Schneider G12E3A16 |Circuit breaker, GoPact MCCB 125, 3 poles, 15kA at 415VAC, 16A rating, TMD trip unit, adjustable thermal protection

Technical Specifications G12E3A16

• Product Name: Schneider Electric G12E3A16

• Product Type: Molded Case Circuit Breaker (MCCB)

• Series: GoPact MCCB 125

• Number of Poles: 3 poles

• Rated Current (In): 16 Amps

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

• Breaking Capacity (Icu): 15 kA at 415 VAC

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

• Thermal Protection: Adjustable – allows fine-tuning for overload protection

• Magnetic Protection: Fixed – ensures fast reaction to short circuits

• Rated Frequency: 50/60 Hz

• Installation: Fixed mounting (panel-mounted)

• Standard Compliance: IEC 60947-2

• Utilization Category: AC-22A (general switching and circuit protection)

Key Features

• Precise Overload Protection
  Adjustable thermal trip setting provides flexibility in matching protection to the actual load conditions, enhancing system reliability and safety.

• Fast Short-Circuit Response
  The fixed magnetic protection ensures immediate disconnection in case of high fault currents, minimizing equipment damage and fire risk.

• Compact & Efficient Design
  Saves panel space while offering robust protection, suitable for small-scale and dense electrical installations.

• Easy Installation & Maintenance
  Straightforward mounting with front-access terminals simplifies panel assembly and future servicing.

• High Performance in Low Current Applications
  Although rated at 125A frame size, this version (16A) is ideal for protecting low-current circuits with the added benefit of high short-circuit withstand capability (15kA).

• Reliable and Economical
  Combines cost-effective protection with Schneider’s engineering quality and international standards compliance.

Applications

• Lighting and Power Distribution in Commercial Buildings
  Provides circuit-level protection for lighting, sockets, and small appliances in offices, shops, and schools.

• Industrial Control Panels
  Used to protect control loops, auxiliary devices, and automation panels where low current circuits need dependable protection.

• Renewable Energy Systems
  Suitable for solar inverter panels or control boxes with limited current flow, especially in DC/AC interfacing systems.

• Backup Power and UPS Panels
  Protects sensitive or critical low-power branches fed by backup power systems.

• Instrumentation and Communication Panels
  Ensures overload and short-circuit protection for sensitive instrumentation and telemetry circuits.

• Infrastructure & Utility Installations
  Used in low-load circuits within hospitals, data centers, water treatment plants, and public infrastructure control systems.