Schneider Electric G40F3A400 GoPact MCCB – G400F 400A 3P 36kA @ 415VAC TMD (3D)

The Schneider Electric G40F3A400 GoPact MCCB is a high-reliability 400A, 3-Pole moulded case circuit breaker engineered for low-voltage three-phase distribution systems. With a 36kA breaking capacity at 415VAC, the G400F frame is designed to provide effective fault interruption and circuit protection in commercial and light-to-medium industrial installations.

Equipped with a Thermal Magnetic (TMD) trip unit – 3D configuration, this MCCB ensures dependable overload protection and instantaneous short-circuit response, making it suitable for feeder circuits, distribution boards, and main incomers.

Technical Specifications

• Brand: Schneider Electric

• Series: GoPact

• Model Code: G40F3A400

• Frame Size: G400F

• Rated Current (In): 400A

• Number of Poles: 3P (Three Pole)

• Breaking Capacity (Icu): 36kA @ 415VAC

• Rated Operational Voltage (Ue): 415V AC

• Trip Unit Type: TMD (Thermal-Magnetic, Fixed Setting)

• Trip Configuration: 3D

• Mounting Type: Fixed, Panel Mount

• Protection Functions:

  • Overload protection (thermal)

  • Short-circuit protection (magnetic)

Protection & Performance Features

🔹 36kA Short-Circuit Breaking Capacity

Designed to safely interrupt high fault levels in 415V distribution networks.

🔹 Thermal-Magnetic Trip Unit (TMD – 3D)

• Thermal element protects cables and equipment from sustained overload.

• Magnetic element provides instantaneous tripping during short-circuit events.

• Fixed protection settings ensure stable and predictable performance.

🔹 400A Rated Current

Suitable for medium-capacity distribution systems, sub-main feeders, and commercial panels.

🔹 3-Pole Configuration

Optimized for three-phase electrical installations.

Typical Applications

• Commercial distribution boards

• Sub-main feeders

• Industrial control panels

• Generator feeder protection

• Transformer secondary circuits

• LV switchboards

Key Benefits

✔ Reliable Schneider Electric protection technology
✔ Compact MCCB design for panel integration
✔ Strong mechanical and electrical endurance
✔ Cost-effective solution for 400A distribution systems
✔ Suitable for Ghana commercial and industrial projects