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Schneider G12T3A16 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 16A rating, TMD trip unit, adjustable thermal protection


In stock

5,995 EGP 8,882 EGP

In stock


Schneider G12T3A16 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 16A rating, TMD trip unit, adjustable thermal protection

Schneider G12T3A16 Description


In the world of electrical components, Schneider Electric stands as a titan, known for its innovative and reliable products. Among its extensive catalog, the Schneider G12T3A16 is a standout component, integral to many modern infrastructures. Whether you’re managing a residential project, a commercial building, or an industrial facility, understanding the role and capabilities of this component can significantly enhance your system’s efficiency and reliability.

Overview of Schneider G12T3A16

So, what exactly is the Schneider G12T3A16? At its core, the G12T3A16 is a high-performance electrical component designed to handle a variety of electrical applications. It embodies the quality and precision that Schneider Electric is known for, offering robust performance across various settings.

Features and Benefits

Key Features

The Schneider G12T3A16 is packed with features that make it a versatile and reliable choice:

  • High Electrical Capacity: Capable of handling significant electrical loads.
  • Durable Construction: Built to withstand harsh conditions.
  • Easy Integration: Compatible with a wide range of systems.
  • Safety Mechanisms: Includes protective features to prevent electrical hazards.

Advantages for Users

For users, the benefits of the G12T3A16 are manifold:

  • Enhanced Efficiency: Reduces energy loss and improves overall system performance.
  • Long Lifespan: Durable materials ensure longevity and reduce maintenance costs.
  • User-Friendly Design: Simplifies installation and integration processes.

Technical Specifications

Understanding the technical specifications of the Schneider G12T3A16 is crucial for ensuring it meets your needs.

Electrical Ratings

  • Voltage Rating: Suitable for high voltage applications.
  • Current Capacity: Designed to handle high current loads efficiently.
  • Frequency Range: Operates within a wide frequency range to accommodate various electrical systems.

Physical Dimensions

  • Compact Design: Allows for easy installation even in tight spaces.
  • Robust Build: Ensures the component can withstand physical and environmental stresses.


The versatility of the Schneider G12T3A16 makes it ideal for a range of applications.

Residential Uses

In residential settings, the G12T3A16 can be used in:

  • Home Automation Systems: Enhancing the efficiency of smart home devices.
  • Electrical Panels: Ensuring safe and reliable power distribution.

Commercial Applications

For commercial buildings, the G12T3A16 is perfect for:

  • Lighting Systems: Managing complex lighting arrays.
  • HVAC Systems: Improving the efficiency of heating, ventilation, and air conditioning units.

Industrial Applications

In industrial environments, the G12T3A16 excels in:

  • Machinery Control: Ensuring the reliable operation of heavy machinery.
  • Power Distribution: Managing high power loads safely and effectively.

Installation Process

Installing the Schneider G12T3A16 is straightforward, but it requires attention to detail to ensure safety and performance.

Pre-Installation Requirements

  • Tools and Equipment: Ensure you have the necessary tools.
  • Safety Gear: Wear appropriate safety equipment.

Step-by-Step Installation Guide

  1. Turn Off Power: Ensure the power supply is switched off to prevent accidents.
  2. Mounting: Secure the G12T3A16 in the designated location.
  3. Wiring: Connect the wires according to the manual.
  4. Testing: Power on the system and test the component to ensure it functions correctly.

Safety Precautions

  • Double-Check Connections: Verify all connections are secure.
  • Follow Manufacturer Instructions: Adhere strictly to the installation guidelines provided by Schneider Electric.

Maintenance Tips

Regular maintenance of the Schneider G12T3A16 can prolong its lifespan and ensure optimal performance.

Routine Checks

  • Visual Inspections: Regularly check for any signs of wear or damage.
  • Performance Testing: Periodically test the component to ensure it operates within specified parameters.

Troubleshooting Common Issues

  • Overheating: Ensure adequate ventilation and check for any blockages.
  • Electrical Faults: Use a multimeter to diagnose and resolve electrical issues.


The Schneider G12T3A16 is designed to be compatible with a variety of devices and systems.

Compatible Devices and Systems

  • Smart Home Devices: Easily integrates with modern smart home ecosystems.
  • Commercial Systems: Works well with complex commercial electrical systems.

Integration with Other Schneider Products

  • Seamless Integration: Compatible with other Schneider components for enhanced performance and reliability.

Comparisons with Similar Products

Understanding how the G12T3A16 stacks up against similar products can help in making an informed decision.

Comparison with Other Schneider Models

  • G12T3A16 vs. G12T3A14: The G12T3A16 offers higher electrical capacity and enhanced features.

Comparison with Competitors

  • Schneider G12T3A16 vs. ABB T3A16: While both offer robust performance, the Schneider model is often praised for its user-friendly design and durability.

