Heavy-Duty 4-Pole Protection with ETI RCBO

The ETI DIFO-4 RCBO is a combined circuit breaker with residual current protection, designed for high-current three-phase electrical systems. It provides reliable protection against overloads, short circuits, and leakage currents in one compact device.

Ideal for industrial installations and power distribution systems requiring higher current capacity.

   Key Features:

• Brand: ETI
• Model: DIFO-4
• Rated current: 40–50A
• Residual current: 300mA
• Type: A (detects AC and pulsating DC leakage currents)
• Poles: 4P (3-phase + neutral)
• Voltage: 400V
• Mounting: DIN rail
• Country of origin: Slovenia

 Functions:

• Overload protection
• Short-circuit protection
• Leakage current protection
• Electric shock protection
• Fire prevention
• Fast automatic disconnection

 Condition:

✔ Brand new
✔ Original packaging
✔ Fully functional

 Important:

300mA sensitivity is intended for fire protection and equipment safety, not for personal protection.