Schneider G25B3A160 | Circuit breaker, GoPact MCCB 250, 3 poles, 25kA at 415VAC, 160A rating, TMD trip unit, adjustable thermal protection

1. Technical Specifications G25B3A160

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

2. Model Number:
   G25B3A160

3. Product Range:
   GoPact MCCB 250

4. Number of Poles:
   3 poles

5. Rated Current (In):
   160 A

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

7. Breaking Capacity (Icu):
   25 kA at 415 VAC (according to IEC 60947-2)

8. Trip Unit Type:
   TMD (Thermal Magnetic)

9. Thermal Protection:
   Adjustable thermal trip — allows setting the overload protection to match circuit requirements

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

11. Installation Type:
    Fixed mounting inside panelboards or enclosures

12. Terminal Type:
    Front-access screw terminals for reliable cable connection

13. Operating Temperature:
    -25°C to +70°C (ambient conditions)

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

15. Certifications and Standards:

• IEC 60947-2

• CE Marked

• RoHS Compliant

• REACh Compliant

2. Key Features G25B3A160

1. High Breaking Capacity:
   25kA breaking capacity at 415V AC, providing excellent protection in medium fault-level environments.

2. Adjustable Overload Protection:
   Thermal protection can be tuned to better match the actual system load, increasing selectivity and safety.

3. Robust Short-Circuit Protection:
   Fixed magnetic protection ensures fast trip response during high fault conditions.

4. Reliable Performance:
   Engineered for consistent operation in demanding electrical distribution systems.

5. Durable and Long-Lasting:
   Built with high mechanical and electrical endurance to reduce downtime and extend product lifespan.

6. User-Friendly Installation:
   Compact design with standardized mounting and connection interfaces makes installation fast and straightforward.

7. Wide Compatibility with Accessories:
   Works seamlessly with Schneider GoPact accessories such as rotary handles, auxiliary contacts, trip alarms, and more.

8. Panel Space Efficiency:
   Optimized for distribution panels with limited space — compact footprint, high capacity.

9. Compliant with Global Standards:
   Meets international standards, ensuring global acceptance in various markets and applications.

10. Enhanced System Protection:
    Reduces the risk of electrical fires, equipment damage, and unplanned outages.

3. Typical Applications G25B3A160

1. Main LV Distribution Boards:
   Provides high-reliability protection for critical power supply branches.

2. Industrial Control Panels:
   Protects machinery, automation circuits, and industrial loads.

3. Infrastructure Projects:
   Used in electrical panels for buildings, metro stations, airports, and other infrastructure sites.

4. Data Centers & IT Facilities:
   Offers selective and stable protection for sensitive power distribution.

5. Commercial Buildings:
   Ideal for HVAC, elevator systems, lighting panels, and other high-demand circuits.

6. Renewable Energy Systems:
   Suitable for AC-side protection in solar or hybrid installations.

7. OEM Electrical Assemblies:
   Commonly integrated in prefabricated panels, power skids, and custom switchgear.

8. Public Utilities and Facilities:
   Ensures safe power management in water treatment, pumping stations, and utility enclosures.