Schneider G12T3A20 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 20A rating, TMD trip unit, adjustable thermal protection

1. Technical Specifications G12T3A20

1. Product Name:
   Molded Case Circuit Breaker (MCCB)

2. Model Number:
   G12T3A20

3. Product Family:
   GoPact MCCB 125

4. Number of Poles:
   3 Poles

5. Rated Current (In):
   20 A

6. Breaking Capacity:
   10 kA at 415 VAC (IEC 60947-2)

7. Rated Operating Voltage (Ue):
   Up to 415 VAC

8. Trip Unit Type:
   TMD (Thermal Magnetic) Trip Unit

9. Thermal Protection:
   Adjustable thermal protection for overload conditions

10. Magnetic Protection:
    Fixed magnetic protection for short-circuit protection

11. Mounting Type:
    Fixed mounting

12. Installation:
    Suitable for vertical or horizontal mounting in panels

13. Operating Frequency:
    50/60 Hz

14. Standards Compliance:

• IEC 60947-2

• CE Certified

• RoHS & REACh Compliant

15. Environmental Rating:
    Operational temperature range: -25°C to +70°C
    IP20 when installed in enclosure

2. Key Features G12T3A20

1. Reliable Overload and Short-Circuit Protection:
   Protects circuits and connected equipment from damage due to overloads and short circuits.

2. Adjustable Thermal Setting:
   Offers flexibility in protecting different types of loads by allowing adjustment of the thermal trip threshold.

3. Fixed Magnetic Threshold:
   Provides rapid disconnection under short-circuit conditions to prevent electrical hazards.

4. Compact and Space-Saving Design:
   Designed to fit in compact panels, maximizing space without compromising protection.

5. Rugged Build Quality:
   Durable housing and mechanical parts built to withstand harsh industrial environments.

6. Ease of Installation:
   Quick installation with standardized terminals and optional accessories for panel integration.

7. Enhanced Safety:
   Insulated terminals and IP20 front face ensure user safety during handling and operation.

8. Consistent Performance:
   Provides stable tripping characteristics across a wide temperature range and load conditions.

9. Versatile Use Across Applications:
   Ideal for both motor and general load protection in low-voltage power systems.

10. Modular Accessory Compatibility:
    Compatible with accessories like rotary handles, auxiliary contacts, and shunt trips from the GoPact range.

3. Common Applications G12T3A20

1. Industrial Control Panels:
   Provides protection for control circuits and branch circuits in factory automation systems.

2. Building Electrical Distribution Boards:
   Used in commercial and residential distribution panels for selective circuit protection.

3. Motor Control Centers (MCCs):
   Protects small motors or motor starters against overloads and short circuits.

4. Renewable Energy Installations:
   Used in AC side protection for solar and wind power systems.

5. HVAC and Mechanical Systems:
   Ensures safe operation of pumps, fans, and compressors.

6. OEM Equipment Protection:
   Installed in custom machinery or skid-mounted systems for electrical safety.

7. Infrastructure and Utility Panels:
   Used in public utility panels for low-current protection and control.

8. Data Centers and Communication Systems:
   Protects power circuits feeding servers, routers, and network gear.