3RU1126-4DBO

Overview of Siemens 3RU1126-4DB0

Shop genuine Siemens 3RU1126-4DB0 overload relay today for your automation system. This industrial-grade thermal magnetic overload relay is designed for reliable motor protection in demanding environments. The Siemens 3RU1126-4DB0 is widely recognized for its robust construction, precise tripping characteristics, and compatibility with S0-size contactors. Whether you're upgrading an existing panel or building a new control system, this relay ensures safe and efficient operation. Its adjustable range of 20–25 amps makes it suitable for a variety of three-phase motor applications. With both automatic and manual reset options, the 3RU1126-4DB0 offers flexibility and ease of maintenance. Trusted by engineers and technicians worldwide, this relay is a cornerstone of industrial automation setups.

Key Features of Siemens 3RU1126-4DB0

• Adjustable current range: 20–25 amps for versatile motor protection
• Class 10 tripping characteristic for fast and reliable response
• Automatic and manual reset options for operational flexibility
• Screw terminal connections for secure wiring in main and auxiliary circuits
• Designed for S0-size contactors (3RT1023, 3RT1024, 3RT1025, 3RT1026)
• IEC rated for use in industrial three-phase motor protection
• Compact design for easy integration into control panels
• Factory-tested for durability and long service life

Technical Specs of 3RU1126-4DB0

Explore 3RU1126-4DB0 specifications for detailed parameters before installation.

Applications / Use Case

This Siemens 3RU1126-4DB0 is commonly used in industrial automation worldwide. It is ideal for protecting three-phase motors in factory control panels, production line systems, and packaging and conveyor operations. Its robust design and reliable tripping characteristics make it a preferred choice for engineers seeking dependable motor protection in harsh environments. Whether you're maintaining legacy equipment or integrating new automation solutions, the 3RU1126-4DB0 delivers consistent performance and peace of mind.

Price & Availability

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