Summary of Customer Reviews

  • Positive Feedback: Users often highlight the component’s reliability and ease of installation.
  • Constructive Criticism: Some users suggest improvements in documentation for even smoother installation.

Common Praises and Complaints

  • Praises: High durability, excellent performance.
  • Complaints: Occasional issues with initial setup.

Case Studies

Real-world applications showcase the versatility and reliability of the Schneider G12T3A16.

Real-World Applications

  • Residential Case Study: A homeowner used the G12T3A16 to streamline their home automation system, resulting in improved energy efficiency.
  • Commercial Case Study: A commercial building integrated the G12T3A16 into their lighting system, significantly reducing energy costs.

Success Stories

  • Industrial Success: An industrial plant improved their machinery control, leading to reduced downtime and increased productivity.

Buying Guide

Knowing where and how to purchase the Schneider G12T3A16 can simplify your buying process.

Where to Buy

  • Authorized Dealers: Purchase from Schneider Electric’s authorized dealers for genuine products.
  • Online Retailers: Available on major e-commerce platforms like Amazon and eBay.

Factors to Consider Before Purchasing

  • Compatibility: Ensure the component is compatible with your existing system.
  • Warranty: Check for warranty options to safeguard your investment.

Cost and Value Analysis

Analyzing the cost versus the value provided by the Schneider G12T3A16 can help justify the investment.

Price Range

  • Affordability: The G12T3A16 is competitively priced within its category.

Cost vs. Benefit Analysis

  • Long-Term Savings: The durability and efficiency of the G12T3A16 can lead to significant long-term savings.

Environmental Impact

Schneider Electric is committed to sustainability, and the G12T3A16 reflects this ethos.

Eco-Friendly Features

  • Energy Efficiency: Designed to minimize energy consumption.
  • Recyclable Materials: Constructed from materials that are easy to recycle.

Compliance with Environmental Regulations

  • Certifications: Meets various international environmental standards.

SKU: G12T3A16 Category:
Range of product GoPact MCCB
product or component type Circuit breaker
Product name GoPact MCCB 125
Device application Distribution
poles description 3P
Protected poles description 3D
[In] rated current 16 A at 40 °C
[Ue] rated operational voltage 415 V AC 50/60 Hz conforming to EN/IEC 60947-2
Suitability for isolation Yes conforming to EN/IEC 60947-2
Utilisation category Category A
[Icu] rated ultimate short-circuit breaking capacity 10 kA Icu at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2
20 kA Icu at 220/230 V AC 50/60 Hz conforming to EN/IEC 60947-2
Performance level T 10 kA 380/415 V AC
Trip unit name TM-D
Trip unit technology Thermal-magnetic
Trip unit protection functions LI
Control type Toggle
Circuit breaker mounting mode Fixed
[Ui] rated insulation voltage 440 V AC conforming to EN/IEC 60947-2
[Uimp] rated impulse withstand voltage 6 kV conforming to EN/IEC 60947-2
[Ics] rated service short-circuit breaking capacity 10 kA at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2
20 kA at 220/230 V AC 50/60 Hz conforming to EN/IEC 60947-2
Mechanical durability 30000 cycles
Electrical durability 8000 cycles at 415 V In
Power dissipation per pole 18.7 W
mounting support Backplate
Mounting position Horizontal and vertical
Flat on the back
Upside connection Front
downside connection Front
Connection terminals Screw terminals
Connection pitch 25 mm
Protection type L : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Trip unit rating 16 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection) Adjustable
[Ir] long-time protection pick-up adjustment range 0.8…1 x In
Long-time protection delay adjustment type tr Fixed
Instantaneous protection pick-up adjustment type Ii Fixed
[Ii] instantaneous protection pick-up adjustment range 320 A
Width (W) 75 mm
Height (H) 130 mm
Depth (D) 60 mm
net weight 0.7 kg
Colour Grey (RAL 7035)
Standards EN/IEC 60947-1
EN/IEC 60947-2
EN/IEC 60947-2 Annex H
Overvoltage category III
Pollution degree 3 conforming to IEC 60664-1
IP degree of protection IP20 conforming to IEC 60529
Ambient air temperature for operation -20…55 °C
ambient air temperature for storage -35…85 °C
Operating altitude 0…2000 m without derating
2000…5000 m with derating
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 12.4 cm
Package 1 Width 8.5 cm
Package 1 Length 13.9 cm
Package 1 Weight 908 g
Unit Type of Package 2 S02
Number of Units in Package 2 8
Package 2 Height 15 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 7.579 kg
Unit Type of Package 3 P06
Number of Units in Package 3 128
Package 3 Height 75 cm
Package 3 Width 60 cm
Package 3 Length 80 cm
Package 3 Weight 129.764 kg

Main Document

Data Sheet : Download

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