5SJ4106-7HG40 - C-Curve, 1P 6A DIN Rail Circuit Breaker

5SJ4106-7HG40 -  C-Curve, 1P 6A DIN Rail Circuit Breaker

When it comes to protecting your electrical system, you don’t want guesswork—you want proven performance. The Siemens 5SJ4106-7HG40 miniature circuit breaker is built for exactly that. Designed as part of Siemens’ trusted SENTRON 5SJ4 line, this 1-pole, 6-amp circuit breaker delivers precise, dependable protection for low-current applications across commercial and industrial environments. With a powerful 14kA interrupting Capacity, it reacts quickly to overloads and short circuits—helping you avoid equipment damage, costly downtime, and unnecessary headaches. What makes this breaker stand out is its balance of performance and practicality. The C-trip curve handles moderate inrush currents with ease, making it a smart choice for lighting systems and small motors. Its compact footprint saves valuable panel space, while the DIN rail mounting keeps installation quick and straightforward. Built to meet UL 489 and IEC standards, this Siemens circuit breaker gives you the confidence that your system is protected by a component engineered for consistency, safety, and long-term reliability.

Key Features and Benefits

• High Interrupting Capacity (14kA): Helps protect equipment from damaging fault currents
• C Curve Trip Characteristic: Handles moderate inrush currents without nuisance tripping
• Compact 1-Pole Design: Maximizes panel space without sacrificing performance
• 6 Amp Rating: Ideal for precise protection of low-load circuits
• DIN Rail Mountable: Simplifies installation and maintenance
• Long Service Life: Rated for up to 10,000 mechanical operations
• Touch Protection & Sealable Design: Adds an extra layer of safety and control
• Standards-Compliant: Meets UL 489 and IEC requirements for dependable operation

Technical Specifications

• Catalog Number: 5SJ4106-7HG40
  
• Brand / Series: Siemens SENTRON 5SJ4
  
• Number of Poles: 1 Pole
  
• Current Rating: 6 Amps
  
• Voltage Rating:120/240V AC (UL)
  400V AC (IEC)
  60V DC
  
• Interrupting Capacity:14kA (UL 1077)
  10kA (EN 60898)
  15kA (IEC 60947-2)
  
• Trip Curve: Type C
  
• Frequency: 50 Hz
  
• Mounting: Standard DIN rail
  
• Dimensions (HxWxD): 90 mm x 18 mm x 70 mm
  
• Operating Temperature Range: -25°C to +55°C
  
• Terminal Capacity: 0.75 mm² to 25 mm² conductors
  
• Tightening Torque: 3.5 N·m
  

Material Compliance and Certifications

• Standards Compliance: UL 489, IEC 60947-2, EN 60898
• RoHS Compliant: Yes (since 2006)
• REACH Compliant: Yes (SCIP registered)
• WEEE Directive: Meets take-back obligations (2012/19/EU)
• Halogen-Free Construction: Yes
• Country of Origin: Germany

Where It Works Best

• Commercial buildings need reliable branch circuit protection
• Industrial control panels and automation systems
• OEM equipment with low-amperage circuit requirements
• Infrastructure and facility electrical distribution setups
• Lighting circuits with moderate inrush current
• Small motor protection and control circuits
• General-purpose electrical panels and distribution boards