Schneider G12T3A25 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 25A rating, TMD trip unit, adjustable thermal protection

Schneider G12T3A25 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 25A rating, TMD trip unit, adjustable thermal protection



1. Technical Specifications G12T3A25

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

2. Model Number:
   G12T3A25

3. Series:
   GoPact MCCB 125

4. Rated Current (In):
   25 A

5. Poles:
   3 poles

6. Rated Voltage (Ue):
   Up to 415 VAC, 50/60 Hz

7. Breaking Capacity (Icu):
   10 kA at 415 VAC (as per IEC 60947-2)

8. Trip Unit Type:
   TMD (Thermal Magnetic)

9. Thermal Protection:
   Adjustable thermal setting for overload protection

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

11. Mounting:
    Fixed type, suitable for surface or panel mounting

12. Terminal Type:
    Standard connection terminals for ease of wiring

13. Dimensions & Weight:
    Compact form factor – compatible with tight panel layouts (exact dimensions as per GoPact MCCB 125 family)

14. Operating Temperature:
    -25°C to +70°C

15. Ingress Protection:
    IP20 (with front cover), higher when mounted in an enclosure

16. Certifications:

• IEC 60947-2

• CE Certified

• RoHS & REACh Compliant

2. Key Features G12T3A25

1. Adjustable Thermal Protection:
   Allows fine-tuning the trip setting for overload conditions, offering protection flexibility for sensitive equipment.

2. Fixed Magnetic Trip Setting:
   Provides fast disconnection in the event of a short circuit, enhancing equipment and personnel safety.

3. Compact and Robust Design:
   Built to deliver reliable protection in a small footprint, ideal for space-constrained electrical panels.

4. Simple Installation:
   Quick and secure mounting with user-friendly terminals and standard accessories.

5. Integrated Safety Measures:
   IP20-rated terminals protect against accidental contact; can be upgraded with accessories for increased protection.

6. Reliable Operation in Harsh Conditions:
   Maintains performance across a wide range of temperatures and environmental conditions.

7. Compatible with GoPact Accessories:
   Supports rotary handles (direct and extended), auxiliary contacts, shunt trips, etc., for enhanced control and safety.

8. Maintenance-Free Operation:
   Long mechanical and electrical lifespan with minimal maintenance requirements.

9. Panel Design Flexibility:
   Suitable for both main circuit protection and downstream circuit distribution applications.

10. Cost-Effective Solution:
    Delivers essential circuit protection with Schneider Electric reliability at an economical price.

3. Common Applications G12T3A25

1. General Load Protection:
   For lighting circuits, HVAC systems, and power outlets in commercial and residential settings.

2. Industrial Control Panels:
   Provides feeder or branch protection in low-voltage distribution boards and motor control centers.

3. OEM and Machinery Applications:
   Ideal for skid-mounted systems, machinery panels, and compact equipment.

4. Renewable Energy Systems:
   Used for low-current AC protection in solar inverters and hybrid systems.

5. Public Infrastructure:
   Suited for control cabinets in transportation, utilities, and public buildings.

6. Data Centers and IT Rooms:
   Protects circuit branches feeding IT and telecom infrastructure.

7. Building Distribution Boards:
   Integrated in sub-distribution panels for individual circuit control and protection.