Description

Schneider G12T3A80 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 80A rating, TMD trip unit, adjustable thermal protection

1. Technical Specifications G12T3A80

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

  2. Model Number:
    G12T3A80

  3. Product Series:
    GoPact MCCB 125

  4. Number of Poles:
    3 poles

  5. Rated Current (In):
    80 A

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

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

  8. Trip Unit Type:
    TMD (Thermal Magnetic)

  9. Thermal Protection:
    Adjustable thermal setting — allows tuning for specific overload protection

  10. Magnetic Protection:
    Fixed — immediate protection against short circuits

  11. Mounting Method:
    Fixed mounting inside panels or enclosures

  12. Terminal Type:
    Standard screw-type terminals for easy and secure connection

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

  14. Ingress Protection (IP):
    IP20 (can be improved with additional enclosure or accessories)

  15. Compliance & Certification:

  • IEC 60947-2

  • CE Certified

  • RoHS and REACh Compliant

2. Key Features G12T3A80

  1. Adjustable Overload Protection:
    Thermal trip settings can be adjusted to meet the load characteristics, improving system flexibility and safety.

  2. Fixed Instantaneous Trip:
    Fast response to short-circuit faults for reliable protection of cables and equipment.

  3. Compact and Rugged Design:
    Engineered for space-saving installations and long-lasting performance in harsh environments.

  4. Fast Installation and Wiring:
    Mounts quickly into panels with user-friendly terminals for efficient installation.

  5. Reliable and Safe Operation:
    Delivers consistent trip performance across a wide temperature range, ensuring safe operation under various conditions.

  6. Wide Range of Accessories:
    Compatible with rotary handles (direct/extended), auxiliary contacts, trip alarms, and more from the GoPact family.

  7. Long Service Life:
    Built for high mechanical and electrical endurance, minimizing maintenance requirements.

  8. Cost-Effective and Dependable:
    Balances performance and budget, offering value in general power distribution applications.

  9. Versatile System Integration:
    Suitable for a wide variety of low-voltage systems across commercial, industrial, and infrastructure sectors.

  10. High Reliability Standards:
    Designed and tested to global electrical safety and performance standards.

3. Typical Applications G12T3A80

  1. Main and Sub-Distribution Boards:
    Provides overload and short-circuit protection in general electrical distribution systems.

  2. Industrial Control Panels:
    Ensures safe power delivery to control equipment, relays, and sensors.

  3. Machinery and Motor Protection:
    Ideal for protecting motor feeders and equipment panels in factory environments.

  4. Building Management Systems (BMS):
    Integrated into panels for HVAC, elevators, and centralized energy control.

  5. Solar and Renewable Energy Systems:
    Suitable for AC-side protection in inverters, combiner boxes, and hybrid control panels.

  6. Data Centers and Communication Hubs:
    Protects distribution to sensitive IT and networking equipment.

  7. OEM Panel Manufacturing:
    Widely used by equipment manufacturers in pre-assembled control panels.

  8. Public and Infrastructure Installations:
    Used in municipal lighting, utilities, and automated systems.

Additional information

brands

Schneider Electric

Specifications

 
Main
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 80 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
Complementary
[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 80 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 10 x In
Width (W) 75 mm
Height (H) 130 mm
Depth (D) 60 mm
net weight 0.7 kg
Colour Grey (RAL 7035)
Environment
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

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

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