 is a three‑pole molded case circuit breaker from ABB’s SACE Tmax T1N series, designed for protection and manual switching in low‑voltage electrical distribution systems. It features a TMD thermo‑magnetic trip unit with adjustable overload and short‑circuit protection range from 100 A to 1000 A, and front fixed & front cable (FFC) terminals for easy installation with copper cables. The breaker provides reliable protection against overloads and short‑circuits in industrial, commercial, and distribution panel applications.