The ABB SACE Tmax T1B 160 is a thermal-magnetic circuit breaker designed for the protection of electrical lines and industrial installations against overloads and short circuits. It is part of the Tmax T1 series, offering high breaking capacity and reliable performance in low-voltage applications up to 690 V AC.

This device is suitable for installation in industrial switchboards, photovoltaic systems, and power distribution networks, ensuring safe operation and effective protection.

⚙️ Main Technical Specifications

• Manufacturer / Series: ABB – SACE Tmax T1
• Model: T1B 160
• Rated current (In): 80 A
• Number of poles: 3P

Electrical Ratings:

• Rated operational voltage (Ue): up to 690 V AC
• Insulation voltage (Ui): 800 V
• Impulse withstand voltage (Uimp): 8 kV
• Frequency: 50–60 Hz

⚡ Breaking Capacity (Icu)

• 25 kA @ 230 V
• 16 kA @ 400 / 415 V
• 10 kA @ 440 V
• 8 kA @ 500 V
• 3 kA @ 690 V

🔥 Thermal Protection (Adjustable)

• Adjustment range (I1 at 40°C):
  • Min: 56 A
  • Med: 68 A
  • Max: 80 A

⚡ Magnetic Protection (Instantaneous)

• I3: 800 A (instantaneous trip for short circuit protection)

🔌 Accessories & Connections

Compatible accessories:

• Shunt Opening Release (SOR): 24–30 V AC/DC
• Undervoltage Release (UVR)
• Auxiliary contacts (AUX): 250 V AC/DC

Cable sections:

• Rigid: 2.5 – 70 mm²
• Flexible: 2.5 – 50 mm²
• Tightening torque: 7 Nm

🧩 Applications

• Industrial electrical panels
• Photovoltaic systems (AC/DC protection on power side)
• Low-voltage power distribution systems
• Industrial machinery and installations

✅ Main Functions

• Overload protection (thermal)
• Short-circuit protection (magnetic)
• Manual disconnection of the line
• Integration with control and safety systems

📌 Notes

Compliant with IEC 60947-2, this device is designed for use in industrial environments requiring high standards of safety, reliability, and performance.