Description

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.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product GoPact MCCB
Product or component type Circuit breaker
Product name GoPact MCCB 400
Device application Distribution
Poles description 3P
Protected poles description 3D
[In] rated current 400 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 50 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 level N 50 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 8 kV conforming to EN/IEC 60947-2
[Ics] rated service short-circuit breaking capacity 50 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 durability 15000 cycles
Electrical durability 5000 cycles at 415 V In
Power dissipation per pole 40 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 40 mm
Protection type L : for overload protection (thermal) I : for short-circuit protection (magnetic)
Trip unit rating 400 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection) Adjustable
[Ir] long-time protection pick-up adjustment range 0.7...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 12 x In
Width (W) 120 mm
Height (H) 205 mm
Depth (D) 105 mm
Net weight 3.5 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 22.1 cm
Package 1 Width 15.4 cm
Package 1 Length 25.7 cm
Package 1 Weight 4.28 kg
Unit Type of Package 2 S03
Number of Units in Package 2 2
Package 2 Height 30 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 9.001 kg
Unit Type of Package 3 P06
Number of Units in Package 3 24
Package 3 Height 105 cm
Package 3 Width 60 cm
Package 3 Length 80 cm
Package 3 Weight 116.512 kg

Main documents

Main documents

Datasheet Download Datasheet
Product datasheet Download
Instruction sheet
Download
Catalogue Download
Environmental disclosure Download
CAD Files Download

Main documents

Datasheet Download Datasheet
Product datasheet Download
Instruction sheet
Download
Catalogue Download
Environmental disclosure Download
CAD Files Download

Reviews (0)

Be the first to review “Schneider G40N3A400 | Circuit breaker, GoPact MCCB 400, 3 poles, 50kA at 415VAC, 400A rating, TMD trip unit, adjustable thermal protection”

Your email address will not be published. Required fields are marked *

Reviews

There are no reviews yet.

Product was successfully added to your cart!

Select at least 2 products
to compare