Schneider G25B3A250 | Circuit breaker, GoPact MCCB 250, 3 poles, 25kA at 415VAC, 250A rating, TMD trip unit, adjustable thermal protection

1. Technical Specifications G25B3A250

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

2. Model Number:
   G25B3A250

3. Series:
   GoPact MCCB 250

4. Number of Poles:
   3 poles

5. Rated Current (In):
   250 A

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

7. Rated Breaking Capacity (Icu):
   25 kA at 415 VAC (in compliance with IEC 60947-2)

8. Trip Unit Type:
   TMD (Thermal Magnetic)

9. Thermal Protection:
   Adjustable thermal trip for customizable overload protection

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

11. Mounting Style:
    Fixed mount for panel or enclosure installation

12. Terminal Type:
    Front connection suitable for cable lugs or busbars

13. Ambient Temperature Range:
    -25°C to +70°C

14. Degree of Protection:
    IP20 (can be enhanced with enclosure or accessories)

15. Standards & Certifications:

• IEC 60947-2

• CE marked

• RoHS compliant

• REACh compliant

2. Key Features G25B3A250

1. Full-Range Circuit Protection:
   Offers both overload and short-circuit protection with high reliability.

2. Adjustable Thermal Trip:
   Allows precise configuration based on load demands, improving selectivity and protection.

3. Robust Short-Circuit Protection:
   Fixed magnetic trip ensures rapid interruption during fault conditions.

4. High Breaking Capacity:
   25kA at 415VAC ensures performance in medium-to-high fault level networks.

5. Compact Design:
   Space-efficient dimensions make it suitable for modern switchboards and tight enclosures.

6. Durability and Longevity:
   Designed for long operational life in harsh industrial and commercial environments.

7. Accessory Compatibility:
   Fully compatible with GoPact MCCB accessories such as rotary handles, shunt trips, auxiliary contacts, etc.

8. Quick Installation:
   Front terminal access and standard dimensions simplify panel integration.

9. Operational Safety:
   Clearly visible ON/OFF status with support for padlocking (via accessories) enhances safety.

10. Compliance with International Standards:
    Ensures global usability and alignment with professional electrical design practices.

3. Typical Applications G25B3A250

1. Main Distribution Panels:
   Protects high-capacity feeders in industrial and commercial power systems.

2. Heavy-Duty Industrial Equipment:
   Ideal for large motors, compressors, and manufacturing lines.

3. Power Generation and Backup Systems:
   Used in generator outputs, UPS systems, and ATS panels.

4. Utility and Infrastructure Projects:
   Applied in water treatment, transportation hubs, and public facilities.

5. Renewable Energy Installations:
   Suitable for large-scale AC solar or hybrid inverter outputs.

6. Commercial Buildings:
   Ensures safe distribution to HVAC, elevators, and critical loads.

7. OEM Panels and Electrical Assemblies:
   Integrated into custom switchboards, power cabinets, and automation centers.

8. Marine and Offshore Installations:
   Appropriate for shipboards and coastal applications (when housed properly).