Description

Schneider G12F3A63 | Circuit breaker, GoPact MCCB 125, 3 poles, 30kA at 415VAC, 63A rating, TMD trip unit, adjustable thermal protection

Technical Specifications G12F3A63

  • Product Name: Schneider Electric G12F3A63

  • Product Type: Molded Case Circuit Breaker (MCCB)

  • Series: GoPact MCCB 125

  • Number of Poles: 3 poles

  • Rated Current (In): 63 Amps

  • Frame Size: 125 A

  • Rated Operational Voltage (Ue): Up to 415 VAC

  • Breaking Capacity (Icu): 30 kA at 415 VAC

  • Trip Unit Type: TMD (Thermal Magnetic Trip Unit)

  • Thermal Protection: Adjustable — fine-tunes overload response

  • Magnetic Protection: Fixed — immediate short-circuit disconnection

  • Frequency: 50/60 Hz

  • Mounting: Fixed mounting (panel installation)

  • Compliance Standards: IEC 60947-2

  • Utilization Category: AC-22A — supports mixed resistive and inductive loads

Key Features G12F3A63

  • Optimized 63A Circuit Protection
    Ensures accurate and safe protection for medium-sized electrical loads with high reliability.

  • High Fault Interruption Rating (30 kA)
    Suitable for use in power distribution systems with high short-circuit fault levels, delivering safety under extreme fault conditions.

  • Adjustable Thermal Overload Trip
    Offers flexible settings to suit specific application needs, improving system selectivity and protection coordination.

  • Fixed Magnetic Trip Function
    Provides fast-acting protection against short-circuits, helping avoid damage to connected devices and reducing downtime.

  • Compact and Versatile Design
    Facilitates easy installation in standard panel systems with a space-efficient footprint.

  • Durable for Demanding Environments
    Built with high-grade components to ensure longevity and performance under tough commercial or industrial conditions.

Applications

  • Commercial Building Distribution Panels
    Used for lighting, socket outlets, HVAC units, and other electrical services in retail centers, business parks, and office buildings.

  • Industrial Automation and Equipment
    Protects circuit paths feeding motors, drives, conveyors, and control systems in manufacturing and processing facilities.

  • Renewable Energy Systems
    Suitable for solar and wind subsystems, including inverter protection, DC/AC interface protection, or auxiliary loads.

  • Data Centers & IT Facilities
    Delivers circuit protection for power distribution to racks, cooling systems, and UPS-powered loads.

  • Standby & Emergency Power Circuits
    Ensures safe and controlled power delivery in generator-fed or backup power systems requiring 63A circuit protection.

  • Institutional and Public Sector Infrastructure
    Applicable in hospitals, schools, and government buildings where dependable electrical protection is critical.

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 63 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 30 kA Icu at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 220/230 V AC 50/60 Hz conforming to EN/IEC 60947-2
Performance level F 30 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 15 kA at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2 25 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 63 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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