Specifications
| Product Type | Moulded Case Circuit Breaker (MCCB) |
| Manufacturer | ABB |
| Series | SACE Tmax XT |
| Model | XT2S160 TMA |
| Number of Poles | 4P (Four Pole) |
| Frame Size | 160 A |
| Rated Current (In) | 40A: TMA 40-400 (Ir: 28–40 A, Im: 400 A) 50A: TMA 50-500 (Ir: 35–50 A, Im: 500 A) 63A: TMA 63-630 (Ir: 44.1–63 A, Im: 630 A) 80A: TMA 80-800 (Ir: 56–80 A, Im: 800 A) 100A: TMA 100-1000 (Ir: 70–100 A, Im: 1000 A) 125A: TMA 125-1250 (Ir: 87.5–125 A, Im: 1250 A) |
| Trip Unit Type | TMA Thermomagnetic Adjustable Release |
| Short-Circuit Performance Level | S |
| Rated Uninterrupted Current (Iu) | 160 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 Frequency | 50 / 60 Hz |
| Breaking Capacity (Icu) | 85 kA @ 220–240 V AC 50 kA @ 380–415 V AC 36 kA @ 500 V AC 25 kA @ 525 V AC 12 kA @ 690 V AC |
| Installation Type | Fixed version, front terminals |
| Terminal Connection | Front connection (F F) |
| Mechanical Durability | 25,000 operating cycles |
| Electrical Durability | 8,000 operating cycles |
| Standards | IEC 60947-2 |
| Dimensions (H × W × D) | 130 × 120 × 82.5 mm |
| Weight | 1.45 – 1.6 kg |
| Application | Protection of low-voltage distribution systems against overload and short-circuit faults in industrial and commercial installations |













