Schneider G12F3A40 | Circuit breaker, GoPact MCCB 125, 3 poles, 30kA at 415VAC, 40A rating, TMD trip unit, adjustable thermal protection

Schneider G12F3A40 | Circuit breaker, GoPact MCCB 125, 3 poles, 30kA at 415VAC, 40A rating, TMD trip unit, adjustable thermal protection



Technical Specifications G12F3A40

• Product Name: Schneider Electric G12F3A40

• Product Type: Molded Case Circuit Breaker (MCCB)

• Series: GoPact MCCB 125

• Number of Poles: 3 poles

• Rated Current (In): 40 Amps

• Frame Size: 125 A

• Rated Operational Voltage (Ue): Up to 415 VAC

• Breaking Capacity (Icu): 30 kA at 415 VAC

• Trip Unit Type: TMD (Thermal Magnetic Trip Unit)

• Thermal Protection: Adjustable — for precise overload settings

• Magnetic Protection: Fixed — fast short-circuit response

• Frequency: 50/60 Hz

• Mounting Type: Fixed mounting for panel integration

• Standards Compliance: IEC 60947-2

• Utilization Category: AC-22A — suitable for resistive and inductive loads

Key Features

• Accurate 40A Circuit Protection
  Designed to safeguard circuits requiring up to 40 amps, combining precise overload protection with high fault current handling.

• High Breaking Capacity of 30 kA
  Capable of interrupting high short-circuit currents, ensuring safety and system integrity under fault conditions.

• Adjustable Thermal Trip
  Customizable overload protection settings enhance coordination with other protective devices and reduce nuisance trips.

• Fixed Magnetic Trip
  Provides instantaneous protection against short circuits to protect equipment and personnel.

• Compact and Easy to Install
  Fits into standard electrical panels with front-access terminals, simplifying installation and maintenance.

• Durable and Reliable
  Built for consistent performance in demanding commercial and industrial environments.

Applications

• Commercial Power Distribution
  Ideal for lighting systems, receptacles, and medium-sized HVAC units in offices, retail centers, and institutions.

• Industrial Automation and Control
  Protects motors, pumps, and auxiliary control circuits in manufacturing plants.

• Renewable Energy Installations
  Suitable for medium-capacity solar and wind power circuits.

• Data Centers and Critical Facilities
  Provides reliable circuit protection for sensitive equipment and emergency power circuits.

• Backup Power Systems
  Used in circuits fed from UPS units and standby generators requiring 40A protection.

• Public Infrastructure
  Suitable for schools, hospitals, government buildings, and other institutional facilities.