3VJ1340-3EB42-0AA0 | MCCB 400 A, 4 Pole, 25 kA, Adjustable O/L & Fixed S/C Settings, Thermal Magnetic Trip Unit (ATFM) – Siemens

The 3VJ1340-3EB42-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) manufactured by Siemens. Designed for robust electrical protection, this MCCB is ideal for industrial and commercial applications where reliable circuit protection is essential.

Key Features:

• Rated Current: 400 A
• Number of Poles: 4 Pole
• Breaking Capacity: 25 kA
• Trip Unit: Thermal Magnetic Trip Unit (ATFM)
• Overload Protection: Adjustable Overload (O/L) Settings
• Short-Circuit Protection: Fixed Short-Circuit (S/C) Settings

Applications:

This MCCB is suitable for a wide range of applications, including:

• Industrial power distribution systems
• Commercial building electrical systems
• Motor protection circuits
• Generator protection
• Main and sub-distribution panels

Technical Specifications:

• Rated Voltage: Up to 690 V AC
• Frequency: 50/60 Hz
• Mounting: Fixed or Plug-in
• Standards Compliance: IEC 60947-2, IEC 60947-4-1
• Environmental Conditions: Suitable for operation in temperatures ranging from -25°C to +70°C

Benefits:

• Provides reliable protection against overloads and short circuits
• Adjustable overload settings for customized protection
• Compact design for space-saving installation
• Durable construction for long service life
• Easy to install and maintain

Additional Information:

The 3VJ1340-3EB42-0AA0 is part of Siemens’ comprehensive range of circuit protection devices, known for their high quality and reliability. It is designed to ensure the safety and efficiency of electrical systems, making it a trusted choice for engineers and contractors worldwide.