3VA1112-4GD42-0AA0 | MCCB 125 A, 4 Pole, 36 kA, Fixed O/L & Fixed S/C Settings, Thermal Magnetic Trip Unit (FTFM) – Siemens

The 3VA1112-4GD42-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) from Siemens, designed for reliable and efficient electrical protection in industrial and commercial applications. This MCCB is part of the Siemens 3VA series, known for its robust construction and advanced safety features.

Key Features:

• Rated Current: 125 A
• Number of Poles: 4 Pole
• Breaking Capacity: 36 kA
• Trip Unit: Thermal Magnetic Trip Unit (FTFM)
• Overload (O/L) Settings: Fixed
• Short-Circuit (S/C) Settings: Fixed
• Mounting Type: Fixed

Applications:

This MCCB is ideal for use in a wide range of applications, including:

• Industrial control panels
• Commercial buildings
• Power distribution systems
• Motor protection circuits

Technical Specifications:

• Rated Voltage: Up to 690 V AC
• Frequency: 50/60 Hz
• Standards Compliance: IEC 60947-2, IEC 60947-4-1
• Operating Temperature: -25°C to +70°C
• Storage Temperature: -40°C to +85°C
• Protection Degree: IP20 (when installed in a suitable enclosure)

Advantages:

• High breaking capacity ensures reliable protection against short circuits and overloads.
• Fixed settings for overload and short-circuit protection simplify installation and operation.
• Thermal magnetic trip unit provides precise and reliable tripping characteristics.
• Compact design saves space in electrical panels.
• Durable construction ensures long service life even in demanding environments.

Additional Information:

For more detailed technical information, installation guidelines, and safety instructions, please refer to the official Siemens product documentation or contact Siemens technical support.