Description

Schneider G12T3A32 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 32A rating, TMD trip unit, adjustable thermal protection

1. Technical Specifications G12T3A32

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

  2. Model Number:
    G12T3A32

  3. Product Series:
    GoPact MCCB 125

  4. Number of Poles:
    3 poles

  5. Rated Current (In):
    32 A

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

  7. Breaking Capacity (Icu):
    10 kA at 415 VAC (in accordance with IEC 60947-2)

  8. Trip Unit Type:
    TMD (Thermal Magnetic)

  9. Thermal Protection:
    Adjustable — allows precise overload protection settings

  10. Magnetic Protection:
    Fixed — provides instantaneous protection against short circuits

  11. Mounting Type:
    Fixed mounting (surface or flush mount within a panel)

  12. Connection Terminals:
    Standard terminal configuration for straightforward wiring

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

  14. Protection Degree:
    IP20 (when installed in enclosure); can be enhanced using accessories

  15. Standards & Certifications:

  • IEC 60947-2

  • CE Certified

  • RoHS & REACh Compliant

2. Key Features G12T3A32

  1. Adjustable Thermal Trip Setting:
    Provides flexibility to fine-tune overload protection based on load characteristics and system requirements.

  2. Fixed Magnetic Trip:
    Delivers quick interruption in short-circuit events, ensuring electrical safety and minimizing equipment damage.

  3. High Reliability and Safety:
    Robust construction with integrated safety mechanisms to ensure long-term reliability in harsh industrial environments.

  4. Space-Saving Compact Design:
    Ideal for space-limited enclosures, offering high performance without compromising panel layout.

  5. Quick and Easy Installation:
    Designed for effortless integration into standard panels with simple wiring and mounting.

  6. Compatible with GoPact Accessories:
    Supports add-ons such as rotary handles, auxiliary contacts, alarm switches, and shunt trips for enhanced functionality.

  7. Durable Build Quality:
    Engineered for a long electrical and mechanical lifespan, ensuring reduced downtime and maintenance needs.

  8. Cost-Effective Protection:
    Offers dependable circuit protection at an attractive price point, ideal for budget-conscious projects.

  9. Stable Performance:
    Delivers consistent tripping behavior under varying electrical and thermal conditions.

  10. Environmental Resistance:
    Operates reliably in a wide range of temperatures and humidity levels, making it suitable for diverse installations.

3. Common Applications G12T3A32

  1. Low-Voltage Distribution Boards:
    Protects circuit branches in residential, commercial, and industrial electrical panels.

  2. Motor Control Centers (MCCs):
    Provides protection for motors and control systems from overload and short-circuit damage.

  3. Automation and Control Panels:
    Ensures safe operation of PLCs, sensors, and power supplies in factory automation systems.

  4. Renewable Energy Systems:
    Used in solar, wind, and hybrid systems to safeguard downstream AC circuits.

  5. OEM Equipment and Machinery:
    Ideal for machine panels and equipment requiring dependable protection in compact enclosures.

  6. Public Infrastructure & Utilities:
    Applied in control panels for lighting, traffic systems, and utility distribution networks.

  7. Commercial Buildings:
    Used in lighting and socket outlet circuits for safe and efficient power distribution.

  8. Data and Communication Centers:
    Ensures uninterrupted power protection for servers, routers, and network equipment.

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 32 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 32 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

Main Document

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

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