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Schneider G40N3A400 | Circuit breaker, GoPact MCCB 400, 3 poles, 50kA at 415VAC, 400A rating, TMD trip unit, adjustable thermal protection

Schneider Electric
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Schneider G40N3A400 | Circuit breaker, GoPact MCCB 400, 3 poles, 50kA at 415VAC, 400A rating, TMD trip unit, adjustable thermal protection

17,337 EGP 25,126 EGP

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Schneider G40N3A400: Product Overview and Applications

Introduction

The Schneider G40N3A400 is a robust molded case circuit breaker (MCCB) designed to protect electrical systems from overloads, short circuits, and other faults. Known for its high durability and reliability, the G40N3A400 is commonly used in industrial and commercial installations where stable and efficient circuit protection is paramount. This model is particularly suited for applications that require effective control over high-current circuits.

Key Features of Schneider G40N3A400

  • High Breaking Capacity: Designed to handle high fault currents, providing solid protection in heavy-duty applications.
  • Thermal-Magnetic Trip Mechanism: Uses both thermal and magnetic trip units, allowing it to protect against both overloads (thermal) and short circuits (magnetic).
  • Compact and Space-Efficient: With its compact design, it fits easily into control panels and distribution boards without taking up excessive space.
  • Adjustable Protection Settings: Customizable settings allow for fine-tuning the circuit breaker’s response to specific application needs.
  • Easy Installation and Maintenance: Engineered for straightforward installation and minimal maintenance, reducing downtime and ensuring operational continuity.

Applications of Schneider G40N3A400

  1. Industrial Power Distribution: Provides circuit protection in heavy industries such as manufacturing and mining, where high-current protection is essential.
  2. Commercial Building Infrastructure: Ideal for large commercial setups, protecting lighting, HVAC systems, and elevators.
  3. Renewable Energy Systems: Used in solar and wind installations to protect against faults and manage high-current loads.
  4. Data Centers and IT Facilities: Ensures reliable power protection in data centers where uninterruptible power and fault isolation are critical.
  5. Electrical Control Panels: A mainstay in control panels to protect various electrical circuits from unexpected faults.

Benefits of Using Schneider G40N3A400

  • Enhanced System Safety: Protects connected devices and prevents damage caused by overloads and short circuits.
  • Operational Efficiency: Helps minimize downtime and maintenance costs by offering reliable circuit protection.
  • Versatile Use: Suitable for a wide range of environments, from industrial plants to commercial facilities and renewable energy setups.
  • Long-Term Reliability: Built with Schneider’s quality standards, ensuring durability and consistent performance under challenging conditions.

Conclusion

The Schneider G40N3A400 molded case circuit breaker is an essential component for industries and commercial buildings requiring high-quality circuit protection. With its high fault current tolerance, thermal-magnetic trip functionality, and compact design, this MCCB stands out as a reliable solution for maintaining electrical safety and operational efficiency in demanding applications. Whether for industrial power distribution or renewable energy systems, the G40N3A400 is a versatile and dependable choice for critical circuit protection.

Main
Range of productGoPact MCCB
Product or component typeCircuit breaker
Product nameGoPact MCCB 400
Device applicationDistribution
Poles description3P
Protected poles description3D
[In] rated current400 A at 40 °C
[Ue] rated operational voltage415 V AC 50/60 Hz conforming to EN/IEC 60947-2
Suitability for isolationYes conforming to EN/IEC 60947-2
Utilisation categoryCategory A
[Icu] rated ultimate short-circuit breaking capacity50 kA Icu at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2
65 kA Icu at 220/230 V AC 50/60 Hz conforming to EN/IEC 60947-2
Performance levelN 50 kA 380/415 V AC
Trip unit nameTM-D
Trip unit technologyThermal-magnetic
Trip unit protection functionsLI
Control typeToggle
Circuit breaker mounting modeFixed
Complementary
[Ui] rated insulation voltage440 V AC conforming to EN/IEC 60947-2
[Uimp] rated impulse withstand voltage8 kV conforming to EN/IEC 60947-2
[Ics] rated service short-circuit breaking capacity50 kA at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2
65 kA at 220/230 V AC 50/60 Hz conforming to EN/IEC 60947-2
Mechanical durability15000 cycles
Electrical durability5000 cycles at 415 V In
Power dissipation per pole40 W
Mounting supportBackplate
Mounting positionHorizontal and vertical
Flat on the back
Upside connectionFront
Downside connectionFront
Connection terminalsscrew terminals
Connection pitch40 mm
Protection typeL : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Trip unit rating400 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)Adjustable
[Ir] long-time protection pick-up adjustment range0.7…1 x In
Long-time protection delay adjustment type trFixed
Instantaneous protection pick-up adjustment type IiFixed
[Ii] instantaneous protection pick-up adjustment range12 x In
Width (W)120 mm
Height (H)205 mm
Depth (D)105 mm
Net weight3.5 kg
ColourGrey (RAL 7035)
Environment
StandardsEN/IEC 60947-1
EN/IEC 60947-2
EN/IEC 60947-2 Annex H
Overvoltage categoryIII
Pollution degree3 conforming to IEC 60664-1
IP degree of protectionIP20 conforming to IEC 60529
Ambient air temperature for operation-20…55 °C
Ambient air temperature for storage-35…85 °C
Operating altitude0…2000 m without derating
2000…5000 m with derating
Packing Units
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height22.1 cm
Package 1 Width15.4 cm
Package 1 Length25.7 cm
Package 1 Weight4.28 kg
Unit Type of Package 2S03
Number of Units in Package 22
Package 2 Height30 cm
Package 2 Width30 cm
Package 2 Length40 cm
Package 2 Weight9.001 kg
Unit Type of Package 3P06
Number of Units in Package 324
Package 3 Height105 cm
Package 3 Width60 cm
Package 3 Length80 cm
Package 3 Weight116.512 kg

Main documents

DatasheetDownload Datasheet
Product datasheetDownload
Instruction sheet
Download
CatalogueDownload
Environmental disclosureDownload
CAD FilesDownload

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