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Schneider G12T3A125 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 125A rating, TMD trip unit, adjustable thermal protection

Schneider Electric
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Schneider G12T3A125 | Circuit breaker, GoPact MCCB 125, 3 poles, 10kA at 415VAC, 125A rating, TMD trip unit, adjustable thermal protection

Schneider G12T3A125 Descriptionenefits

Introduction

This product is part of the new GoPact Molded Case Circuit Breakers range (MCCB). It is a complete 3 poles circuit breaker made of a 125A breaker frame and of a thermal magnetic trip unit (TMD).

GoPact MCCB has a good price-performance ratio for basic applications and delivers a reliable electrical protection for your applications. The breaking capacity (Icu) is 10kA rms at 415VAC 50/60Hz. The operational voltage is 415VAC 50/60Hz.

This product embeds a 125A rating (In) thermal-magnetic trip unit (TMD). This TMD trip unit provides an adjustable thermal protection Ir (against overloads) with a setting range from 0.8xIn to 1xIn (100A-125A). And it provides a fixed magnetic (against short-circuits) protection set to 10xIn (1250A).

mm (Height) x 60mm (Depth). The weight is 0.7 kg. GoPact MCCB 125 is IEC 60947-1 and IEC 60947-2 certified. GoPact MCCB range benefits from Schneider Electric quality assurance.

Understanding the Essence of the Schneider G12T3A125

Unpacking the Specifications

Voltage Rating

Current Rating

Frequency Rating

Breaking Capacity

Size and Dimensions

Delving into the Design

Construction Material

Mounting Style

Operating Temperature Range

Mechanical Endurance

Highlighting Performance

Efficiency and Reliability

Response Time

Insulation Resistance

Environmental Sustainability

Applications and Use Cases

Industrial Sector

Commercial Facilities

Residential Installations

Comparing with Alternatives

Schneider G12T3A125 vs. Competitor A

Schneider G12T3A125 vs. Competitor B

Schneider G12T3A125 vs. Competitor C

Maintenance and Care Tips

Regular Inspections

Cleaning and Lubrication

Prompt Repairs

Ensuring Safety Measures

Overload Protection

Short Circuit Protection

Surge Protection

Cost Considerations

Initial Investment

Long-term Savings

Return on Investment

Customer Reviews and Feedback

Positive Experiences

Areas for Improvement

Overall Satisfaction Ratings

Conclusion

SKU: G12T3A125 Category:
brands

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 125 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 5000 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 125 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

Data Sheet : G12T3A125

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